Database Users

Tegra 2 overclocking?

Any info out there about this baby overclocked? Will standard overclocking tools work or does new software need to be devloped?

To overclock the cpu I think you'd need a custom kernel that allows it first. But if the bootloader is locked then custom kernels can't be flashed.
You won't have to worry about performance issues with tegra 2 for while though .

As if you needed to run Crysis on it?

Tough crowd this morning!
This site is here for getting the most out of devices. Rooting and removing bloatware increases performance. Customized ROMS increase perfomance and user experience. I merely asked about another tool for optimizing a device.

bee55 said:
To overclock the cpu I think you'd need a custom kernel that allows it first. But if the bootloader is locked then custom kernels can't be flashed.
You won't have to worry about performance issues with tegra 2 for while though .
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Haha,don't underestimate the people who hang out at XDA and other dev sites, we find ways to work these phones to the bone. I know for myself I will have probably 100 apps downloaded and installed in the first 24 hours, and will be testing its limits.

You have the best cpu in a phone ever and you want to over clock. Wow. Why?
Sent from my SAMSUNG-SGH-I897 using Tapatalk

snapdragon was the best @ one time and most roms had overclock built in!

Snapdragon is the worst CPU for 1ghz. Even the TI OMAP is better than Qualcomm. The main reason wont buy anymore HTC phones is because of Qualcomm and there ****ty performance in phone in comparison to Samsung, TI, and now Nvidia.
Recon Freak said:
snapdragon was the best @ one time and most roms had overclock built in!
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Click to collapse
Sent from my SAMSUNG-SGH-I897 using Tapatalk

Hence why he said 'at one time'.
Sent from my SGH-I897 using XDA App

AllTheWay said:
Snapdragon is the worst CPU for 1ghz. Even the TI OMAP is better than Qualcomm. The main reason wont buy anymore HTC phones is because of Qualcomm and there ****ty performance in phone in comparison to Samsung, TI, and now Nvidia.
Sent from my SAMSUNG-SGH-I897 using Tapatalk
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Click to collapse
Snapdragon is far from being the worst CPU, clock for clock. First of all, Snapdragon is not a CPU, is a SoC (System on a Chip), and the CPU core inside Snapdragon is called Scorpion. Scorpion is neither a standard ARM Cortex A8 nor A9 core unlike the CPU core inside the Hummingbird/TI OMAP/Nvidia Tegra. But it can be thought of as among the same class as Cortex A8 CPUs. The Scorpion has some big advantage over standard Cortex A8 core in some areas (e.g. floating point). The reason why many found the first generation (in Nexus One and HTC Desire) to be "slow" was that they look only at composite benchmark like Quadrant and/or 3D games. The first generation of Snapdragon has a rather dated GPU (Adreno 200) in it, and Adreno 200's 3D performance is honestly, bad. The second generation Snapdragon (Desire Z/G2, Desire HD) uses a much faster GPU, Adreno 205, making the Snapdragon 3D performance on par with Hummingbird and other current generation SoC.
So before you go again saying Snapdragon is the slowest "CPU", go do some reading, and think, before saying. Here is some good reading for you:
http://www.anandtech.com/show/4144/...gra-2-review-the-first-dual-core-smartphone/4
http://www.anandtech.com/show/4165/the-motorola-atrix-4g-preview/5

AllTheWay said:
Snapdragon is the worst CPU for 1ghz. Even the TI OMAP is better than Qualcomm. The main reason wont buy anymore HTC phones is because of Qualcomm and there ****ty performance in phone in comparison to Samsung, TI, and now Nvidia.
Sent from my SAMSUNG-SGH-I897 using Tapatalk
Click to expand...
Click to collapse
if you blindly trust benchmarks the Scorpion CPU in the 2nd gen snapdragons are quite fast... my G2 benchmarks at...
Quadrant: 2,700ish
Linpack: 52.69
Sunspider:2,257
Neocore:57
infact, all of those benchmarks either match, or surpass the Atrix 4G.

No problems here with my snapdragon 1Ghz. linpacks constant 42+

Now that the phone is rooted can we use setCPU to underclock it so to save battery.
Or does setcpu not support dual core.
Also is what I said above true. if we have root we can underclock without putting custom kernels.

The nvidia tegra 2 kernel does not have a simple method to modify the CPU freq table. The dev working on the gtablet kernel would be a good resource to ask, his name is Pershoot. From my understanding he would have to backport the original ARM scaling which is not trivial in the least.
Maybe someone can figure out another way.

tsekh501 said:
As if you needed to run Crysis on it?
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Actually yeah, and who wouldn't? That's probably enough to get you instantly laid in some countries.

Arkasai said:
Actually yeah, and who wouldn't? That's probably enough to get you instantly laid in some countries.
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Serious bragging rights right there.
Guy 1: "Damnit, I just got Crysis 2, and I can't even run Crysis 1 on my computer."
Guy 2: "Yeah well I can run it on my cell phone...look."
Guy 1's Girlfriend: "Take me, now, Guy 2!."
You get the picture.
Sorry to go off-topic there. But I do have a question. Isn't the Tegra 2 ARM9 based? And there's nothing wrong with wanting to push a device to it's limits. Overclocking is fun.

dandmcd said:
Haha,don't underestimate the people who hang out at XDA and other dev sites, we find ways to work these phones to the bone. I know for myself I will have probably 100 apps downloaded and installed in the first 24 hours, and will be testing its limits.
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lol same here. I have about 45 installed on my Galaxy Tab and all of them will be installed on the Atrix immediately and tested. I plan on testing every single game I can find on the market lol biggest being Dungeon Defenders for now...runs a bit slow on the Galaxy Tab and I've heard on Tegra2 it runs *GREAT*.

AllTheWay said:
You have the best cpu in a phone ever and you want to over clock. Wow. Why?
Sent from my SAMSUNG-SGH-I897 using Tapatalk
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Click to collapse
Because you can make it better. Why settle for less? My captivate is fast and does everything I need it to do at 1ghz but I have it at 1.3 now; and under volted.
Why? Because it is better.
Captivate 2.2.1 Paragon

Is there a simple way to backup all the apps installed on my phone so I can just dump them instantly into a new phone? Preferably without having to hit "install" for every app on the market.

wow, its a dual core processor and you want OC... ugh, get out... lol

[Q] GPU overclocking?

is there any work being done on being able to overclock gpu?, being a gaming orientated phone it seems the obvious thing to try, I've had a look and been unable to find anything about it. gpu overclocks on mobile devices are rather massive from what ive seen thus far.
or has any work for doing this on phones with the same chipset been completed that we could work off in the future?
cheers

Mael5trom said:
is there any work being done on being able to overclock gpu?, being a gaming orientated phone it seems the obvious thing to try, I've had a look and been unable to find anything about it. gpu overclocks on mobile devices are rather massive from what ive seen thus far.
or has any work for doing this on phones with the same chipset been completed that we could work off in the future?
cheers
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Click to collapse
Adreno is part of the scorpion chipset, it's not a dedicated GPU and thus cannot be overclocked independently, obviously overclocking the CPU will help somewhat, with games, but only on performance not graphics

Ah, unfortunate limitation on this chipset, yep cpu overclocking looks like the way, thanks for the reply.

CPU/Processor Showdown - HTC One vs Galaxy S4

Which processow will be better, Exynos 5 Octa or A simple Snapdragon 600 quad?
In my POV, Octa will be useless since it will be a battery hog and no apps really use that much cores and power. The S600 will be more efficient for day-to-day use since it consumes less power and will actually be used.
-.-.-.-.-.-.-.-.-
Sent from a dark and unknown place
Galaxy Tab 2 7.0 P3100

I thought the s4 had the same processor as the One, but it was clocked to 1.9? I could be wrong. I wasn't really paying attention.
Sent from my HTC One using Tapatalk 2

I'd imagine this thread will get closed.
In the meantime, read this thread and then make a judgement because the "it uses more power so it sucks" mentality is just simply incorrect.
[Info] Exynos Octa and why you need to stop the drama about the 8 cores
AndreiLux said:
Misconception #1: Samsung didn't design this, ARM did. This is not some stupid marketing gimmick.
Misconception #2: You DON'T need to have all 8 cores online, actually, only maximum 4 cores will ever be online at the same time.
Misconception #3: If the workload is thread-light, just as we did hot-plugging on previous CPUs, big.LITTLE pairs will simply remain offline under such light loads. There is no wasted power with power-gating.
Misconception #4: As mentioned, each pair can switch independently of other pairs. It's not he whole cluster who switches between A15 and A7 cores. You can have only a single A15 online, together with two A7's, while the fourth pair is completely offline.
Misconception #5: The two clusters have their own frequency planes. This means A15 cores all run on one frequency while the A7 cores can be running on another. However, inside of the frequency planes, all cores run at the same frequency, meaning there is only one frequency for all cores of a type at a time.
Click to expand...
Click to collapse
Addition: I am not a Samsung fanboy by any means, however, the amount of incorrect information floating around about both of these flagships is starting to get annoying.
2nd addition: Read this as well, the big.LITTLE technology being used in the Octa is pretty amazing: big.LITTLE Processing

I hope that the overclocking or higher clock rate doesn't produce Moment-esque results.

Alsybub said:
I thought the s4 had the same processor as the One, but it was clocked to 1.9? I could be wrong. I wasn't really paying attention.
Sent from my HTC One using Tapatalk 2
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In the US that is true, they are both S600's, with the S4 having a .2ghz higher clockspeed. Many of the other S4's will have the Octa Exynos chip.

crawlgsx said:
In the US that is true, they are both S600's, with the S4 having a .2ghz higher clockspeed. Many of the other S4's will have the Octa Exynos chip.
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Ah. I see. Different hardware for different regions. Like the One X.
Even though it's eight cores it is probably complete overkill. Yet another bigger number to put on marketing. How many apps will actually use that? How many apps use four cores at the moment?
There have been some articles about multiple cores being more for point of sale than for the end user. Even if you're signing up for a contract right now I doubt that much would be making use of it in two years time. So, the future proofing argument is moot.
It'll be interesting to see. Of course the galaxy builds of Android will use the cores. With things like the stay awake feature and pip it is useful. Outside of the OS I can't see it being necessary.
Sent from my Transformer Prime TF201 using Tapatalk HD

The "octa" core processor is complete bullsh*t. Imo, 2/4 cores are perfectly fine as long as they optimize it and perfect the hardware, why stack 8 cores when only 4 work at one time and no app will use all that power.
They should've focused on design to make it look less like a toy phone and use better finish, instead.
Oh the marketing..
Not HTC or whatever fanboy, just stating my opinion.

rotchcrocket04 said:
I'd imagine this thread will get closed.
In the meantime, read this thread and then make a judgement because the "it uses more power so it sucks" mentality is just simply incorrect.
[Info] Exynos Octa and why you need to stop the drama about the 8 cores
Addition: I am not a Samsung fanboy by any means, however, the amount of incorrect information floating around about both of these flagships is starting to get annoying.
2nd addition: Read this as well, the big.LITTLE technology being used in the Octa is pretty amazing: big.LITTLE Processing
Click to expand...
Click to collapse
Very good read, thanks for taking the time to post it. Surprised no-one has mentioned that we need this in our Ones. Would certainly help with the battery.

Saying its a 8 core cpu is marketing simply put.
Like it has been said only 4 out of 8 cores will only ever be enabled at once max.
The GPU on the Octa might be better then the Adreno 320 but its have to wait for benchmarks.

Nekromantik said:
Saying its a 8 core cpu is marketing simply put.
Like it has been said only 4 out of 8 cores will only ever be enabled at once max.
The GPU on the Octa might be better then the Adreno 320 but its have to wait for benchmarks.
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Benchmarks show adreno320 keeps up nicely. You won't see any real world differences besides a slightly lower benchmark score
http://forum.xda-developers.com/showthread.php?t=2191834
Sent from my ADR6425LVW using xda app-developers app

Squirrel1620 said:
Benchmarks show adreno320 keeps up nicely. You won't see any real world differences besides a slightly lower benchmark score
http://forum.xda-developers.com/showthread.php?t=2191834
Sent from my ADR6425LVW using xda app-developers app
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Those are from the S600 version.
Higher clock speed and Android 4.2 will mean its slightly ahead.
No benchmarks from the Octa version yet.

Nekromantik said:
Those are from the S600 version.
Higher clock speed and Android 4.2 will mean its slightly ahead.
No benchmarks from the Octa version yet.
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Click to collapse
I'll just stick with the one and wait for the 4.2 update. By then we should have custom kernels to overclock ourselves
Sent from my ADR6425LVW using xda app-developers app

Here you go

Nekromantik said:
Saying its a 8 core cpu is marketing simply put.
Like it has been said only 4 out of 8 cores will only ever be enabled at once max.
The GPU on the Octa might be better then the Adreno 320 but its have to wait for benchmarks.
Click to expand...
Click to collapse
"Octa" is not gimmicky or for marketing.
Octa is the name of the SoC, and how it was named is nothing wrong
There are 3 implementations can be used, and one with maximum 8 cores running at the same time.
GS4 doesn't use that impletations, but it does not mean the SoC cannot be "Octa". You have a house with 8 rooms but you know to open or you wanna open 4 rooms only, the house is still an 8-room house.

hung2900 said:
"Octa" is not gimmicky or for marketing.
Octa is the name of the SoC, and how it was named is nothing wrong
There are 3 implementations can be used, and one with maximum 8 cores running at the same time.
GS4 doesn't use that impletations, but it does not mean the SoC cannot be "Octa". You have a house with 8 rooms but you know to open or you wanna open 4 rooms only, the house is still an 8-room house.
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Click to collapse
How do you know all 8 can run at the same time? Has Samsung demonstrated that already? Any links?
Also what would be the speed if all 8 are running at the same time?
Also did you see that an Intel dual core @2GHz beat the Exynos Octa in benchmarks!!! So all 8 cores running at slower speed might not be very good actually. It might even slow down things even more...
We recently demonstrated a dual core running at 3GHz at MWC in Barcelona. That chip was able to load games at crazy speeds. A game that took 15s to load on existing Exynos Quad core was loading in just 6s with our chip!

joslicx said:
We recently demonstrated a dual core running at 3GHz at MWC in Barcelona. That chip was able to load games at crazy speeds. A game that took 15s to load on existing Exynos Quad core was loading in just 6s with our chip!
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. And used 3 times the energy to do it... Was that tested at all?

backfromthestorm said:
. And used 3 times the energy to do it... Was that tested at all?
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Its all about bragging rights really. Same as Samsung is doing with regards to Octa.
The the chip that could run at 3GHz could also very well run at 1GHz at just 0.6V (so consuming far lesser power than anything else in the market). A dual core at 1GHz is still good enough for all mundane tasks like playing videos or internet browsing etc. So in practice it would have been a very efficient solution. It was a real innovation really. Sadly the company did not have money to pour more funds into the program and has shut it.
It was demonstrated at Mobile World Congress in Barcelona in february this year.
Anyway point is, we did not need extra set of power efficient cores like Samsung is doing. We ran the same cores that could do crazy high speeds and even crazier power efficient mode! Thats a very neat solution.
Heres a press link: http://www.itproportal.com/2013/02/25/mwc-2013-exclusive-dual-core-st-ericsson-novathor-l8580-soc-crushes-competition-benchmarks/
To quote the article:
A continuous running test monitored by an infra-red reader showed that the 3GHz prototype smartphone remained cooler as it uses less energy and in some scenarios, it could add up to five hours battery life in a normal usage scenario
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hung2900 said:
"Octa" is not gimmicky or for marketing.
Octa is the name of the SoC, and how it was named is nothing wrong
There are 3 implementations can be used, and one with maximum 8 cores running at the same time.
GS4 doesn't use that impletations, but it does not mean the SoC cannot be "Octa". You have a house with 8 rooms but you know to open or you wanna open 4 rooms only, the house is still an 8-room house.
Click to expand...
Click to collapse
Actually, no. At least not in my opinion. Octacore means 8 cpu cores on one cpu-chip.
I would see it like this:
You have 2 houses on your lawn which are beside each other. Every house has 4 rooms. You have to switch houses to open up the rooms. Just like the Exynos "Octa" has to, since it cannot run both CPU's at the same time.
If you are in a house with 8 rooms, you cannot simply be in all 8 rooms at once. You can connect the open doors between all the rooms, and since your in that house, you can freely walk in every room. But not with that implementation.
I wouldn't call the Exynos "Octa" an Octacore, its a dual CPU system with a 2x4 cores, with the difference that regular desktop dual CPU systems can use both CPU units at once, but not like the Exynos "Octa". Still, dual quad system comes closer than a pure octacore system.
This is kind of a hybrid. Nice technology for a mobile device, but at the same time, kind of unneeded / inefficient, compared to regular quadcore systems. Even the Tegra 3 system with 4 active cores and 1 companion core for standby tasks seems more efficient (in terms of "used space" and ressources).
Ah well let's see how the supposed and so called "octacore" will score in the future...

processor differences
okay I know both processor are snapdragon 600's but why is the galaxy S4's processor clocked at 1.9 ghz and the HTC One's processor is clocked at 1.7 ghz is it just an instance of samsung overclocking the s600 or are they different variations of the same processor, I have done some research and am able to find no clear answer to this question even on the snapdragon website????????

dawg00201 said:
okay I know both processor are snapdragon 600's but why is the galaxy S4's processor clocked at 1.9 ghz and the HTC One's processor is clocked at 1.7 ghz is it just an instance of samsung overclocking the s600 or are they different variations of the same processor, I have done some research and am able to find no clear answer to this question even on the snapdragon website????????
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Click to collapse
They should be identical. I think its just a manufacturer choice. But it could also be associated to termals or battery.
Cause Samsung took the higher frequency chips, there is the possibility that they also get the "better" chips: Lower Voltage for the same frequency. But thats just an assumption.

[Discussion] I9500 CPU Tweaking

As you all know, S4 I9500 comes with a pair of 4 cores that can't run at the same time (as of now). When not on heavy duty, the four A7 1.2GHz cores are used, and that can sometimes be too slow for me. So I am using SetCPU to lock the frequency to 1.6GHz, but SetCPU hasn't been updated/optimized for the S4, as it only identifies the four A15 1.6GHz cores. Therefore I do not know what exactly it is doing, is it overriding Samsung's way of switching between CPU sets, or is it working at all? Any suggestions on tweaking the I9500 CPU? Please tell me if you know any CPU apps compatible with it.

iHackMyMI said:
As you all know, S4 I9500 comes with a pair of 4 cores that can't run at the same time (as of now). When not on heavy duty, the four A7 1.2GHz cores are used, and that can sometimes be too slow for me. So I am using SetCPU to lock the frequency to 1.6GHz, but SetCPU hasn't been updated/optimized for the S4, as it only identifies the four A15 1.6GHz cores. Therefore I do not know what exactly it is doing, is it overriding Samsung's way of switching between CPU sets, or is it working at all? Any suggestions on tweaking the I9500 CPU? Please tell me if you know any CPU apps compatible with it.
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Click to collapse
Locking the A15 chips on all the time would be a mistake. They use more power than the A7 cores, so battery would take a punch! I feel they handel the switch over pretty well, although CPUspy tells me that i've only used 1.6ghz for a few seconds over the course of a day. Although i've not run games or anything intensive.

hamdogg said:
Locking the A15 chips on all the time would be a mistake. They use more power than the A7 cores, so battery would take a punch! I feel they handel the switch over pretty well, although CPUspy tells me that i've only used 1.6ghz for a few seconds over the course of a day. Although i've not run games or anything intensive.
Click to expand...
Click to collapse
Thank you for your reply. My point is that we are relatively oblivious about what's going on with the cores since no software is specifically compatible with monitoring/configuring the chipset. The thing is, a lot of apps run very laggy and have low frame rates on S4, force GPU rendering fixes most of the problem, but the crackyness of flipping through eBook reader apps are unbearable. I hope in the future there will be apps/roms that can take control of this CPU with great potential.

iHackMyMI said:
Thank you for your reply. My point is that we are relatively oblivious about what's going on with the cores since no software is specifically compatible with monitoring/configuring the chipset. The thing is, a lot of apps run very laggy and have low frame rates on S4, force GPU rendering fixes most of the problem, but the crackyness of flipping through eBook reader apps are unbearable. I hope in the future there will be apps/roms that can take control of this CPU with great potential.
Click to expand...
Click to collapse
There are no compatibility issues, all CPU related apps work perfectly.
I've made topics explaining this over a month ago before the phone was even released. Everything beyond 600MHz are the big cores, everything at and below are the little ones. The little ones are mapped at a virtual frequency at half of the real clock, so 600 means 1200.
There's nothing more to it than that.

AndreiLux said:
There are no compatibility issues, all CPU related apps work perfectly.
I've made topics explaining this over a month ago before the phone was even released. Everything beyond 600MHz are the big cores, everything at and below are the little ones. The little ones are mapped at a virtual frequency at half of the real clock, so 600 means 1200.
There's nothing more to it than that.
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Click to collapse
OMG thank you! That was very helpful

iHackMyMI said:
OMG thank you! That was very helpful
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Click to collapse
like andreilux said what you have to do is set the minimum frequency above 600(if you still need it ) so that a15 cores will be on all the time. If in case you switch on the a15 cores all the time do let us know about the avg battery drain.

My ze551kl Asus zenfone 2 laser's octa core isn't working correctly..

So as you can see by these screenshots only 4 of my eight cores are working.. Is there any way to fix this??
(Here's the album i mgur. c 0 m/ a /2FWDH
Any help would be extremely appreciated..

gyropepsi said:
So as you can see by these screenshots only 4 of my eight cores are working.. Is there any way to fix this??
(Here's the album i mgur. c 0 m/ a /2FWDH
Any help would be extremely appreciated..
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What makes you think that only 4 cores are working?
I don't know in the Android world, but in PCs the applications must be written expressly to use more than one core. And the SD 615 has 4 cores that runs at 1.7 MHz max and the other 4 at 1.0 MHz max, but the frequencies could be lowered by phone makers to increase battery duration.

BubuXP said:
What makes you think that only 4 cores are working?
I don't know in the Android world, but in PCs the applications must be written expressly to use more than one core. And the SD 615 has 4 cores that runs at 1.7 MHz max and the other 4 at 1.0 MHz max, but the frequencies could be lowered by phone makers to increase battery duration.
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Yeah but I had my phone on performance mode and it's using half of the cores, if the other 4 max at 1.0mhz then why are all games that I play (3D Wise) are slow? Is there any way I could fix it? Could overclocking via CPU managing apps (using root,) work in my situation?

gyropepsi said:
Yeah but I had my phone on performance mode and it's using half of the cores, if the other 4 max at 1.0mhz then why are all games that I play (3D Wise) are slow? Is there any way I could fix it? Could overclocking via CPU managing apps (using root,) work in my situation?
Click to expand...
Click to collapse
Four cores are high-performance, and four cores are low-power. The performance cores suck up a lot of battery, so not for use with background tasks. The low-power cores are useless for pretty much anything but background tasks, so they're not for use with gaming, etc. The fact that your apps are only using four cores is normal.
Also, as for your gaming performance, I've actually done some testing on this and it turns out that on the ZE551KL, the GPU is way underpowered. No amount of overclocking can fix the abysmal GPU performance on the ZE551KL. This doesn't seem to happen on other models, either, so... yeah.

@gyropepsi: yes, that's correct, the eight cores are not "equal". You have four cores for general CPU use and another four for higher CPU use. They cannot be used in the same time, they get switched to save power. It's actually called "dual quad-core".
https://www.qualcomm.com/documents/snapdragon-615-processor-product-brief
Other manufacturers have one core for low processing and four for high processing. Those phones are doing great in tests but they really suck in daily usage.
@sensi277: I would't say abysmal performance, but yes, it seems to be lower than the Selfie in some tests. However it moves VERY good for a phone, 3D tests on phones are just for kids, to brag about their phones. Nobody does real gaming on a phone.

SoNic67 said:
@sensi277: I would't say abysmal performance, but yes, it seems to be lower than the Selfie in some tests. However it moves VERY good for a phone, 3D tests on phones are just for kids, to brag about their phones. Nobody does real gaming on a phone.
Click to expand...
Click to collapse
?
Except, I do real gaming on my phone. Or at least, I try to. Laser GPU holds back most games, though.

Why? You don't have a laptop, desktop? Phone gaming experience is horrid no matter what. No good controls, no immersion...
Sent from my ASUS_Z00TD using Tapatalk

Here is some info about big.LITTLE processing:
https://www.arm.com/products/processors/technologies/biglittleprocessing.php
Sent from my ASUS_Z00TD using XDA-Developers mobile app