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Performance issue on ZenFone 2
06-10-2015, 05:30 AM (This post was last modified: 06-10-2015 05:40 AM by Livy..)
Post: #1
Performance issue on ZenFone 2
I've bought an Asus ZenFone 2 ZE551ML (highest model). The specs are good:
  • Intel Atom Z3580 (4 cores, 500 - 2333 Mhz)
  • PowerVR Rogue G6430 (457 - ??? Mhz)
  • 4 GiB LPDDR3 SDRAM (does not matter)
  • 1920x1080 display @ 60 Hz (does not matter)

I have no serious plan of playing PSP games until I get a gamepad. However it does not hurt trying things out. I have performance issue in all games. In God of War games, the framerate ranges from 15 to 20/60 FPS (native res). And in lightweight games such as The 3rd Birthday, the framerate drops below full speed when internal resolution is set to above 2x.

This phone is probably more powerful than my current 5 year old laptop (Phenom 2 X4 @ 2.0 Ghz, AMD Radeon HD 4570M). I've played all these games on my laptop without any major problem. GoW games did slow down a bit due to my crappy GPU, but it is still playable. The 3rd Birthday ran at full speed at 3x internal res.

I even tried to reset PPSSPP settings to default (1x internal res, 2x display res). The phone battery mode is set to High Performance, still to no avail. What should be the cause of the problem? Huh

Edit: PPSSPP version is 1.0.1, downloaded from Android Market. And I did not do smart things like turning JIT off, setting the resolution to 3840x2160 or something similar.
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06-11-2015, 04:03 AM
Post: #2
RE: Performance issue on ZenFone 2
3rd Birthday isn't entirely "lightweight". It does an effect most of the time that is fairly expensive especially on mobile GPUs. I wouldn't be shocked if PowerVR liked it even less.

The latest git build may run better but probably not significantly.

-[Unknown]
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06-11-2015, 03:07 PM
Post: #3
RE: Performance issue on ZenFone 2
So, is it because of GPU limitation? The PowerVR G6430 is more powerful than the Adreno 330. Yet it is unable to run GoW games at half speed. Does it happen on other devices with equivalent GPU as well?
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06-11-2015, 04:37 PM (This post was last modified: 06-11-2015 04:38 PM by fivefeet8.)
Post: #4
RE: Performance issue on ZenFone 2
(06-11-2015 03:07 PM)Livy. Wrote:  So, is it because of GPU limitation? The PowerVR G6430 is more powerful than the Adreno 330. Yet it is unable to run GoW games at half speed. Does it happen on other devices with equivalent GPU as well?

GoW doesn't run well on Adreno gpu's either. At least not without moderate frame skipping enabled.
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06-12-2015, 04:03 AM
Post: #5
RE: Performance issue on ZenFone 2
I don't think any mobile device except the Nexus 9 can run God of War at full speed. My desktop can barely run it at full speed (I have an ivy i7 3.4 ghz + 9800 GT.)

-[Unknown]
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