Probably a stupid question but...

[faustlim]

What is the minimum cpu speed to run games on PPSSPP emulator at a reasonable frame rate of 50-60fps

Thanks in advance

[supaman]

You cant really answer this question since This depends on many things like
- GPU
- optimization of code
- RAM
- the game that you are running
As this emulator develops it will rely less on the CPU, the more the code is optimised the faster the emulator is gonna run, its just that when something has powerful hardware it doesn't need all these optimizations and runs well without it.
Hope I helped

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If you have a game in mind tell me what it is and what device you are using and I may be able to predict it for you

[solarmystic]

@supaman gave a good answer already, but let's give the OP a rough ballpark eh?

OP, I can only answer for the PC, since I do all my testing on the PC and in Windows.

It's safe to say since PPSSPP aims to run on the much, much more weaker mobile devices using ARM CPUs, the minimum requirements on the CPU/GPU are rather low, since PCs are of a magnitude faster than ARM devices.

Forum users have reported being able to run games with reasonable framerates on a Pentium 4 machine, and on a P4 era Celeron D machine.

But to be on the safe side, I'd reckon anything anything newer than a Core 2 Duo/AMD equivalent era machine will run games at 60FPS+, granted that you also have a dedicated graphics card that supports Open GL ES 2.0.

Heck, with my specs in sig (old Core 2 machine from 2008/09), I've only encountered 3 games from the many I've tested that cannot run at 60 VPS consistently:-

1. Tekken 6 (40-55 VPS)
2. God of War: Ghosts of Sparta
3. God of War: Chains of Olympus

All 3 games have CPU/GPU optimization issues in PPSSPP at the moment, and run infinitely worse on mobile Android devices, especially without frameskip. Both GoW games render their scenes more times than is necessary, which results in horrible performance. Any decent Core i5/i7 rig will blast through those games anyway due to brute force processing.

The rest that are playable run pretty damn good, reaching stupidly high levels of VPS (hundreds) when the framelimiter is OFF.