• Competitor rules

    Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.

PPU more then 100% faster then CPU in UT3 benchmark here.

“And an LCD with a refresh rate at 60hz can show more than 60fps. If you put it at vsync, then it cant.”
No it cannot. It drops the extra fps without vsync. The counter says 100fps but it’s really showing 60fps. That’s why you get tearing. It renders half a frame or less, drops the rest of the frame and renders another half to fit the extra FPS into 60.

60hrz means the screen is updated 60 times a second. If you get 60 updates a second your limited to displaying 60fps.

I can do better then give you a source I can give you a program so you can run your own blind tests.

http://forums.gameon.co.uk/showthread.php?t=9989
Top post download fpscmp02.zip

Download the above program and set half the screen to 30fps, half to 60fps cover up the FPS number then ask someone outside the room to come in and look at the screen and say which is smoothest. Every time I did it 90%+ of the time they choose 60fps which proves the eye can see more then 30fps. Most other people who run the same test get the same resuilts .

If your refresh is 100hz do 60 and 100. No real point unless you refresh goes that high. But still with a blind test most people pick out 100 from 60.

http://amo.net/NT/02-21-01FPS.html more info

EDIT:
Most people who cannot see over 60fps are the ones who have display set to 60hz. Its pretty neat to see 200fps v 100fps but few people have displays that have 200hz.
 
Last edited:
“All that and still only half the fps a duel core can run a normal map at.“
You know if I did that you would be up in arms. Stop comparing apples to oranges. It should be CPU v PPU on the same map. It’s like me comparing the PPU on a normal map to the CPU on the bonus maps.

Imagine me saying the PPU is 70fps compared to 12.1 on the CPU.

It might be all that and half the fps a duel core can run a normal map but it turns the map from unplayable on the CPU to playable with the PPU.




“are there any benchmarks to show everyone here that its 'perfectly playable' with a quad core.”
No but it’s a safe assumption. If dual core is 26fps and the map is CPU limited then its safe to assume quad core is less CPU limited and you gain more then 4 FPS from 2 extra cores. 30fps is perfectly playable. They mention quad core in the article and how it’s needed over there scores on a dual core.
 
Last edited:
“I dont see 2 extra cores improving the frames that much, especially since the ppu is already taking a load off the cpu, so they claim.”
http://www.pcper.com/images/reviews/491/cpuusage_physxmapwithphysx.gif
take a look at that chart. Its cearly CPU limited which means the FPS are being hold back by the CPU. The review says “then adding a quad core CPU would have a positive result on performance.“

Saying that I agree it would be nice to see some quad core v dual core benchmarks.
 
You must log in or register to reply here.
Back
Top Bottom