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討論區規矩與守則
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My gpu drivers are up to date, but i'm not sure on the cpu drivers?
Motherboard Driver http://www.asus.com/Motherboards/M5A97_R20/#support_Download
ASUS (and other board makers) only update the drivers for so long, not forever. Ones on Asus are out-dated.
And by up to date NVIDIA GPU drivers, what do u mean? You mean 320 WHQL? Those are bad-news, seriously. Always review driver versions, don't just update to them. And if u look for latest driver, atm only 320 will show because of it's WHQL classification, but this driver can be quite buggy. In which case a later BETA driver should help.
Downloading chipset driver =D
Motherboard: http://www.scan.co.uk/products/asus-m5a97-r20-amd-970-s-am3plus-ddr3-sata-iii-6gb-s-sata-raid-pcie-20-(x16)-atx
CPU: http://www.scan.co.uk/products/amd-fx-8350-black-edition-vishera-8-core-s-am3plus-40ghz-16mb-total-cache-125w-retail
I have a i7 4770k with a 780 and have tried 3 physX configs, CPU, running off the primary GPU, and used a 570 as dedicated PhysX GPU. And what I found is that running off the CPU was terrible, so you would never want to run PhysX off the CPU.
Your friend is definitely not getting playable framerates using an 8320 for PhysX anyway so it is irrelevant, if he gets better than you than who knows, OC?, better MB maybe? but running Physx off the CPU is pointless, I ran it on a 4770k and got terrible results.
Just run PhysX off your 770 and be happy.
But IMHO, any game that has PhysX and you want to run that PhysX on High, you will need a seperate GPU to render PhysX. Some games, like Mafia 2, have very demanding and crippling PhysX that you will need a dedicated physX card for. With my 780 without my 570 for PhysX got like 47 fps on the Mafia 2 benchmark with physX on High. With the 570 for PhysX I get 100 fps with my 780 primary.
Hey if you have an old card put it in for PhysX, just make sure it is a decent card, I wouldnt go any less than GTX 460.
Edit: scratch that, your MB does not have a second PCIe X 16 Slot, yea I would say that if your friends 8320 is beating your 8350 clock for clock in any manner than it would be that he is using a better MB, FX cpus need good MBs to really shine, well so i hear?
But never the less, using ANY CPU for PhysX is pointless, always run it from an Nvidia GPU, whether primary or dedicated PhysX.
Sorry but there is no way your friend is running a 8320/770 and using the CPU for PhysX and the PhysX setting is on HIGH not medium or off but HIGH and getting 50 fps in the Mafia 2 benchmark with all settings maxed at atleast 1080p.
btw what resolution are you at and what is your friend using? because I have ran that Mafia 2 benchmark countless ways with multiple rigs/configs and your numbers are not accurate.
your 15 fps is accurate running PhysX off the CPU, but your friends isnt, so one of you isnt being truthful here, sorry...
Then check NVIDIA Control Panel > Manage 3D settings and sure you have the following settings. If you do not want to change your Global Settings (for all DX/OGL apps) then click the Program Settings tab instead and locate or addin Mafia2 (the actual game .exe is ~ Steam\steamapps\common\mafia ii\pc\mafia2.exe). By making sure this game is listed, you can change settings just for a particular game. If you change something under Global, then it will apply to everything.
FXAA = OFF
CUDA GPUs = ALL
Power Management Mode = Prefer Max Performance
Max Pre-Rendered Frames = 1
Texture Filtering - Negative LOD Bias = Clamp
Threaded Optimization = AUTO or ON (either should be fine)
Triple Buffering = OFF
Vertical Sync = OFF
Then on left hand side, click Set PhysX Config and change so GTX 770 is there and not Auto or CPU.
Be sure u apply any changes, otherwise they won't stay after closing out NVCP.
And even at 1080p, there is no reason why even a GTX 760 can't run Mafia2's PhysX on High Rendering without a 2nd GPU for PhysX. Given the performance of the 700 series over previous gen. I have a GTX 570 1280MB here and even on a much lesser system, it has no problems running everything in Mafia2 maxed out, no VSync, PhysX on High and still average around 40-60 FPS @ 1080p
Try both you and your friend running Fluidmark on CPU only.
Link to Fluidmark download:
http://www.geeks3d.com/20101126/gpu-tool-fluidmark-1-3-0-gpu-physx-fluids-with-more-than-700k-sph-particles/
See how well you can both do with CPU only. Are you or he better?
Sure it can run it, but not at a consistent frame rate, like I said GTX 570 alone Mafia 2 PhysX HIgh, Settings Maxed, 1080, 31 fps...Physx off, 65 fps.....GTX 780 alone Mafia 2 PhysX High Settings Maxed, 1080, about 47 fps on the benchmark, PhysX off, 100 fps
Now with a 780 and a 570 dedicated PhysX High, Settings Maxed, 1080, 100fps
Mafia 2 does have the most extensive, or rather demanding PhysX that I have seen, the PhysX card gets like over 50% GPU usage just for PhysX in that game, but performance is great, with Vsync never dips below 60fps...
Now Im not saying that a PhysX card is absolutely necessary, but it does add to performance a great deal, now when I SLI my 780 I wll take out the 570 ofcourse, but for now I don't see a reason not to keep it in there when it helps performance in all games that carry PhysX and does not slow down my 780 one bit.....hey I just upgraded, why let my 570 just get dusty when it can still be of use.....just saying..
To OP, run PhysX from your GTX 770, NOT the CPU, if you don't like performance SLI or get a dedicated PhysX GPU, but ofcourse that means new MB
You could change to AMD, but I think a GTX 770 might be better than a 7970, or wait for the 9970, and again you will not get PhysX with AMD...but really PhysX is still overrated and not used by many games anyway...
I am in the process of build my AMD Rig and debating weather to get AMD 7970 or an GTX 770.
I just dont wana hit the same problem with PhysX. My Motherboard is a Sabertooth 990fx Rev 2.0
Well the 7970 is a great card, but you do understand that you will not get PhysX with an AMD card, and running PhysX off the CPU is a terrible idea. The 770 is a great card for the price and unless you are talking the GHZ edition is better than the 7970, but not by much, and the 7970 beats it in a lot of apps, primarily the 770 is better in games like BF3, Civil5, FarCry 3, Bioshock Infinite, Crysis 3, Metro LL and most likely the upcoming BF4, but thats enough reason for me
http://anandtech.com/bench/product/829?vs=770
Btw if interested in which card will be best for the upcoming battlefield 4, here is a good article about which current GPUs will run it best...
http://bf4central.com/2013/08/best-graphics-cards-for-battlefield-4/
But on a seperate note, I wouldnt buy a GPU on the basis of PHysX, not enough games utilize it, and turning it off or putting it on medium is not that big an issue....but PhysX done right can be very sweet...
Why would my friend lie about frames?
http://www.youtube.com/watch?v=uQQT1f-CByc
That video shows him playiing it on his cpu with PhysX on. By default, PhysX runs on CPU. I had to change my settings to GPU but my friend, says he was fine running it on CPU without problems and getting over 70 frames whilst I was getting 15, and less!
Try Passmark for some free benchmarking tests including Physics Engine tests (not Physx).
http://www.passmark.com/products/pt.htm
Also try:
http://openbenchmarking.org/
http://novabench.com/
So generaly, we should have near enough the same scores as we both have on par cpu's? 8350 and 8320