View Full Version : good dedicated physx card.
redrooster303
03-09-10, 04:50
thinking about getting another nvidia gpu for dedicated physx. it would be going with my 2 1gb 460's. i want the cheapest (but one that can keep up in the highest settings on the best games at 1920x1080 with my 2 460's) single slot card i can get. i only have a pcie 2.0 x4 slot left on my motherboard aswell. don't know if anything can run on that. thanks for any help + rep.:)
you should be ok running at x4. But, i suspect your last slot is linked to the p55 chipset making it pcie 1.1 not 2.0 meaning its equivalent to x2 pcie2.0.
as everyone will say, physx isn't worth it.
if you were to go ahead and do it, best single slot you can get is a gtx260 which is incredibly hard to find, more common is a single 9800gt or 9600gt (which i have)
9500GT is about the best for price/performance/wattage.
Why? It was a waste of time with Ageia still is now. Just hogs your resources.
don't bother you aren't missing much
With 2 460's you wouldn't need to.
With 2 460's you wouldn't need to.
Agreed.. 2x 460s are easily powerful enough to handle todays games with full eye candy, PLUS doing the physx calculations too..
watercooled
03-09-10, 13:45
2x460 plenty
220 i think is the best watt/performance and the 95/9600 as the best pound/performance if you get a 2nd hand one. i think an 86gt/s would do too if you can find 1.
iirc you need 48 cuda cores for physx now.
KarlHungus
03-09-10, 14:03
don't bother you aren't missing much
Yep physx is overrated.
You might find this article (http://www.bit-tech.net/hardware/graphics/2010/09/03/mafia-2-physx-performance/1) interesting, opened my eyes to PhysX performance.
You might find this article (http://www.bit-tech.net/hardware/graphics/2010/09/03/mafia-2-physx-performance/1) interesting, opened my eyes to PhysX performance.
The exception, not the rule.
The exception, not the rule.
I thought it was actually a reasonably representative article. Though something like 3DMark Vantage seems to be ludicrously weighted to having any PhysX capabilities, after having a little read around I'm starting to draw similar conclusions to B-T - the drivers still don't seem to be perfect with occasional massive FPS drops, and at the end of the day it's still a gimmick over a something genuinely vital to your PC's operation (i.e. GPU or CPU).
redrooster303
04-09-10, 04:34
i was asking this because i ran the benchmark in mafia 2 with 2x460's in sli with everything maxed out and phsyx on high and i only got 34fps average. it then said the game was not running at optimal so i should reduce settings.
this saddened me as i thought 2 460's would p*ss it. i then looked around the benchmarks earlier today and alot of people are complaining that this game is poorly optimized and a patch is needed.
i then started messing with settings: i disabled sli and ran one 460 as a dedicated physx card = no change in frame rates. next i had one card on its own running everything and it was only 2 fps slower. it seems this games is very poorly optimized indeed. i have all new drivers and every other game works ok with sli etc. i even changed just the physx drivers in steam and nvidia control panel and still no change. looks like i'll just have to wait until a patch comes out.
if anyone else is running 2 1gb 460's could they post there benchmarl for me just for info.
i also have run out of things to upgrade after i buy my ssd and if i'm not upgrading my money gets spent on beer or other s**te so i'd rather see something for my money, hence a card for dedicated physx lol.
sorry for the long post. :):thumb:
You might find this article (http://www.bit-tech.net/hardware/graphics/2010/09/03/mafia-2-physx-performance/1) interesting, opened my eyes to PhysX performance.
It's cause cpu physx doesn't use any of the special abilities modern cpu's bring to the table they use a really old x87 code path which makes no use of SSE at all, is single threaded too. Just by using SSE instruction path they would increase performance 3x to 4x on single core cpu.
http://www.geeks3d.com/20100711/cpu-physx-x87-sse-and-physx-sdk-3-0/
i was asking this because i ran the benchmark in mafia 2 with 2x460's in sli with everything maxed out and phsyx on high and i only got 34fps average. it then said the game was not running at optimal so i should reduce settings.
this saddened me as i thought 2 460's would p*ss it. i then looked around the benchmarks earlier today and alot of people are complaining that this game is poorly optimized and a patch is needed.
i then started messing with settings: i disabled sli and ran one 460 as a dedicated physx card = no change in frame rates. next i had one card on its own running everything and it was only 2 fps slower. it seems this games is very poorly optimized indeed. i have all new drivers and every other game works ok with sli etc. i even changed just the physx drivers in steam and nvidia control panel and still no change. looks like i'll just have to wait until a patch comes out.
if anyone else is running 2 1gb 460's could they post there benchmarl for me just for info.
i also have run out of things to upgrade after i buy my ssd and if i'm not upgrading my money gets spent on beer or other s**te so i'd rather see something for my money, hence a card for dedicated physx lol.
sorry for the long post. :):thumb:
If you saw no change on framerate between running 2x460 in SLI and then 1x460 + 1x460physx, then to me that would mean that the graphics cards arent the problem.
It would actually make me think that you are being limited by your CPU, which would match up with the findings in another article linked in this thread where MafiaII managed to max out a more powerful CPU than yours..
redrooster303
04-09-10, 19:23
yeah the 980x. gotta need alot of power to max out that chip. i just hope they patch it up abit so it runs better. i can still play mafia 2 at high settings but with an i7 and two 460's i thought i'd get better fps.
i'll just leave it as is, saying that though if anyone else has had this kinda experience or has run it on the same hardware could they post there fps.:thumb:
I3R0K3N7FEET
06-09-10, 22:43
gt240 best for dedicated physX physX doesnt matter for bandwidth nor speed but how many cores there are.
power fuse0
07-09-10, 06:45
With 2 460's you wouldn't need to.
Agreed, but for those who are reading this with the same question, but are on AMD. Then I'd say anything above a 9800gt.
Anything below would struggle
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