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Dedicated physx

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3 years ago#1
Does anyone on the board run a dedicated physx card? I'm just toying on the idea at the minute, currently using a GTX770 from what I've read (a lot of conflicting information fwiw) I should be looking at a 560/650 as the minimum?
Am I also right in thinking that even though my board doesn't support SLI it'd still work?
3 years ago#2
Yeah man
3 years ago#3
It should be fine so long as your secondary pci-e is at least a 4x lane. I use my 670 as a dedicated physx right now until I get my second 770. It works quite well but it is wasted power and heat for normal usage. Just finished batman arkham asylum, played a lot of ac4, and am mostly through metro last light. I don't really feel drops with physx in those games (aside from towns in ac4, which have way too many smoke stacks).

Overall its not worth buying a card for but if you have one sitting around its alright.
2500k @ 4.4 | P8Z68-V Pro | H80 | 8GB RAM | 770 + 670 physx | 256 SSD | 8TB HDD | Win 8.1 64bit | ax1200w | CM690II
Steam: DV8ing1
3 years ago#4
Thanks DV8 appreciate the input, I don't have one lying about but I'm eyeing a 650 on ebay for 40 ($60?) so investment wise it'd be minimal.
3 years ago#5
Rumble Roses. Someone enters the room.
Them: O_O Me: What?! I always play games without my pants on!- Inmate 922335
3 years ago#6
Lonestar2000 posted...

That's the type of thing I've been trying to find although there doesn't seem to be anything on the 6/7 series.
3 years ago#7
Lowest I'd go is a 650 but I'm not sure if that would be a hindrance for a 770. Depends on the game I imagine and in AC4's case you might be hurting performance. Again, not in a position to test and as you've already mentioned, results of such tests aren't easily accessible online.
2500k @ 4.4 | P8Z68-V Pro | H80 | 8GB RAM | 770 + 670 physx | 256 SSD | 8TB HDD | Win 8.1 64bit | ax1200w | CM690II
Steam: DV8ing1
3 years ago#8
Tried researching online a bit more, only thing I could really find was comments from 770 owners stating that a 650 and even a 660ti actually hurt framerate when used as a dedicated physx processor, I much rather have been able to find benchmarks with proven figures, but i think at the minute I'll hold off.
3 years ago#9
For a while I had 2 Gtx 560Ti in sli, it got very hot and loud so I decided to replace that setup with a Gtx 680.

When I got the card I tried one of the 560Ti cards as dedicated physx but the results was very underwhelming.

I tested Arkham City and Metro, both showed on average 1-2 fps improvements vs the Gtx 680 doing everything alone, EVGA Precision X reported around 5% gpu usage on the dedicated physx card.
So it really wasn't worth it.

Some day I'll try the Gtx 680 as a dedicated physx card now that I have a 780Ti though I doubt there will be better results.

From my experience, it's not worth it if you already have a fast card, the 770 being a re-branded 680 it's fast.
Maybe you would see better scaling on low end hardware but that's just speculation on my part.
| Gigabyte GTX 780 Ti | i7 2600K @4.6Ghz |
| Asus P8Z68-V/GEN3 | 8GB DDR3 1600 | X-Fi Titanium champion |
3 years ago#10
If you have a high end card there's typically not a card worth buying for PhysX. The only thing worth it is if you're buying an even higher end card and don't want to sell your old card.
Every time I try to go where I really wanna be it's already where I am, 'cuz I'm already there
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