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Poll: Dual GPU Users: Crossfire or SLI (including dual GPU cards)

Dual GPU Users: Crossfire or SLI

  • Crossfire

    Votes: 86 56.2%

  • SLI

    Votes: 67 43.8%
  • Total voters
    153
  • Poll closed .
I'm currently using a pair of GTX275s, they've been very quick and reliable (They were also cheaper than a GTX295 at the time and slightly quicker). I'm holding out at the moment hoping that Nvidia announce a GTX475 soon (same GPU core as GTX460, but with the missing cluster enabled).
I notice the GTX470 is coming down in price, but with my Gigabyte x58-UD5, there's no space between the 2 16way PCIe slots, so SLI GTX470s would probably be too hot.

This isn't my first SLI rig, as I used to own a 9800GX2, that was no where near as stable as my GTX275s.
 
HazardO said:
I'm currently using a pair of GTX275s, they've been very quick and reliable (They were also cheaper than a GTX295 at the time and slightly quicker). I'm holding out at the moment hoping that Nvidia announce a GTX475 soon (same GPU core as GTX460, but with the missing cluster enabled).
I notice the GTX470 is coming down in price, but with my Gigabyte x58-UD5, there's no space between the 2 16way PCIe slots, so SLI GTX470s would probably be too hot.

This isn't my first SLI rig, as I used to own a 9800GX2, that was no where near as stable as my GTX275s.
Click to expand...

Isn't the 9800GX2 the worst dual gpu card of all time?

Unhappy experience with 8800GT's @ 2560x1600. Framebuffer issues. Immature and problematic drivers. Single card > dual card for driver issues.

I supposed once the cards can spit out +60fps you can vsync + triple buffer for smoothness. But at that res it's not going to get 60 fps is crysis and newer games won't be 60 fps either.

Hopefully SLi tech has progressed in the meantime. i7 shows great scaling and 460 SLi shows lots of poly pushing power, fingers crossed it's a match made in heaven. :)
 
SLI because I like my cards to work.


In all seriousness however I have found SLI always scales better than crossfire. For example say you had 4 graphics cards of identical performance, 2 Nvidia and 2 ATI. I would nearly always guarentee the Nvidia cards would get better results than the ATI ones purely because of the driver optimisations.

I am interested to see what ATI can bring to the table this time around.

Going from 5870 to 5870 Xfire then 480 to 480 SLI
 
tdream said:
Isn't the 9800GX2 the worst dual gpu card of all time?

Unhappy experience with 8800GT's @ 2560x1600. Framebuffer issues. Immature and problematic drivers. Single card > dual card for driver issues.

I supposed once the cards can spit out +60fps you can vsync + triple buffer for smoothness. But at that res it's not going to get 60 fps is crysis and newer games won't be 60 fps either.

Hopefully SLi tech has progressed in the meantime. i7 shows great scaling and 460 SLi shows lots of poly pushing power, fingers crossed it's a match made in heaven. :)
Click to expand...

It was pretty poor, made my rig unstable (PSU was Corsair HX620 at the time), and the scaling in some games (farcry 2) was pathetic. I replaced it with a GTX280 in my old rig, it's frame rates weren't always as good as the 9800GX2, but it felt much smoother. As I said previously, my pair of GTX275s however have been very reliable and non of the stuttering or poor driver issues I had with the GX2.
 
Razor Time said:
Was there a big improvement going from 5850 X-fire to 470's in SLI?
Click to expand...

It depends on the game obviously but overall I'd say there was an improvement, a massive one once I put them under water (not a fair comparison I know). I wasn't overly impressed with Crossfire, (I didn't hate it either), I just prefer the polish of SLI and the nvidia Control Panel in general.
 
I have 2 4870s until I feel the need for DX11. I love having multi GPUs this being my first crossfire experience and problem free. Though I can't comment on Nvidia cards or SLI I think if I was rich I would go SLI but as I'm not I am more then happy enough with crossfire. for me it depends on price and performance not ATI/Nvidia.
 
both systems i have use crossfire, one being the older rig that i now use as a second pc (partially for the missus, but also for when mates come over for some mp action). This rig uses 2x4870 512Mb cards.

current system in sig :)
 
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