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Old 09-07-08, 03:02 PM   #1
Xion X2
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Default Xtreme Benching (Multi-GPU setups from Nvidia/ATi welcome)

We need an xtreme benching thread over here for graphics. Come on.. all of you with your monster rigs.. I know you're out there. Juanlo and you other guys who have your own threads.. feel free to drop it in this one, and we'll keep them all together.

Here, I'll start.

4870 X2 CrossfireX Review

Introducing the 4870X2 CrossfireX Platform:




Test Setup
CPU: Intel Q9550 Yorkfield @ 3.85GHz
GFX: ATi Radeon 4870X2 | 4870X2 CrossfireX
MBD: Asus Rampage Formula X48 (PCI-E 2.0 x 16 x 16)
RAM: Corsair DDR2 1066MHz
PSU: Corsair HX1000W
DVR: Catalyst 8.8 beta
OS: Vista 64 Ultimate

Gentlemen.. START YOUR ENGINES!!!

A snapshot of all 4 GPUs running in the Catalyst. 40% fan adjustment enabled keeps all nice and cool at idle:




================================================== ================================================== ================================================== =============
Warning: If you're used to reading reviews filled with nothing but light AA settings made for graphics cards from circa-2006, then you may want to stop right here. High-end platforms deserve X2reme testing, and that's exactly what you're going to see here. At least in the cases that performance is still playable with it.
================================================== ================================================== ================================================== =============




CRYSIS (DX10)



For Crysis, benching was conducted at three different settings on the two platforms. All High with 4xAA, All Very High with 2xAA and All Very High with 4xAA. Anything higher than 4xAA is unplayable on either platform.



A setting that was once unplayable on Crysis (Very High) is now very playable in CrossfireX--averaging nearly 50fps and dropping no lower than 32fps with 4xAA enabled. Of course the ideal scenario would be to have the 2nd X2 scale at least 80%. I still hold out hope that ATI can optimize the drivers better for Crysis and CrossfireX in general, and I believe they will. The 8.9 betas shown above have brought a 20% improvement over the 8.8s that I had benched with earlier in the weekend and that are shown in the rest of the benches below.

But Crysis isn't the only game out there. There ARE others.. despite how much people talk about it. After this monster, I decided to move onto something a little easier and a game I knew already scaled like crazy on my 4870 Crossfire setup: GRID.



GRID





Yes, you're reading that right. 184fps at highest settings with 24xTSAA (transparency supersampling AA) enabled. And I guess my comment about "200 mph down the streets" might need a little revisioning since 12xTSAA on CrossfireX breaks the 200fps barrier by flying down the track at 214.

There's no doubt that GRID runs on sheer graphics power.

Next - Stalker.



STALKER: Shadow of Chernobyl

Ever since installing this game over the weekend I have been kicking myself. "What the hell were you thinking never playing through this game?" --I've been telling myself. Well, I'm going to. It's at the top of my list. It's still one of the best looking games out there, and it runs very well on the ATi platform.



Two things could probably make this game look even better, though. 1) - Mods and 2) - for ATi to allow driver AA. No matter what setting I tried, I couldn't get the driver AA to override what was in-game. The best I could do was set the in-game AA option as high as it would go. At 1920x, though, any jaggies are minimal.


And last but not least--the game that caused me to lose sleep over my lack of VRAM (yes, I'm sad): Oblivion.



Oblivion



This game is amazing. It's been out for over two years, and it still competes with games like Crysis for top dog in graphics with a single mod installed. With Qarl's texture mod, this game is simply breathtaking. So many of the original low-res 360 textures have been replaced with textures 4x in size, and both the X2 and CrossfireX just maul over every one of them.

As good as the game looks with the improved textures, nothing can slow it down until you bump that nasty little bugger (a.k.a. - "performance killer",) a.k.a. "AA" up a notch. Or two, or three.



This game plays perfect on a single X2 all the way to 12xAA at highest settings w/ Qarl's mod installed. But that's the ceiling. If you go any higher, it bogs a single X2 down considerably as you can see in the graph. Minimums drop to 39fps once 24xAA is enabled, and when you're under 40fps on Oblivion the game can get very choppy and laggy.

On Quad-Crossfire, however, it pretty much laughs at anything you can throw at it. Even 24xAA isn't enough to drop it below 60fps.



SUMMARY

Now, to answer the latter part of the two questions introduced above. "How much trouble is it?" I would say "very little." I've experienced a few BSODs along the way, and each time I thought it was a driver issue it turned out to be something else (like an unstable overclock or overheating NB.) For everyday use, I have found it to be SURPRISINGLY stable thus far--much moreso than I expected it to be. With 4 GPUs you might expect Chaos Revisited inside your box, but these babies purr and rip through every game with a vengeance. Except for Crysis. But even so, Crysis still plays very well in Quadfire and is very solid on a single X2 on High settings. Very High is a little too much for a single X2, I feel, as it hovers around 30fps far too much and seems slow in comparison to the quad setup.

That said, CrossfireX isn't perfect. Motherboard support seems to be lacking. At times I've had to play "Guess the HDMI port" on the back of my rig just to get video after a driver install, but I'm starting to learn my way. This is really the only issue I've had aside from trying to keep the temps down. These babies run hot.. especially when you crank the AA up a lot or run Crysis on Very High. The only way I can keep temps manageable is by placing 2 120mm fans next to the cards and using a fan hack to run at 40-45%. Otherwise, Crysis gets the cards as hot as 95C!

Last but not least: Microstuttering. Well, again, I say "bollocks" to most of those charges. Even with 4 GPUs I have not seen this highly-publicized thing that people keep talking about. I honestly expected a little more lag with 4 GPUs than you get with 1 or 2 of them, but there is no excess lag whatsoever. Everything works great. In fact, I get less lag in games like Crysis and Oblivion when in Quad-Crossfire because my framerates are higher.

I have seen what I consider a hint of what microstutter is, and it's only reared its head in Crysis on a single X2 on Very High settings w/ 4xAA. It seems like these settings bog the card down so much that it hiccups occasionally once performance drops around 30-35fps. I haven't seen this happen with any other game in my library. The truth is that even a single X2 is so strong in most games that you will likely never see this issue pop up.

So that's it, people. I may be adding a few more games every now and then. My advice is to take whatever I've said in stride and enjoy what you have if you're able. We all have different preferences. And if you're looking the CrossfireX route, then make sure you have a PSU that's up to the task so you won't burn your house down. This monster uses some power and puts out some heat.

I have to run.. I just saw a transformer blow about a block away from me, so I should probably shut down before they get suspicious.

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Last edited by Xion X2; 09-30-08 at 09:47 PM.
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Old 09-15-08, 09:28 PM   #2
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Default Re: Xtreme Benching (Multi-GPU setups from Nvidia/ATi welcome)

4870 Crossfire benches:

http://www.nvnews.net/vbulletin/show...02&postcount=2

Crysis in-game screenshots (Very High, DX10, 2xAA @ 1920x):





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Old 09-15-08, 10:01 PM   #3
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Default Re: Xtreme Benching (Multi-GPU setups from Nvidia/ATi welcome)

Nice

You forgot to include a screen shot of Stalker
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Old 09-16-08, 12:20 PM   #4
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Default Re: Xtreme Benching (Multi-GPU setups from Nvidia/ATi welcome)

I am picking up my 4870x2 this Friday. Can't wait to run through Crysis.
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Old 09-16-08, 07:34 PM   #5
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Default Re: Xtreme Benching (Multi-GPU setups from Nvidia/ATi welcome)

wth I thought that was a screenshot from TF2



lol


Anyways nice work. Still waiting for my 2nd card to come back from rma should be here tomorrow.
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Old 09-16-08, 08:09 PM   #6
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Default Re: Xtreme Benching (Multi-GPU setups from Nvidia/ATi welcome)

Quote:
Originally Posted by KasuCode View Post
wth I thought that was a screenshot from TF2



lol


Anyways nice work. Still waiting for my 2nd card to come back from rma should be here tomorrow.

Good luck, bro. It's time you got that rig up and running.

When it comes in, you'll probably need to use the bottom right DVI port to get video with all 4 cards installed.
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Old 09-17-08, 08:56 AM   #7
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Default Re: Xtreme Benching (Multi-GPU setups from Nvidia/ATi welcome)

Xion, thats not Corsair 1066 in there.

Someone swapped your corsair for G.Skill dude!! DDR2 1100? I have the same stuff
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Old 09-17-08, 10:09 AM   #8
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Default Re: Xtreme Benching (Multi-GPU setups from Nvidia/ATi welcome)

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Originally Posted by mailman2 View Post
Xion, thats not Corsair 1066 in there.

Someone swapped your corsair for G.Skill dude!! DDR2 1100? I have the same stuff
I've changed my RAM and motherboard since that picture was taken.
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Old 09-27-08, 11:04 PM   #9
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Default Re: Xtreme Benching (Multi-GPU setups from Nvidia/ATi welcome)

Here is mine, finally broke 33K Vantage Took a lot of persistence

http://service.futuremark.com/compare?3dmv=404004
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Old 09-27-08, 11:29 PM   #10
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Default Re: Xtreme Benching (Multi-GPU setups from Nvidia/ATi welcome)

Nice jAkUp! Too bad they won't count it because of the driver, otherwise it would be the highest score for vantage.
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Old 09-29-08, 02:31 PM   #11
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Default Re: Xtreme Benching (Multi-GPU setups from Nvidia/ATi welcome)

Quote:
Originally Posted by jAkUp View Post
Here is mine, finally broke 33K Vantage Took a lot of persistence

http://service.futuremark.com/compare?3dmv=404004
Nice! I haven't ran Vantage yet.. I'll have to give it a whirl. Your CPU may have me, though.
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Old 09-29-08, 02:56 PM   #12
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Default Re: Xtreme Benching (Multi-GPU setups from Nvidia/ATi welcome)

LOL @ Kusa I thought the same thing. Someone having fun in Gmod.
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