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6990 x 2 (quad-crossfire) benchmarked : 24 gameplay & canned evaluations @ 3552x1920

post #1 of 18
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Greetings ya'll,

Having seen a number of downright fallacious benchmark results on various websites & youtube, at least in regard to my experience, I decided on enacting a comprehensive benchmark evaluation. I'll submit only one such example, which stands as the most prominent of the bunch as it's often referenced here and in other forums. The benchmark in question,


..demonstrates dual 6990s hitting around 70 FPS @ 2560x1600 in Alien vs. Predator! Of course, this figure & others led to a GTX 590 victory in various tests; as you can see below, at much higher resolution, my evaluation demonstrates the preceding results to be egregiously flawed. As this youtube video is not exclusive in it's denigrating quad-crossfire scaling, I hope to demonstrate just how many of these figures are absolutely absurd.

This review has been performed (except where otherwise noted) @ 3552 x 1920 pixel resolution, encompassing 6.8 megapixels in 3x1 portrait-mode Eyefinity. Catalyst Control settings were, across the board, "High Quality" with optimization effects disabled.

Every title was maxed out in entirety through the game's own setting tabs. The exceptions, as will be repeated below beside the entry in question, are Depth of Field in "HAWX 2", "Metro 2033" & "Dragon Age 2" was enabled with 4xEQAA instead of 8xEQAA (a mistake on my behalf, as the hardware handles the additional processing just fine).

All gameplay testing was done at 3552x1920 (and within a 4-5 day period of time). As the benchmark runs date back several weeks in some instances, and my bezel correction shifted somewhat arbitrarily during that period, you will see slight variations across several tests. The differentiation is slight, and essentially irrelevant.

A quick note about microstutter: I have, since adopting Eyefinity & various forms of crossfire in the preceding generation, a very acute eye for the effects of so-called "microstutter". I would qualify having experienced the effect in no less than 1/5 of games played within Eyefinity during the 5800's foray into multiple monitor gaming. I'm not confusing this with typical stutter or lag, either. My encounters with the effect typically occurred with high frame-rates, at or above 60 fps, & provided a healthy knowledge of the effect such that I'm more than capable in detecting it. In all 23 of the evaluation runs that follow, I confidently state that - despite the very high frames per second demonstrated below - I encountered NO microstutter, jitter, jutter, stutter, pauses, latency, freezing, or anomalous frame synchronization behavior in any of the testing to follow. As a quick note, as a means of qualifying the reported frame data taken through Radeonpro, I utilized MSI Afterburner to verify the result accuracy. Shout & thanks to Japamd & the Afterburner developer (Unwinder or something, right) for providing the exceptional tools making this evaluation possible.

Test rig


All performance data based on my i7-2600K seated within Gigabyte's P67A-UD7 running bios p67aud7.f8x. The tests were run @ 102.3 bclock & 50 multiplier for 5.1 GHz. 2 GB x 4 of Patriot Sector 5 (Viper II) RAM clocked at 2176 MHz. The video cards under review are XFX & Sapphire 6990s clocked at 1000 MHz core / 1485 MHz memory; of course, the AUSUM bios is enabled, thus unlocking Powertune to it's highest capacity, which I have set to +20%.

Cooling is provided by an Apogee XT CPU block. Dual VID-6990 Koolance waterblocks are attached to the 6990s. Temperatures under load for the CPU ranged between 50-56° Celsius. Temperatures under load averaged between 48-52° Celsius for the 6970s comprising my 6990s. Vreg temperatures averaged the low-to-mid 60s, peaking at 68.4° (maximum for all 4 GPUs). The cooling system features a Swiftech MCP-35X & MCP-655 providing pressure. Two Swiftech 320 Radiators work in heat dissipation alongside their cousin Swiftech 420. A total of 20 fans are attached to the radiators, which are helped to operation by an Aerocool fan controller & tons of 3-pin splitters.

AMD Catalyst Driver 11.5b / Catalyst Application Profile 11.5 - CAP #5

Alien vs. Predator: Benchmark Runs

I've also included my 1920x1080 run, as I felt it was quite impressive.




Alien vs. Predator: Gameplay

Run begins in "cave" after protagonist has been yanked up by a Xenomorph. Moves from inside cave to outdoor area; continues into building on the side, to reset the satellite feed (or something). Benchmark wraps up after exiting and heading back outdoor toward a bridge, assaulted by half a dozen aliens. Settings are all maxed out with 4xEQAA.


Batman Arham Asylum : Benchmark

All settings maximized, 8xEQAA.


Battlefield: Bad Company 2 : Gameplay

Benchmark of first level. Continues from introduction, through trench battles, past the "defector", while manning HMG on vehicle and up to the entryway of the submarine dock. All settings maximized, including HDAO, 16xAF & driver override 16xEQAA.


Crysis: Timedemo


Crysis Warhead

Straight Enthusiast settings; 2xEQAA & 16xAF. Jungle level where the Psycho sets out to rescue downed airman. The .exe is named "Crysis" in Warhead, thus the benchmark header.


Crysis 2: Time Demo


Crysis 2: Indoor Gameplay

All settings to extreme; "R_postmsaa" set to 4xMSAA. The fps were so high during tested indoor level (hargreave-rasch building), I decided to balance out the test with separate run for an outdoor evaluation.


Crysis 2: Outdoor Gameplay

Before entering the same building that above benchmark was evaluated within. Same settings as above.


Dragon Age 2

Benchmark begins at start of game and through battle with troll. All settings in game options maximized, except for 4xEQAA in place of 8xEQAA.


Far Cry 2: Ultra / Time Demo 4xEQAA


Far Cry 2: Ultra / Time Demo 8xEQAA


H.A.W.X. 2 : Benchmark

All settings maxed out, except for Depth of Field. Benchmark runs fine with DoF, I just hate it in principle & typically don't enable it.


Mafia 2: Gameplay

Run begins, waking up in "Chapter Three" with phone ringing in Joe's apartment. Change clothes, leave building & hop in garaged car. Take it for a spin, accidentallly crushing some citizens. Hop out and run, then engage police in fire-fight. Death ends the run.


Metro 2033: Benchmark Run 1

Frontline benchmark. Everything ULTRA (minus DoF) & AAA.


Metro 2033: Benchmark Run 2

Frontline benchmark. Everything ULTRA (minus DoF) & MSAA.


Metro 2033: Gameplay

Everything maxed, minus DoF. 4xMSAA. Benchmark begins upon leaving bar after first level wraps up. Follow child to Artyom's first companion (forget his name right now) and into the Metro underground. Engage bandits after side-stepping booby-traps before ending the evaluation.


Stalker Call of Pripyat: Benchmark Tool

Although not visible entirely, this run followed under across-the-board ULTRA settings including "HDAO" to ULTRA CS. There is no anti-aliasing enabled.


Stalker: Call of Pripyat Benchmark Tool 2

Follows same regimen as above, except with 2xEQAA enabled.


Street Fighter IV: Benchmark

For laughs more than relevance this performance evaluation holds for current hardware. As ever, the entire settings follow maximum conditions & 16xEQAA enabled.


Unigine Heaven 2.1

Heaven 2.1 run at default settings. Easily reproducible, is my mindset for running this still gorgeous DX 11 benchmark. I didn't perform 2.5 because I have yet to install it on my drive, though may update this review with the most contemporary version as an addendum.


3DMark 11

Never felt these benchmarks were of terrible significance, though frequent competition with objective of highest 3dMark score is a nice incentive for rig-tweaking. Here's the best of what I've accomplished.




Edited by XXXfire - 7/10/11 at 5:09am
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post #2 of 18
Thanks and nice work.
Those really are some crazy scores
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post #3 of 18
Wow Absolutely awesome scores. Thanks for taking the time to do these and show the true class of the Hd 6990 and thus also the scaling on Quad Fire. After reading this i am certain to grab me another 6990
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post #4 of 18
holy crap.....
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post #5 of 18
If you ever feel that Quad crossfire isn't treating you right, i'll take one of the cards for you.
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post #6 of 18
You should consider joining in on this friendly competition.

http://www.overclock.net/13900962-post2161.html
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CPU: AC Cuplex Kryos HF Radiator: XSPC GTX 480 GPU:2xSwiftech Epsilon 6990 8x Scythe Gentle Typhoon AP-15 
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post #7 of 18
Quote:
Originally Posted by Nexus6 View Post
You should consider joining in on this friendly competition.

http://www.overclock.net/13900962-post2161.html
Mosdef I wish I had 2 6990s
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post #8 of 18
very nice!

inb4 Levesque enters the fray


edit: is that using all five monitors in portrait?
Edited by wermad - 6/16/11 at 11:11pm
post #9 of 18
Thread Starter 
Quote:
Originally Posted by wermad View Post
very nice!

inb4 Levesque enters the fray


edit: is that using all five monitors in portrait?
Negative on that. 5x1 Portrait is the next series I plan on evaluating; as for this, I wanted to provide (at least in aggregate pixels) a comparison that could be used for the much more common 3x1 Eyefinity.

I must say, and thanks for the replies fellas , that portrait mode absolutely trounces landscape. The aspect ratio is much closer to a standard 16:9 or 16:10 & the natural field of view is much superior. At least imo; in building this setup, I had to acquire monitors that supported portrait mode natively or else would run out of desktop space for 5x1..in of itself, no simple task. Thankfully I found NEC EA231 monitors @ $220 per. IPS panels, although refurbished, which were impeccable upon arrival. It's been an exceptional experience so far, & I'd recommend 5x1 portrait for anyone tilted toward Eyefinity.
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post #10 of 18
Quote:
Originally Posted by XXXfire View Post
Negative on that. 5x1 Portrait is the next series I plan on evaluating; as for this, I wanted to provide (at least in aggregate pixels) a comparison that could be used for the much more common 3x1 Eyefinity.

I must say, and thanks for the replies fellas , that portrait mode absolutely trounces landscape. The aspect ratio is much closer to a standard 16:9 or 16:10 & the natural field of view is much superior. At least imo; in building this setup, I had to acquire monitors that supported portrait mode natively or else would run out of desktop space for 5x1..in of itself, no simple task. Thankfully I found NEC EA231 monitors @ $220 per. IPS panels, although refurbished, which were impeccable upon arrival. It's been an exceptional experience so far, & I'd recommend 5x1 portrait for anyone tilted toward Eyefinity.
awesome

edit: just got my three monitors in portrait mode. gonna give a try and see how it feels like in gaming
Edited by wermad - 6/17/11 at 1:06am
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