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AMD 6990 Eyefinity User Experience?

post #1 of 7
Thread Starter 
I'm debating whether to buy this card or not..

I've had a bumpy experience with ATI GPUs and crossfire, and wanted to try out nVidia this time around. However, it seems that nVidia does not offer a good surround solution for their cards. I have a friend who bought 2x 560 Ti and noticed that BF3 performance is choppy at best because of the lack of VRAM.

This card seems to have 4GB of VRAM which I believe should be great at Eyefinity resolutions of (5760x1080).. I want to get into BF3 and Skyrim..

Currently I have 2x 5850s running eyefinity, only game I play right now is World of Warcraft which unfortunately won't run at ultra without being choppy..runs at medium just fine. I guess there's also memory issues too.. but that Aside.. I'd love to get a card that'll run all the games I want at Max settings. the 6990 seems like a good solution.

What do you folks think?
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800GB SATA Drives Lite-on 16x DVD-R/W windows 7 professional 3x Dell ST2210 in eyefinity 
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post #2 of 7
Quote:
Originally Posted by tehpyrate View Post

I'm debating whether to buy this card or not..

I've had a bumpy experience with ATI GPUs and crossfire, and wanted to try out nVidia this time around. However, it seems that nVidia does not offer a good surround solution for their cards. I have a friend who bought 2x 560 Ti and noticed that BF3 performance is choppy at best because of the lack of VRAM.

This card seems to have 4GB of VRAM which I believe should be great at Eyefinity resolutions of (5760x1080).. I want to get into BF3 and Skyrim..

Currently I have 2x 5850s running eyefinity, only game I play right now is World of Warcraft which unfortunately won't run at ultra without being choppy..runs at medium just fine. I guess there's also memory issues too.. but that Aside.. I'd love to get a card that'll run all the games I want at Max settings. the 6990 seems like a good solution.

What do you folks think?


4GB is for 2 GPUs so per GPU is 2GB and effective VRAM is 2GB. Eyefinity is great but using a 6990 will not solve the games BF3 and Skyrim. It's the games, will have to wait for the patch and fixes. 6990 is a good card for Eyefinity at 5760x1080.

 

 

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ケンジ
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2x 6990 + 580 16GB 2133 MHz 24GB 2000 MHz 120GB x 2 RAID0 
Hard DriveHard DriveCoolingCooling
120GB x 4 RAID0 Raptor 300GB x 2 RAID0 CPU-370 CPU-370 
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post #3 of 7
Quote:
Originally Posted by tehpyrate View Post

I'm debating whether to buy this card or not..
I've had a bumpy experience with ATI GPUs and crossfire, and wanted to try out nVidia this time around. However, it seems that nVidia does not offer a good surround solution for their cards. I have a friend who bought 2x 560 Ti and noticed that BF3 performance is choppy at best because of the lack of VRAM.
This card seems to have 4GB of VRAM which I believe should be great at Eyefinity resolutions of (5760x1080).. I want to get into BF3 and Skyrim..
Currently I have 2x 5850s running eyefinity, only game I play right now is World of Warcraft which unfortunately won't run at ultra without being choppy..runs at medium just fine. I guess there's also memory issues too.. but that Aside.. I'd love to get a card that'll run all the games I want at Max settings. the 6990 seems like a good solution.
What do you folks think?

I run eyefinity with BF3 all the time. Mine is not choppy at all. I have two 6790's in crossfire with FX-8120 and I get around 70-80fps at 1080p.

The 6990 will do just fine and then some. The 6990 is almost twice as powerful as both of my cards together. You could probably run 5 monitors and still be good to go. I would go with 6990 if I had the money.
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post #4 of 7
I'm running tri-fire (6990+6970) and running BF3 at high settings at 6048x1080. I'm not sure it's just me or what, but I have to adjust some settings in-game to make it un-choppy. Basically, once I adjust the settings it runs stable around 50-60 fps at those settings.

What I have to do is the following:
1) Clip the FPS to 60 fps using GameTime.(something here) 60 Basically there is only one command that starts with GameTime, so just set that to 60 (or you can try lower - 50).
2) RenderDevice.RenderAheadLimit to 1 (default is -1). Again, the command may not be exact but there are only 4, so you'll see which one I'm talking about.

3*) I used to also have to turn vsync off, but that was apparently because windows detected my main monitor as 3 instead of 1 and for some reason that causes vsync issues in my system, so once I reconnected my monitors to make my main one be recognized as 1 by Windows and by CCC, vsync is now fine.
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post #5 of 7
Thread Starter 
seems like a thumbs up for the 6990? Any brand preferences?
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800GB SATA Drives Lite-on 16x DVD-R/W windows 7 professional 3x Dell ST2210 in eyefinity 
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i7 2600k @ 4.6Ghz INTEL DP67BG - Intel Extreme Motherboard 2 x XFX 5850 1GB DDR5 4096MB OCZ GOLD 1600 DDR3 
Hard DriveOptical DriveOSMonitor
800GB SATA Drives Lite-on 16x DVD-R/W windows 7 professional 3x Dell ST2210 in eyefinity 
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post #6 of 7

They ya all reference design regardless of brands. Go for brand you know to have good support for warranty and such to you in the past thumb.gif

ケンジ
(16 items)
 
  
CPUCPUMotherboardGraphics
i7-3960X i7-980X GA-X79-UD7 / GA-X58A-UD9 7970 + 465 
GraphicsRAMRAMHard Drive
2x 6990 + 580 16GB 2133 MHz 24GB 2000 MHz 120GB x 2 RAID0 
Hard DriveHard DriveCoolingCooling
120GB x 4 RAID0 Raptor 300GB x 2 RAID0 CPU-370 CPU-370 
CoolingCoolingOSPower
VID-AR699 EK FB X58A-UD9 Win 7 Ultimate x64 1500W / 1250W+1200W 
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ケンジ
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CPUCPUMotherboardGraphics
i7-3960X i7-980X GA-X79-UD7 / GA-X58A-UD9 7970 + 465 
GraphicsRAMRAMHard Drive
2x 6990 + 580 16GB 2133 MHz 24GB 2000 MHz 120GB x 2 RAID0 
Hard DriveHard DriveCoolingCooling
120GB x 4 RAID0 Raptor 300GB x 2 RAID0 CPU-370 CPU-370 
CoolingCoolingOSPower
VID-AR699 EK FB X58A-UD9 Win 7 Ultimate x64 1500W / 1250W+1200W 
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post #7 of 7
Quote:
Originally Posted by tehpyrate View Post

seems like a thumbs up for the 6990? Any brand preferences?

I have always dealt with XFX. They have great warranty and customer service. Also, they usually give a decent rebate too.

XFX from my experience is quality made and have had no problems with any of their cards. I have had the 5770, 6790, 6870, 6950, 6970 all from XFX and have had no problems with any of them.

Great cooling, great consistent performance, great overclocking and more.

http://www.amazon.com/XFX-Radeon-GDDR5-MINIDP-HD699AENF9/dp/tech-data/B004RB6SUY


It looks like newegg and tiger direct are out of them. Here is a few at amazon. I know newegg had some 2 weeks ago. Might want to call them and see when theyre getting more in.

Also, MSI 6990 has great overclocking software buy I heard a few people having problems with compatibility with MSI cards. Might want to look into it because MSI does make very high quality components and the afterburner overclocking software that comes with the cards is great. Definitely take look at it and some reviews. Look at the feedback from current owners. I like MSI personally as far as their motherboard quality but I have had problems with compatibility with these as well. Have not dealt with MSI cards but I have seen the afterburner software in action and have heard good things about the cards overall.

Check it out newegg:

http://www.newegg.com/Product/Product.aspx?Item=N82E16814127574
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ASUS VE247H 24" 1080p Razer Lycosa Corsair CX500 Fractal Define Design R3 ATX 
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Razer DeathAdder 
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FUSION
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AMD Llano A8-3870k ASUS F1A75-M Pro FM1 uATX Corsair Vengeance Corsair Force 3 
Hard DriveOptical DriveCoolingOS
Hitachi ASUS DVD Burner Cooler Master Hyper TX3 Windows 7 Ultimate 64-bit 
MonitorKeyboardPowerCase
ASUS VE247H 24" 1080p Razer Lycosa Corsair CX500 Fractal Define Design R3 ATX 
Mouse
Razer DeathAdder 
  hide details  
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