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AMD 16x-16x crosfire board for 160-70?

post #1 of 5
Thread Starter 
Looking for a new board. I need it to be dual 16x-16x crossfire with a 3rd pci-e slot. Anyone got any advice? I was looking at the ASUS M4A79T Deluxe cuz it was only 120 a few days ago on newegg, but passed it up because of how old it is.

Also how much of an increase in performance am I going to see from getting a new board with DDR3 ram?

Edit: also whats is the performance difference between running 16x-16x and 16x-8x?
Edited by Bryst - 12/23/10 at 12:51pm
post #2 of 5
There is almost no difference between x16/x16 and x8/x8. Proof Maybe by 5-6 FPS at MOST, but besides that the difference is negligible. With DDR3 ram, it mostly depends on what you mostly do and the speed of the RAM, but you will most likely experience fast performance on games and apps.

As for a motherboard, ASRock has 2 890FX boards IIRC at the $150 price point. There is also the M4A89TD, and the Gigabyte UD5. Biostar has a 890FX board, but it has only 2 PCIe slots. The M4A79T is also a great choice, but if you want stuff like SATA 6Gb/s, go with a 800 series board.
Edited by Eugenester - 12/23/10 at 1:05pm
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by Eugenester View Post
There is almost no difference between x16/x16 and x8/x8. Proof Maybe by 5-6 FPS at MOST, but besides that the difference is negligible. With DDR3 ram, it mostly depends on what you mostly do and the speed of the RAM, but you will most likely experience fast performance on games and apps.

As for a motherboard, ASRock has 2 890FX boards IIRC at the $150 price point. There is also the M4A89TD, and the Gigabyte UD5. Biostar has a 890FX board, but it has only 2 PCIe slots. The M4A79T is also a great choice, but if you want stuff like SATA 6Gb/s, go with a 800 series board.
Is ASrock a reputable brand now? the last time I built a pc, 3years ago, they where still kind of Meh. I wish DFI still made AMD boards. I was looking at the BIOSTAR TA890FXE but the pci-e slots at to close to use 2 6850s and a 9800GT for physics.
post #4 of 5
Take a look at the msi gd70 board, it should fit your needs.
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post #5 of 5
I too was considering a x16/x16 890fx MB, because I thought it would be better for 2x 6950 CF. After meeting with the Grand Master of Somethings at the place of everyday modern human things, and really I just read a review for SLi GTX 580s setup, and it was identical up to ~2500x1600 resolution.

However, for multiple monitor setup, like ~5000x1080 or whatever, then x16/x16 was noticeably better than x8/x8 , but still not by that much.


I just ordered a M4A89gtd pro USB3 from Canada Computers for $120 +$7 shipping in Canada, (don't know where you are though) after a $15 mail in rebate.
Grand total will be $145.44 after rebate.

http://www.canadacomputers.com/produ...item_id=029369


And I can't wait.
Edited by Mit Namso - 12/24/10 at 12:02pm
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