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Which motherboard should i go for?

post #1 of 10
Thread Starter 
Ever since upgrading to my 6950 Direct CU II setup i have been suffering from increased GPU temperatures e.g 90c on the top card while the bottom card is much cooler. Also due to the size of the cards half of my SATA ports have been blocked off. Because of this i am in search of a new motherboard that will give me a one slot gap between my graphics cards, giving me more room for expansion while hopefully lasting me a long time. The motherboard's i have found so far are listed below:

Gigabyte GA-890FXA-UD7

300

Pros
Cheap
Includes a motherboard waterblock if i decide to move to a custom loop

Cons
No USB 3 Header
No support for AM3+ CPU's
No UEFI BIOS
Might have problems fitting into my case (see image below)
279

Gigabyte 990FXA-UD7

600

Pros
USB 3 Header
Supports AM3+ CPU's
Will fit in my case

Cons
Quite expensive
I've heard about a Vdroop issue with this board, not sure how that will impact overclocking

I'm also looking at intel boards. I've recently started doing some audio and video editing for youtube by recording my bass guitar. Would a intel CPU benefit that as well as gaming?
I've also noticed that when playing games such as Saints Row 3 i'm only using about 50% of each GPU. I'm getting quite low fps in this game so i'm also not sure whether my 1055t is bottlenecking my GPU's.

Asus P8Z68-V PRO/GEN3

221

Pros
Support for ivy bridge
USB 3 Header
PCI 3.0
Bluetooth

Cons
Added cost due to having to buy new CPU
Will not give me a slot gap between my GPU's but will give me more SATA ports

Asus P8P67 WS Revolution

500

Pros
Will give me a one slot gap between my GPU's
Support for ivy bridge (if this is wrong please correct me, i've heard of Z68 ivy bridge support but not P67)

Cons
Expensive
No USB 3 Header

If anyone has any other suggestions please let me know. I'm leaning towards the 990FXA-UD7 at the moment but if the 1155 CPU's will give a significant performance boost, they would be worth upgrading to.
Edited by Kieran - 2/20/12 at 9:34am
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post #2 of 10
Honestly, the least expensive/painful way to get things working would be to trade one of your 6950s for a two slot version and use that as the top card.
Quote:
Originally Posted by Kieran View Post

I'm also looking at intel boards. I've recently started doing some audio and video editing for youtube by recording my bass guitar. Would a intel CPU benefit that as well as gaming?

Depending on how much editing/transcoding you do, you could well see more of a benefit here than in gaming.
Quote:
Originally Posted by Kieran View Post

I've also noticed that when playing games such as Saints Row 3 i'm only using about 50% of each GPU. I'm getting quite low fps in this game so i'm also not sure whether my 1055t is bottlenecking my GPU's.

What happens when you disable crossfire?
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post #3 of 10
Just go for a 990FX since you already got 1050t

Sent from my Galaxy Nexus using Tapatalk
post #4 of 10
Thread Starter 
Quote:
Originally Posted by Blameless View Post

Honestly, the least expensive/painful way to get things working would be to trade one of your 6950s for a two slot version and use that as the top card.
Quote:
Originally Posted by Kieran View Post

I'm also looking at intel boards. I've recently started doing some audio and video editing for youtube by recording my bass guitar. Would a intel CPU benefit that as well as gaming?
Depending on how much editing/transcoding you do, you could well see more of a benefit here than in gaming.
Quote:
Originally Posted by Kieran View Post

I've also noticed that when playing games such as Saints Row 3 i'm only using about 50% of each GPU. I'm getting quite low fps in this game so i'm also not sure whether my 1055t is bottlenecking my GPU's.
What happens when you disable crossfire?

I would say i do a small amount of audio/video editing. Mostly my PC is used for creating websites, gaming and browsing the internet.

With crossfire disabled 99% of one of my GPU's is used and i get a higher fps. Could be CPU not be utilising both cards effectively or could it be a bug with the game
Edited by Kieran - 2/21/12 at 3:22am
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post #5 of 10
If you just it for gaming and web dev like I do, the Phenom II should more than enough. I'm not sure about crossfire in the BF3 but it doesn't sound right to me. Does this happen with any other game?
post #6 of 10
Thread Starter 
Quote:
Originally Posted by tr4656 View Post

If you just it for gaming and web dev like I do, the Phenom II should more than enough. I'm not sure about crossfire in the BF3 but it doesn't sound right to me. Does this happen with any other game?

I've just noticed that there is a new crossfire application profile available (CAP).

It states that in saints row 3 it - Resolves stuttering seen when playing in CrossFireX mode.
Also provides Single GPU and CrossFireX performance improvements when running in lower resolution configurations

http://downloads.guru3d.com/AMD-Catalyst-Application-Profile---11.8-CAP3-download-2782.html

So this could potentially solve the problem. I'll check tonight to see whether any other games are affected

Staying with my currentt CPU will allow me to either upgrade to a bigger SSD or a bigger hard drive.
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post #7 of 10
Thread Starter 
Bump
Skylake
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post #8 of 10
Thread Starter 
I have now sold both of my 6950 direct CU II's and will be going for 2 of the dirt 3 edition 6950's from sapphire. So now i am looking for recommendations on the which board i should get with the new setup (2 dual slot cards instead of 2 three slot cards).
Skylake
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post #9 of 10
from my experience stick with asus, Maximus boards or sabertooth but for pci-e 3.0 compatibility to future proof your rig make shure you get a gen 3 due to claims pcie 3.0 is 2x faster then pcie 2 i run nvidia cards so i have no issues with heat, also what case are you using there are antec cases that have side intake fans that are between the graffix cards to keep them cool

if it was me the thermal armor of the sabertooth board with a 5 dollar northbridge fan did the trick for me
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post #10 of 10
Thread Starter 
Quote:
Originally Posted by cmgman View Post

from my experience stick with asus, Maximus boards or sabertooth but for pci-e 3.0 compatibility to future proof your rig make shure you get a gen 3 due to claims pcie 3.0 is 2x faster then pcie 2 i run nvidia cards so i have no issues with heat, also what case are you using there are antec cases that have side intake fans that are between the graffix cards to keep them cool
if it was me the thermal armor of the sabertooth board with a 5 dollar northbridge fan did the trick for me

I'm currently looking at the Asus Sabertooth 990FX, Gigabyte GA-990FXA-UD3 (cheapest) and the Asus Crosshair V Formula (comes with free game). I haven't yet seen any Gen 3 motherboards available on the AM3+ platform.

I am using a HAF 932 with a 200mm side intake fan.
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Skylake
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