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Crossfire Sapphire R9 290X different bios + memory type

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System Name Fietsbel
Processor Intel Core i7 4790K
Motherboard Asus Maximus VII Hero Z97
Cooling Gelid Tranquillo Rev.2
Memory Crucial Ballistix Tactical 8GB (2x 4GB 1600Mhz)
Video Card(s) Sapphire R9 290X Tri-X 4GB OC + Sapphire R9 290X Tri-X 4GB OC
Storage Samsung 840 EVO Basic 250GB + Seagate Barracuda 1TB
Display(s) ASUS PB278Q
Case Corsair Obsidian Series 750D
Power Supply Cooler Master V1000
Software Windows 8.1 Home 64bit
Goodmorning!

I have been running this setup for a year now but only discovered today that my cards are not 100% identical to eachother. They appear to have different bios and memory type settings as shown on the screenshots.
Also it seems that card nr. 1 is running at x8 1.1, and the second at x8 3.0.
Does this actually matter at all?




For what i know everything has been running fine and stable for a year now.
Playing games like BF4 multiplayer on 2560x1440 Ultra settings 125% resolution scaling with a stable 60 FPS (Vsync) for 95% of the time.

Should i be worried or looking at changing some settings to get even better crossfire performance?

Thanks in advance.
 

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the54thvoid

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If you mean the 'Hynix' then nothing to worry about. Hynix is good as is Samsung for graphics memory. Elpida gets a hard time. Companies build the card to a spec and sometimes will use different suppliers as long as they can offer the correct spec. As for BIOS, these can change over time sometimes to address fan speed profiles etc. Nothing at all to worry about.
 

manofthem

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If everything has been fine for a year+ with smooth gaming, I wouldn't start worrying.

The card running at x8 1.1 is likely the power saving feature which will adjust under 3d load. Click the little question mark next to it in gpu-z, and it will explain all that better.
 
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