XFX Radeon HD 6850 HD-685X-ZNFC

XFX's AMD derivative of the 6850 has 1GB of DDR5 memory clocked at 4GHz. It too like the ASUS EAH6850 DirectCu comes with a custom cooler

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XFX Radeon HD 6850 HD-685X-ZNFC The XFX cooler is surprisingly loud when the card is idle and under load
By  Jason Saundalkar Published  January 4, 2011

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Key Specs

API supported: DirectX 11
Connections: DVI x2, HDMI x1, DisplayPort x1
GPU: AMD Radeon HD 6850
GPU frequency: 775MHz
Interface type: PCI-E

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XFX has always built two or more cards around every GPU it can get its hands on. With the new 6850, it's the same story, the card on test here is known as the HD-685X-ZNFC and follows AMD's reference specs.

As a result the card's Radeon 6850 GPU runs at 775MHz, whereas its 1GB of high-speed GDDR5 memory is clocked at 4GHz. The graphics card also supports AMD's CrossFireX multi-GPU technology and ‘Eyefinity' multi-monitor support.

Although XFX has followed AMD's frequency specifications, it has opted for a custom cooler, like the Asus EAH6850 DirectCu. Unfortunately, whereas the Asus cooler proved unobtrusive when the card was idle and under load, the XFX proved quite a vocal cooler. Even in a closed case under our desk we could hear the card's cooler whirring away when we were benchmarking it. If you demand silence then the XFX 6850 isn't for you.

Owing to its reference core and memory clock frequencies the XFX returned results that mirrored those of the AMD reference 6850 card. At 1680 x 1050 pixels the card posted results of 72fps, 53fps and 33.2fps in our H.A.W.X, World in Conflict and Heaven v2.0 tests. The reference card managed figures of 73fps, 53fps and 33.3fps. Sadly, the XFX proved much slower than the less expensive Asus EAH6850 DirectCu across the board.

Verdict:A very noisy cooling solution and basic overall performance make the XFX Radeon HD 6850 a difficult pill to swallow.

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