PowerColor HD 6870 X2 2 GB

PowerColor HD 6870 X2 2 GB

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Introduction



First seen at Computex this year, PowerColor has designed a unique HD 6870 card with the HD 6870 X2. It unites two Barts processor on a single graphics card running in a CrossFire configuration. This approach enables the PowerColor HD 6870 X2 to end up being classified as high-end graphics card, delivering performance catered to 2560x1600 resolutions or multi-screen setups.



Since the HD 6870 X2 is not an official AMD product, PowerColor could not rely on any AMD reference design as base for their card. This means that PowerColor had to come up with a solution on their own, for example they replaced the PLX/AMD PCI-Express bridge with a chip provided by Lucid. In terms of clock speeds the card follows the frequencies set out by the HD 6870 reference design - just with two GPUs crammed onto a single PCB.

First online listings for the PowerColor HD 6870 X2 suggest a quite high retail price of $520, in this review we'll see whether the card can justify that cost.

Radeon HD 6870 X2 Market Segment Analysis
 Radeon
HD 6870
GeForce
GTX 560
GeForce
GTX 560 Ti
Radeon
HD 6950
GeForce
GTX 570
Radeon
HD 6970
GeForce
GTX 580
PowerColor
HD 6870 X2
Radeon
HD 6990
GeForce
GTX 590
Shader Units1120336384140848015365122x 11202x 15362x 512
ROPs323232324032482x 322x 322x 48
Graphics ProcessorBartsGF114GF114CaymanGF110CaymanGF1102x Barts2x Cayman2x GF110
Transistors1700M1950M1950M2640M3000M2640M3000M2x 1700M2x 2640M2x 3000M
Memory Size1024 MB1024 MB1024 MB2048 MB1280 MB2048 MB1536 MB2x 1024 MB2x 2048 MB2x 1536 MB
Memory Bus Width256 bit256 bit256 bit256 bit320 bit256 bit384 bit2x 256 bit2x 256 bit2x 384 bit
Core Clock900 MHz810 MHz823 MHz800 MHz732 MHz880 MHz772 MHz900 MHz830 MHz607 MHz
Memory Clock1050 MHz1002 MHz1002 MHz1250 MHz950 MHz1375 MHz1002 MHz1050 MHz1250 MHz855 MHz
Price$200$200$230$275$330$370$490$520$725$710
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