PowerColor HD 7870 Devil 2048 MB Review 17

PowerColor HD 7870 Devil 2048 MB Review

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The Radeon HD 7870 is now one and a half years old. Its GPU, Pitcairn, is a downscale from the HD 7900 "Tahiti" silicon that introduced AMD's Graphics Core Next architecture. Targeting a wide price-range, the HD 7800 series falls into the market-segment both AMD and NVIDIA have referred to as the "sweet spot". Apart from 1280 stream processors, Pitcairn has 80 Texture Memory Units (TMUs), 32 ROPs (Raster Operations), and a 256-bit wide GDDR5 memory interface holding 2 GB of memory.

PowerColor's HD 7870 Devil is based on the Pitcairn GPU (not Tahiti LE). Heavily overclocked to speeds of 1100 MHz GPU and 1250 MHz memory, the card comes with a large triple fan cooler that covers the card's whole surface. According to PowerColor, the card will retail at $240.

HD 7870 Market Segment Analysis
HD 7850
GeForce GTX
650 Ti Boost
GTX 660
HD 7870
PowerColor HD
7870 Devil
GTX 580
GTX 660 Ti
GTX 760
HD 7950
GTX 670
Shader Units1024768960128012805121344115217921344
Graphics ProcessorPitcairnGK106GK106PitcairnPitcairnGF110GK104GK104TahitiGK104
Memory Size2048 MB2048 MB2048 MB2048 MB2048 MB1536 MB2048 MB2048 MB3072 MB2048 MB
Memory Bus Width256 bit192 bit192 bit256 bit256 bit384 bit192 bit256 bit384 bit256 bit
Core Clock860 MHz980 MHz+980 MHz+1000 MHz1100 MHz772 MHz915 MHz+980 MHz+800 MHz915 MHz+
Memory Clock1200 MHz1502 MHz1502 MHz1200 MHz1250 MHz1002 MHz1502 MHz1502 MHz1250 MHz1502 MHz
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