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Differences What are the advantages of each

Front view of Radeon HD 6870

Reasons to consider the
MSI Radeon HD 6870

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Better PassMark score 2,594 vs 1,535 Around 70% better PassMark score
Much better sky diver factor score 217.52 vs 2.27 Around 96x better sky diver factor score
Higher pixel rate 29.76 GPixel/s vs 16 GPixel/s More than 85% higher pixel rate
More render output processors 32 vs 16 Twice as many render output processors
Slightly better floating-point performance 2,083 GFLOPS vs 1,600 GFLOPS More than 30% better floating-point performance
More shading units 1,120 vs 800 320 more shading units
More texture mapping units 56 vs 40 16 more texture mapping units
Slightly more compute units 14 vs 10 4 more compute units
Lower TDP 151W vs 190W More than 20% lower TDP
Front view of Radeon HD 4890

Reasons to consider the
XFX Radeon HD 4890

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Slightly higher clock speed 1,000 MHz vs 930 MHz Around 10% higher clock speed

Benchmarks Real world tests of Radeon HD 6870 vs 4890

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 6870
Radeon HD 4890

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

Reviews Word on the street

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