GPUBoss Review Our evaluation of 7870 vs 6970 among Desktop GPUs

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

TDP, Idle Power Consumption, Load Power Consumption and 2 more

6.8

Overall Score

Winner
AMD Radeon HD 6970 

GPUBoss recommends the AMD Radeon HD 6970  based on its benchmarks.

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VS
Front view of Radeon HD 6970

AMD Radeon HD 6970

GPUBoss Winner

Differences What are the advantages of each

Front view of Radeon HD 7870

Reasons to consider the
AMD Radeon HD 7870

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Better PassMark score 4,339 vs 3,493 Around 25% better PassMark score
Higher clock speed 1,000 MHz vs 880 MHz Around 15% higher clock speed
Significantly better T-Rex score 4.68 frames/s vs 1.83 frames/s More than 2.5x better T-Rex score
Better fire strike factor score 50.19 vs 37.18 Around 35% better fire strike factor score
Better PassMark direct compute score 2,360 vs 1,399 Around 70% better PassMark direct compute score
Significantly lower TDP 175W vs 250W 30% lower TDP
Front view of Radeon HD 6970

Reasons to consider the
AMD Radeon HD 6970

Report a correction
Much better 3DMark 11 graphics score 24,035 vs 6,194 Around 4x better 3DMark 11 graphics score
Much better manhattan score 4,650.2 vs 1,859.5 More than 2.5x better manhattan score
Higher effective memory clock speed 5,500 MHz vs 4,800 MHz Around 15% higher effective memory clock speed
Higher memory bandwidth 176 GB/s vs 153.6 GB/s Around 15% higher memory bandwidth
Significantly higher battlefield 4 framerate 90 vs 43 More than 2x higher battlefield 4 framerate
More shading units 1,536 vs 1,280 256 more shading units
More texture mapping units 96 vs 80 16 more texture mapping units
Higher memory clock speed 1,375 MHz vs 1,200 MHz Around 15% higher memory clock speed
More compute units 24 vs 20 4 more compute units

Benchmarks Real world tests of Radeon HD 7870 vs 6970

Bitcoin mining Data courtesy CompuBench

Radeon HD 7870
294.21 mHash/s
Radeon HD 6970
274.06 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 7870
60.32 mPixels/s
Radeon HD 6970
18.68 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7870
1,680.46
Radeon HD 6970
4,200.2

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7870
1,859.5
Radeon HD 6970
4,650.2

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Battlefield 4

Battlefield 3

Reviews Word on the street

Radeon HD 7870  vs 6970 

8.8
8.2
Looking at performance-per-watt in games, the HD 7870 jokerCard is the least power-efficient card from AMD.
Radeon HD 7870

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