GPUBoss Review Our evaluation of 7770 vs 6870 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

6.6

Overall Score

Winner
AMD Radeon HD 7770 

GPUBoss recommends the AMD Radeon HD 7770  based on its compute performance and noise and power.

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VS

AMD Radeon HD 7770

GPUBoss Winner
Front view of Radeon HD 7770

Differences What are the advantages of each

Front view of Radeon HD 7770

Reasons to consider the
AMD Radeon HD 7770

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Much better 3DMark06 score 19,307 vs 4,218 More than 4.5x better 3DMark06 score
Slightly higher clock speed 1,000 MHz vs 930 MHz Around 10% higher clock speed
Slightly higher memory clock speed 1,125 MHz vs 1,050 MHz More than 5% higher memory clock speed
Lower TDP 80W vs 151W More than 45% lower TDP
Front view of Radeon HD 6870

Reasons to consider the
MSI Radeon HD 6870

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Much better 3DMark 11 graphics score 23,860 vs 3,098 Around 7.8x better 3DMark 11 graphics score
Higher memory bandwidth 134.4 GB/s vs 72 GB/s More than 85% higher memory bandwidth
Better 3DMark vantage graphics score 16,393 vs 13,398 More than 20% better 3DMark vantage graphics score
Better floating-point performance 2,083 GFLOPS vs 1,280 GFLOPS Around 65% better floating-point performance
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
Better T-Rex score 1.35 frames/s vs -1 frames/s More than 225% better T-Rex score
More shading units 1,120 vs 640 480 more shading units
Wider memory bus 256 bit vs 128 bit 2x wider memory bus
Better cloud gate factor score 18.25 vs 16.18 Around 15% better cloud gate factor score
More texture mapping units 56 vs 40 16 more texture mapping units
Higher battlefield 3 framerate 45 vs 40 Around 15% higher battlefield 3 framerate
Slightly more compute units 14 vs 10 4 more compute units

Benchmarks Real world tests of Radeon HD 7770 vs 6870

Bitcoin mining Data courtesy CompuBench

Radeon HD 7770
153.66 mHash/s
Radeon HD 6870
184.53 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 7770
32.42 mPixels/s
Radeon HD 6870
16.41 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 7770
596.07 frames/s
Radeon HD 6870
857.8 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7770
3,355.14
Radeon HD 6870
3,356.74

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7770
3,701.57
Radeon HD 6870
3,709.21

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Battlefield 3

Reviews Word on the street

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