GPUBoss Review Our evaluation of 7770 vs 6850 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 benchmarks and noise and power.

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VS

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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Higher clock speed 1,000 MHz vs 775 MHz Around 30% higher clock speed
Better 3DMark06 score 19,307 vs 15,040 Around 30% better 3DMark06 score
Higher effective memory clock speed 4,500 MHz vs 4,000 MHz Around 15% higher effective memory clock speed
Higher battlefield 4 framerate 45 vs 15 3x higher battlefield 4 framerate
Better sky diver factor score 221.64 vs 181.77 More than 20% better sky diver factor score
Higher memory clock speed 1,125 MHz vs 1,000 MHz Around 15% higher memory clock speed
Lower TDP 80W vs 127W More than 35% lower TDP
Front view of Radeon HD 6850

Reasons to consider the
AMD Radeon HD 6850

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Higher memory bandwidth 128 GB/s vs 72 GB/s Around 80% higher memory bandwidth
More render output processors 32 vs 16 Twice as many render output processors
Better T-Rex score 1.33 frames/s vs -1 frames/s More than 225% better T-Rex score
Higher pixel rate 24.8 GPixel/s vs 16 GPixel/s More than 55% higher pixel rate
Wider memory bus 256 bit vs 128 bit 2x wider memory bus
More shading units 960 vs 640 320 more shading units

Benchmarks Real world tests of Radeon HD 7770 vs 6850

Bitcoin mining Data courtesy CompuBench

Radeon HD 7770
153.66 mHash/s
Radeon HD 6850
139.31 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 7770
32.42 mPixels/s
Radeon HD 6850
13.02 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7770
3,355.14
Radeon HD 6850
3,353.74

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7770
3,701.57
Radeon HD 6850
3,203.43

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Battlefield 4

Reviews Word on the street

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