GPUBoss Review Our evaluation of 7850 vs 7770 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

No winner declared

Too close to call

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VS

AMD Radeon HD 7850

GPUBoss Winner
Front view of Radeon HD 7850

Differences What are the advantages of each

Front view of Radeon HD 7850

Reasons to consider the
AMD Radeon HD 7850

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Significantly higher memory bandwidth 153.6 GB/s vs 72 GB/s Around 2.2x higher memory bandwidth
Better 3DMark vantage graphics score 23,350 vs 13,398 Around 75% better 3DMark vantage graphics score
Better PassMark score 3,813 vs 2,194 Around 75% better PassMark score
Better 3DMark 11 graphics score 6,510 vs 3,098 More than 2x better 3DMark 11 graphics score
More memory 2,048 MB vs 1,024 MB 2x more memory
Slightly better 3DMark06 score 20,570 vs 19,307 More than 5% better 3DMark06 score
More render output processors 32 vs 16 Twice as many render output processors
Higher pixel rate 27.52 GPixel/s vs 16 GPixel/s More than 70% higher pixel rate
Slightly better floating-point performance 1,761.3 GFLOPS vs 1,280 GFLOPS Around 40% better floating-point performance
Slightly higher effective memory clock speed 4,800 MHz vs 4,500 MHz More than 5% higher effective memory clock speed
Better fire strike factor score 43.94 vs 30.64 Around 45% better fire strike factor score
Significantly wider memory bus 256 bit vs 128 bit 2x wider memory bus
Slightly higher texture rate 55 GTexel/s vs 40 GTexel/s Around 40% higher texture rate
More shading units 1,024 vs 640 384 more shading units
More texture mapping units 64 vs 40 24 more texture mapping units
More compute units 16 vs 10 6 more compute units
Better face detection score 45.68 mPixels/s vs 33.84 mPixels/s More than 35% better face detection score
Better PassMark direct compute score 1,854 vs 1,403 More than 30% better PassMark direct compute score
Higher memory clock speed 1,200 MHz vs 1,125 MHz More than 5% higher memory clock speed
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 860 MHz More than 15% higher clock speed
Higher crysis 3 framerate 48 vs 35 More than 35% higher crysis 3 framerate
Lower TDP 80W vs 130W Around 40% lower TDP

Benchmarks Real world tests of Radeon HD 7850 vs 7770

Bitcoin mining Data courtesy CompuBench

Radeon HD 7850
249.48 mHash/s
Radeon HD 7770
153.66 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 7850
45.68 mPixels/s
Radeon HD 7770
33.84 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7850
3,109.76
Radeon HD 7770
3,113.11

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7850
3,714.92
Radeon HD 7770
3,628.01

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Battlefield 3

Reviews Word on the street

Radeon HD 7850  vs 7770 

9.1
8.7
We see very good overclocking potential for GPU clock, which is the best of all HD 7850 cards that we've reviewed so far.
Radeon HD 7850

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