GPUBoss Review Our evaluation of 7770 vs 820M among all 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

Noise and Power

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

6.5

Overall Score

Winner
AMD Radeon HD 7770 

GPUBoss recommends the AMD Radeon HD 7770  based on its gaming, benchmarks and compute performance.

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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 1,266.5 Around 15.2x better 3DMark06 score
Significantly higher clock speed 1,000 MHz vs 625 MHz 60% higher clock speed
Significantly higher effective memory clock speed 4,500 MHz vs 1,800 MHz 2.5x higher effective memory clock speed
Better PassMark score 2,194 vs 600 Around 3.8x better PassMark score
Better 3DMark vantage graphics score 13,398 vs 4,254 Around 3.2x better 3DMark vantage graphics score
Much higher dead space 3 framerate 60.2 fps vs 21.7 fps More than 2.8x higher dead space 3 framerate
Higher memory bandwidth 72 GB/s vs 14.4 GB/s 5x higher memory bandwidth
Much higher diablo III framerate 86.3 fps vs 33.9 fps More than 2.5x higher diablo III framerate
Better floating-point performance 1,280 GFLOPS vs 240 GFLOPS More than 5.2x better floating-point performance
Significantly better fire strike factor score 30.64 vs 7.57 More than 4x better fire strike factor score
Higher pixel rate 16 GPixel/s vs 2.5 GPixel/s Around 6.5x higher pixel rate
Higher texture rate 40 GTexel/s vs 10 GTexel/s 4x higher texture rate
More shading units 640 vs 96 544 more shading units
More texture mapping units 40 vs 16 24 more texture mapping units
More render output processors 16 vs 8 Twice as many render output processors
Higher memory clock speed 1,125 MHz vs 900 MHz 25% higher memory clock speed
Better PassMark direct compute score 1,403 vs 550 More than 2.5x better PassMark direct compute score
Higher BioShock infinite framerate 24.7 fps vs 8.1 fps More than 3x higher BioShock infinite framerate
Front view of GeForce 820M

Reasons to consider the
Nvidia GeForce 820M

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Better 3DMark 11 graphics score 7,518 vs 3,098 Around 2.5x better 3DMark 11 graphics score
Better T-Rex score 0.7 frames/s vs -1 frames/s Around 175% better T-Rex score
Lower TDP 15W vs 80W 5.3x lower TDP

Benchmarks Real world tests of Radeon HD 7770 vs GeForce 820M

Bitcoin mining Data courtesy CompuBench

Radeon HD 7770
153.66 mHash/s
GeForce 820M
23.26 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 7770
32.42 mPixels/s
GeForce 820M
7.69 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 7770
596.07 frames/s
GeForce 820M
160.28 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7770
3,355.14
GeForce 820M
3,352.98

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7770
3,701.57
GeForce 820M
3,533.46

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

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