GPUBoss Review Our evaluation of 7770 vs 660 Ti 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

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 915 MHz Around 10% higher clock speed
Lower TDP 80W vs 150W More than 45% lower TDP
Front view of GeForce GTX 660 Ti

Reasons to consider the
Generic GeForce GTX 660 Ti

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Significantly better 3DMark vantage graphics score 27,687 vs 13,398 More than 2x better 3DMark vantage graphics score
Better PassMark score 4,686 vs 2,194 Around 2.2x better PassMark score
Better 3DMark 11 graphics score 8,415 vs 3,098 Around 2.8x better 3DMark 11 graphics score
Significantly higher memory bandwidth 144.2 GB/s vs 72 GB/s More than 2x higher memory bandwidth
Significantly higher effective memory clock speed 6,008 MHz vs 4,500 MHz Around 35% higher effective memory clock speed
Better 3DMark06 score 22,997 vs 19,307 Around 20% better 3DMark06 score
Higher texture rate 102.5 GTexel/s vs 40 GTexel/s More than 2.5x higher texture rate
Better floating-point performance 2,459.5 GFLOPS vs 1,280 GFLOPS More than 90% better floating-point performance
Significantly more texture mapping units 112 vs 40 72 more texture mapping units
More memory 2,048 MB vs 1,024 MB 2x more memory
Significantly better T-Rex score 3.04 frames/s vs -1 frames/s More than 400% better T-Rex score
Significantly better cloud gate factor score 20.13 vs 16.18 Around 25% better cloud gate factor score
More shading units 1,344 vs 640 704 more shading units
Significantly higher BioShock infinite framerate 62.9 fps vs 24.7 fps More than 2.5x higher BioShock infinite framerate
Higher pixel rate 25.62 GPixel/s vs 16 GPixel/s More than 60% higher pixel rate
Significantly higher crysis 3 framerate 30.3 fps vs 12.6 fps Around 2.5x higher crysis 3 framerate
Significantly higher memory clock speed 1,502 MHz vs 1,125 MHz Around 35% higher memory clock speed
More render output processors 24 vs 16 8 more render output processors
Better PassMark direct compute score 2,546 vs 1,403 More than 80% better PassMark direct compute score
Higher battlefield 3 framerate 46.4 vs 40 More than 15% higher battlefield 3 framerate
Wider memory bus 192 bit vs 128 bit 50% wider memory bus

Benchmarks Real world tests of Radeon HD 7770 vs GeForce GTX 660 Ti

Bitcoin mining Data courtesy CompuBench

Radeon HD 7770
153.66 mHash/s
GeForce GTX 660 Ti
102.46 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 7770
32.42 mPixels/s
GeForce GTX 660 Ti
35.9 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Reviews Word on the street

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