GPUBoss Review Our evaluation of 745 vs 660 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

7

Overall Score

Winner
Nvidia GeForce GTX 660 

GPUBoss recommends the Nvidia GeForce GTX 660  based on its benchmarks and compute performance.

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VS

Differences What are the advantages of each

Front view of GeForce GTX 745

Reasons to consider the
Nvidia GeForce GTX 745

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Higher clock speed 1,033 MHz vs 823 MHz More than 25% higher clock speed
More memory 4,096 MB vs 2,048 MB 2x more memory
Higher turbo clock speed 1,085 MHz vs 888 MHz More than 20% higher turbo clock speed
Lower TDP 55W vs 130W 2.4x lower TDP
Front view of GeForce GTX 660

Reasons to consider the
Nvidia GeForce GTX 660

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Much higher memory bandwidth 179.2 GB/s vs 28.8 GB/s Around 6.2x higher memory bandwidth
Significantly higher effective memory clock speed 5,600 MHz vs 1,800 MHz More than 3x higher effective memory clock speed
Better PassMark score 4,118 vs 2,167 More than 90% better PassMark score
Higher texture rate 79 GTexel/s vs 24.79 GTexel/s Around 3.2x higher texture rate
Better floating-point performance 1,896.2 GFLOPS vs 793.3 GFLOPS Around 2.5x better floating-point performance
Significantly more texture mapping units 96 vs 24 72 more texture mapping units
Significantly better manhattan score 3,718.88 vs 3,428.34 Around 10% better manhattan score
More shading units 1,152 vs 384 Three times as many shading units
Significantly higher memory clock speed 1,400 MHz vs 900 MHz More than 55% higher memory clock speed
More render output processors 32 vs 16 Twice as many render output processors
Better fire strike factor score 44.33 vs 27.7 More than 60% better fire strike factor score
Better T-Rex score 3.07 frames/s vs 1.49 frames/s More than 2x better T-Rex score
Better PassMark direct compute score 1,932 vs 1,018 Around 90% better PassMark direct compute score

Benchmarks Real world tests of GeForce GTX 745 vs 660

Bitcoin mining Data courtesy CompuBench

GeForce GTX 745
96.34 mHash/s
GeForce GTX 660
66.49 mHash/s

Face detection Data courtesy CompuBench

GeForce GTX 745
23.88 mPixels/s
GeForce GTX 660
30.72 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GTX 745
335.34 frames/s
GeForce GTX 660
1,039.33 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 745
3,326.88
GeForce GTX 660
3,359.77

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 745
3,428.34
GeForce GTX 660
3,718.88

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

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