GPUBoss Review Our evaluation of 650 vs 645 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 645 

GPUBoss recommends the Nvidia GeForce GTX 645  based on its .

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VS

Differences What are the advantages of each

Front view of GeForce GTX 650

Reasons to consider the
Colorful GeForce GTX 650

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Higher clock speed 1,058 MHz vs 824 MHz Around 30% higher clock speed
Higher effective memory clock speed 5,000 MHz vs 4,000 MHz 25% higher effective memory clock speed
Slightly higher memory bandwidth 80 GB/s vs 64 GB/s 25% higher memory bandwidth
Higher memory clock speed 1,250 MHz vs 1,000 MHz 25% higher memory clock speed
Front view of GeForce GTX 645

Reasons to consider the
Nvidia GeForce GTX 645

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Better T-Rex score 4,112.75 vs 3,356.89 Around 25% better T-Rex score
Slightly more texture mapping units 48 vs 32 16 more texture mapping units
More SMX units 3 vs 2 1 more SMX units

Benchmarks Real world tests of GeForce GTX 650 vs 645

Bitcoin mining Data courtesy CompuBench

GeForce GTX 650
23.34 mHash/s
GeForce GTX 645
38.66 mHash/s

Face detection Data courtesy CompuBench

GeForce GTX 650
13.19 mPixels/s
GeForce GTX 645
13.8 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GTX 650
455.91 frames/s
GeForce GTX 645
508.71 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 650
3,356.89
GeForce GTX 645
4,112.75

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 650
3,459.61
GeForce GTX 645
3,571.68

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

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