GPUBoss Review Our evaluation of 460 vs 640 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

6.6

Overall Score

Winner
Leadtek GeForce GT 640 

GPUBoss recommends the Leadtek GeForce GT 640  based on its noise and power.

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VS

Differences What are the advantages of each

Front view of GeForce GTX 460

Reasons to consider the
Nvidia GeForce GTX 460

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Significantly higher memory bandwidth 115.2 GB/s vs 28.8 GB/s 4x higher memory bandwidth
Higher effective memory clock speed 3,600 MHz vs 1,800 MHz 2x higher effective memory clock speed
More render output processors 32 vs 16 Twice as many render output processors
More texture mapping units 56 vs 32 24 more texture mapping units
Better sky diver factor score 188.17 vs 145.03 Around 30% better sky diver factor score
Front view of GeForce GT 640

Reasons to consider the
Leadtek GeForce GT 640

Report a correction
Higher clock speed 902 MHz vs 675 MHz Around 35% higher clock speed
Significantly lower TDP 65W vs 160W 2.5x lower TDP

Benchmarks Real world tests of GeForce GTX 460 vs GT 640

Bitcoin mining Data courtesy CompuBench

GeForce GTX 460
66.26 mHash/s
GeForce GT 640
24.12 mHash/s

Face detection Data courtesy CompuBench

GeForce GTX 460
21.38 mPixels/s
GeForce GT 640
9.83 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GTX 460
603.15 frames/s
GeForce GT 640
209.1 frames/s

Particle simulation Data courtesy CompuBench

GeForce GTX 460
189.37 mInteraction/s
GeForce GT 640
126.87 mInteraction/s

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

Reviews Word on the street

GeForce GTX 460  vs GT 640 

9.0
7.2
If you read our other GeForce GTX 460 reviews today you will have noticed that NVIDIA's reference design cooler is very quiet.
GeForce GTX 460

Comments

Showing 1 comment.
Actually, it appears this benchmark is comparing against the Fermi version of the 640, based on the memory bandwidth alone.
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