GPUBoss Review Our evaluation of 460 vs 640


Real world tests using the latest 3D games

crysis: warhead (2013), Crysis: Warhead (2012), Batman: Arkham City and 6 more


Synthetic tests to measure overall performance

PassMark, 3DMark Vantage Texture Fill, 3DMark 11 Graphics and 2 more

Compute Performance

General computing tests executed on the GPU

SmallLuxGPU 2.0d4, SmallLuxGPU 1.7Beta and 5 more

Noise and Power

How loud and hot does the card run idle and under load


No winner declared

We don't have enough data yet to properly compare these products

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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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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
Better cloud gate factor score 16.5 vs 12.94 More than 25% better cloud gate factor score
More render output processors 32 vs 16 Twice as many render output processors
Better fire strike factor score 31.62 vs 19.76 More than 60% better fire strike factor score
Better sky diver factor score 189.62 vs 146.22 Around 30% better sky diver factor score
Slightly more texture mapping units 56 vs 32 24 more texture mapping units
Front view of GeForce GT 640

Reasons to consider the
Leadtek GeForce GT 640

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Significantly higher clock speed 902 MHz vs 675 MHz Around 35% higher clock speed
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
40.61 mHash/s
GeForce GT 640
24.09 mHash/s

Face detection Data courtesy CompuBench

GeForce GTX 460
20.84 mPixels/s
GeForce GT 640
12.51 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GTX 460
732.85 frames/s
GeForce GT 640
300.74 frames/s

Particle simulation Data courtesy CompuBench

GeForce GTX 460
171.41 mInteraction/s
GeForce GT 640
125.64 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

GeForce GTX 460
1.82 frames/s
GeForce GT 640
0.94 frames/s

Video composition Data courtesy CompuBench

GeForce GTX 460
27.22 frames/s
GeForce GT 640
18.48 frames/s

Reviews Word on the street

GeForce GTX 460  vs GT 640 

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


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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