GPUBoss Review Our evaluation of 6750M vs 640M among Laptop 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

5.8

Overall Score

Winner
Nvidia GeForce GT 640M 

GPUBoss recommends the Nvidia GeForce GT 640M  based on its benchmarks.

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VS

Differences What are the advantages of each

Front view of Radeon HD 6750M

Reasons to consider the
AMD Radeon HD 6750M

Report a correction
Slightly more shading units 480 vs 384 96 more shading units
Front view of GeForce GT 640M

Reasons to consider the
Nvidia GeForce GT 640M

Report a correction
More memory 2,048 MB vs 1,024 MB 2x more memory
Slightly better 3DMark vantage graphics score 6,348 vs 4,512 More than 40% better 3DMark vantage graphics score
More render output processors 16 vs 8 Twice as many render output processors
Higher memory clock speed 900 MHz vs 800 MHz Around 15% higher memory clock speed

Benchmarks Real world tests of Radeon HD 6750M vs GeForce GT 640M

Bitcoin mining Data courtesy CompuBench

Radeon HD 6750M
30.43 mHash/s
GeForce GT 640M
17.38 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 6750M
4.37 mPixels/s
GeForce GT 640M
7.86 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 6750M
255.45 frames/s
GeForce GT 640M
275.97 frames/s

Particle simulation Data courtesy CompuBench

Radeon HD 6750M
94.05 mInteraction/s
GeForce GT 640M
97.1 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon HD 6750M
0.35 frames/s
GeForce GT 640M
0.73 frames/s

Video composition Data courtesy CompuBench

Radeon HD 6750M
12.26 frames/s
GeForce GT 640M
15.44 frames/s

Crysis 2

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