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Differences What are the advantages of each

Front view of GeForce GT 720M

Reasons to consider the
Nvidia GeForce GT 720M

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GPUBoss is not aware of any important advantages of the 720M vs the 640M.

Front view of GeForce GT 640M

Reasons to consider the
Nvidia GeForce GT 640M

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Much higher dead space 3 framerate 32.6 fps vs 18.1 fps More than 80% higher dead space 3 framerate
Better PassMark score 932 vs 542 More than 70% better PassMark score
Better 3DMark 11 graphics score 10,625.5 vs 7,896 Around 35% better 3DMark 11 graphics score
Better 3DMark vantage graphics score 6,348 vs 3,931.5 More than 60% better 3DMark vantage graphics score
Higher diablo III framerate 42.7 fps vs 31.8 fps Around 35% higher diablo III framerate
More render output processors 16 vs 8 Twice as many render output processors
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
More shading units 384 vs 96 288 more shading units
More texture mapping units 32 vs 16 Twice as many texture mapping units
Higher BioShock infinite framerate 14.3 fps vs 7.4 fps Around 95% higher BioShock infinite framerate
Higher memory clock speed 900 MHz vs 800 MHz Around 15% higher memory clock speed

Benchmarks Real world tests of GeForce GT 720M vs 640M

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

3DMark 11 Graphics Industry standard benchmark that tests DirectX 11 GPU performance

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

BioShock Infinite 1920 x 1080 - Ultra preset + DX11 (DDOF)

GeForce GT 720M
7.4 fps
GeForce GT 640M
14.3 fps

Dead Space 3 1920 x 1080 - Very High preset

GeForce GT 720M
18.1 fps
GeForce GT 640M
32.6 fps

PassMark Direct Compute Measures performance of general-purpose computing using Microsoft DirectCompute

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