GPUBoss Review Our evaluation of 620M vs 940M among Laptop GPUs under 35W TDP

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan and Cloud Gate Factor

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 30 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 30 more

Noise and Power

TDP, Idle Power Consumption, Load Power Consumption and 2 more

7.5

Overall Score

Winner
Nvidia GeForce 940M 

GPUBoss recommends the Nvidia GeForce 940M  based on its gaming, benchmarks and compute performance.

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VS
Front view of GeForce 940M

Nvidia GeForce 940M

GPUBoss Winner

Differences What are the advantages of each

Front view of GeForce GT 620M

Reasons to consider the
Nvidia GeForce GT 620M

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Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Slightly lower TDP 15W vs 33W 2.2x lower TDP
Front view of GeForce 940M

Reasons to consider the
Nvidia GeForce 940M

Report a correction
Much higher clock speed 1,072 MHz vs 660 MHz More than 60% higher clock speed
Better 3DMark 11 graphics score 11,920 vs 7,462 Around 60% better 3DMark 11 graphics score
Much higher diablo III framerate 53.8 fps vs 21.12 fps More than 2.5x higher diablo III framerate
Much better T-Rex score 3,361.82 vs 1,668.19 More than 2x better T-Rex score
More memory 2,048 MB vs 1,024 MB 2x more memory
Better 3DMark06 score 2,427 vs 933.5 More than 2.5x better 3DMark06 score
Slightly better 3DMark vantage graphics score 6,942.5 vs 3,675.5 Around 90% better 3DMark vantage graphics score
Better floating-point performance 823.3 GFLOPS vs 253.44 GFLOPS Around 3.2x better floating-point performance
Higher texture rate 25.73 GTexel/s vs 10.56 GTexel/s Around 2.5x higher texture rate
Slightly higher pixel rate 8.58 GPixel/s vs 2.64 GPixel/s Around 3.2x higher pixel rate
More shading units 384 vs 96 288 more shading units
Slightly better T-Rex score 1.3 frames/s vs 0.52 frames/s More than 2.5x better T-Rex score

Benchmarks Real world tests of GeForce GT 620M vs 940M

Bitcoin mining Data courtesy CompuBench

GeForce GT 620M
16.61 mHash/s
GeForce 940M
101.19 mHash/s

Face detection Data courtesy CompuBench

GeForce GT 620M
4.23 mPixels/s
GeForce 940M
25.59 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GT 620M
161.14 frames/s
GeForce 940M
167.97 frames/s

Particle simulation Data courtesy CompuBench

GeForce GT 620M
33.89 mInteraction/s
GeForce 940M
263.21 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

GeForce GT 620M
0.52 frames/s
GeForce 940M
1.3 frames/s

Video composition Data courtesy CompuBench

GeForce GT 620M
7.15 frames/s
GeForce 940M
21.82 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 620M
1,668.19
GeForce 940M
3,361.82

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 620M
1,692.64
GeForce 940M
3,713.26

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