GPUBoss Review Our evaluation of 620M vs 940MX 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

7.9

Overall Score

Winner
Nvidia GeForce 940MX 

GPUBoss recommends the Nvidia GeForce 940MX  based on its benchmarks and compute performance.

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VS
Front view of GeForce 940MX

Nvidia GeForce 940MX

GPUBoss Winner

Differences What are the advantages of each

Front view of GeForce GT 620M

Reasons to consider the
Nvidia GeForce GT 620M

Report a correction
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Front view of GeForce 940MX

Reasons to consider the
Nvidia GeForce 940MX

Report a correction
Much higher clock speed 1,122 MHz vs 660 MHz 70% higher clock speed
Better 3DMark 11 graphics score 14,211 vs 7,462 More than 90% better 3DMark 11 graphics score
Better 3DMark06 score 2,834.5 vs 933.5 More than 3x better 3DMark06 score
Much better T-Rex score 3,357.58 vs 1,668.19 More than 2x better T-Rex score
Better 3DMark vantage graphics score 7,646 vs 3,675.5 More than 2x better 3DMark vantage graphics score
Better PassMark score 1,225 vs 559 Around 2.2x better PassMark score
More memory 2,048 MB vs 1,024 MB 2x more memory
Better floating-point performance 861.7 GFLOPS vs 253.44 GFLOPS Around 3.5x better floating-point performance
Higher texture rate 26.93 GTexel/s vs 10.56 GTexel/s More than 2.5x higher texture rate
Slightly higher pixel rate 8.98 GPixel/s vs 2.64 GPixel/s Around 3.5x higher pixel rate
More shading units 384 vs 96 288 more shading units
Slightly better ocean surface simulation score 313.03 frames/s vs 161.14 frames/s Around 95% better ocean surface simulation score
Higher memory clock speed 1,001 MHz vs 900 MHz More than 10% higher memory clock speed
Better PassMark direct compute score 912 vs 370 Around 2.5x better PassMark direct compute score

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

Bitcoin mining Data courtesy CompuBench

GeForce GT 620M
16.61 mHash/s
GeForce 940MX
103.58 mHash/s

Face detection Data courtesy CompuBench

GeForce GT 620M
4.23 mPixels/s
GeForce 940MX
30.45 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GT 620M
161.14 frames/s
GeForce 940MX
313.03 frames/s

Particle simulation Data courtesy CompuBench

GeForce GT 620M
33.89 mInteraction/s
GeForce 940MX
334.85 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

GeForce GT 620M
0.52 frames/s
GeForce 940MX
1.85 frames/s

Video composition Data courtesy CompuBench

GeForce GT 620M
7.15 frames/s
GeForce 940MX
28.08 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 620M
1,668.19
GeForce 940MX
3,357.58

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 620M
1,692.64
GeForce 940MX
3,681.82

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