GPUBoss Review Our evaluation of 620M vs 920M 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

6.3

Overall Score

Winner
Nvidia GeForce 920M 

GPUBoss recommends the Nvidia GeForce 920M  based on its gaming, benchmarks and compute performance.

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VS
Front view of GeForce 920M

Nvidia GeForce 920M

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
Lower TDP 15W vs 33W 2.2x lower TDP
Front view of GeForce 920M

Reasons to consider the
Nvidia GeForce 920M

Report a correction
Significantly higher clock speed 954 MHz vs 660 MHz Around 45% higher clock speed
Much better T-Rex score 3,364.22 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 1,731 vs 933.5 More than 85% better 3DMark06 score
Slightly better floating-point performance 732.7 GFLOPS vs 253.44 GFLOPS Around 3x better floating-point performance
Significantly higher diablo III framerate 36.65 fps vs 21.12 fps Around 75% higher diablo III framerate
Higher texture rate 30.53 GTexel/s vs 10.56 GTexel/s Around 3x higher texture rate
More render output processors 16 vs 4 12 more render output processors
More shading units 384 vs 96 288 more shading units
More texture mapping units 32 vs 16 Twice as many texture mapping units
Better PassMark direct compute score 648 vs 370 More than 75% better PassMark direct compute score

Benchmarks Real world tests of GeForce GT 620M vs 920M

Bitcoin mining Data courtesy CompuBench

GeForce GT 620M
16.61 mHash/s
GeForce 920M
40.41 mHash/s

Face detection Data courtesy CompuBench

GeForce GT 620M
4.23 mPixels/s
GeForce 920M
8.36 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GT 620M
161.14 frames/s
GeForce 920M
157.17 frames/s

Particle simulation Data courtesy CompuBench

GeForce GT 620M
33.89 mInteraction/s
GeForce 920M
161.39 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

GeForce GT 620M
0.52 frames/s
GeForce 920M
0.84 frames/s

Video composition Data courtesy CompuBench

GeForce GT 620M
7.15 frames/s
GeForce 920M
15.36 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 620M
1,668.19
GeForce 920M
3,364.22

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 620M
1,834.7
GeForce 920M
3,691.45

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