GeForce GT 420M 

Released September, 2010
  • 500 MHz
  • 512 MB DDR3
1.9 Out of 10

GPUBoss Review Our evaluation of the GeForce GT 420M among Laptop GPUs under 35W TDP

Gaming

GeForce GT 420M
n.d.
Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

GeForce GT 420M
0.0
T-Rex, Manhattan and Cloud Gate Factor

Computing

GeForce GT 420M
4.8
Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

GeForce GT 420M
3.4
Battlefield 3, Battlefield 4, Bioshock Infinite and 30 more

Value

GeForce GT 420M
n.d.
Battlefield 3, Battlefield 4, Bioshock Infinite and 30 more

Noise and Power

GeForce GT 420M
7.9
TDP, Idle Power Consumption, Load Power Consumption and 2 more

1.9

Overall Score

GeForce GT 420M
1.9

Benchmarks Real world tests of the GeForce GT 420M

Bitcoin mining Data courtesy CompuBench

GeForce GT 420M
8.1 mHash/s
GeForce 840M
94.68 mHash/s
GeForce 920M
40.41 mHash/s

Face detection Data courtesy CompuBench

GeForce GT 420M
4.33 mPixels/s
GeForce 840M
22.54 mPixels/s
GeForce 920M
8.36 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce GT 420M
162.16 frames/s
GeForce 920M
157.17 frames/s
GeForce 840M
159.36 frames/s

Particle simulation Data courtesy CompuBench

GeForce GT 420M
33.2 mInteraction/s
GeForce 840M
184.99 mInteraction/s
GeForce 920M
161.39 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

GeForce GT 420M
0.43 frames/s
GeForce 840M
1.23 frames/s
GeForce 920M
0.84 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 420M
2,936.79
GeForce 840M
3,359.62
GeForce 920M
3,358.92

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 420M
1,997.16
GeForce 920M
3,685.69
GeForce 840M
1,855.62

Sky Diver Factor Data courtesy FutureMark

GeForce GT 420M
54.53
GeForce 840M
120.22
GeForce 920M
102.8

Specifications Full list of technical specs

gpu

GPU brand Nvidia
GPU name GF108
Market Laptop
Clock speed 500 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 96
Texture mapping units 16
Render output processors 4
Pixel rate 2 GPixel/s
Texture rate 8 GTexel/s
Floating-point performance 192 GFLOPS

memory

Memory clock speed 800 MHz
Effective memory clock speed 1,600 MHz
Memory bus 128 bit
Memory 512 MB
Memory type DDR3
Memory bandwidth 25.6 GB/s

noise and power

TDP 23W
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