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/ Comparison of GeForce 820M and GeForce GT 820M
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Comparison of GeForce 820M and GeForce GT 820M
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Attribute
GeForce GT 820M
×
GeForce 820M
×
GPU
Release year (year)
2013
2013
GPU brand
Nvidia
Nvidia
GPU name
GF117
GF117
Market
Laptop
Laptop
Clock speed (MHz)
775
625
Is dual GPU
-
-
Model
GeForce GT 820M
GeForce 820M
Memory
Memory (MB)
1,024
1,024
Memory bandwidth (GB/s)
14.4
14.4
Memory bus (bit)
64
64
Memory type
DDR3
DDR3
Memory clock speed (MHz)
900
900
Effective memory clock speed (MHz)
1,800
1,800
Noise and power
TDP (W)
15
15
Raw performance
Pixel rate (GPixel/s)
3.1
2.5
Render output processors
8
8
Texture mapping units
16
16
Shading units
96
96
Floating-point performance (GFLOPS)
298
240
Texture rate (GTexel/s)
12.4
10
Benchmarks
Particle simulation (mInteraction/s)
54.69
-
T-Rex (Compubench 1.5) (frames/s)
0.55
-
Video composition (frames/s)
11.86
-
Bioshock Infinite
-
8.1
1
↑
Hitman: Absolution
-
4.9
Face detection (mPixels/s)
6.38
7.69
T-Rex (GFXBench 3.0)
3359.4
3352.98
Manhattan (GFXBench 3.0)
3428.68
3533.46
Bitcoin mining (mHash/s)
17.75
23.26
Sky Diver Factor
-
66.09
Fire Strike Factor
-
7.57
Ocean surface simulation (frames/s)
161.29
-
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