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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 820M
×
GeForce GT 820M
×
GPU
Release year (year)
2013
2013
GPU brand
Nvidia
Nvidia
GPU name
GF117
GF117
Market
Laptop
Laptop
Clock speed (MHz)
625
775
Is dual GPU
-
-
Model
GeForce 820M
GeForce GT 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
1
↑
TDP (W)
15
15
Raw performance
Pixel rate (GPixel/s)
2.5
3.1
Render output processors
8
8
Texture mapping units
16
16
Shading units
96
96
Floating-point performance (GFLOPS)
240
298
Texture rate (GTexel/s)
10
12.4
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
-
Hitman: Absolution
4.9
-
Face detection (mPixels/s)
7.69
6.38
T-Rex (GFXBench 3.0)
3352.98
3359.4
Manhattan (GFXBench 3.0)
3533.46
3428.68
Bitcoin mining (mHash/s)
23.26
17.75
Sky Diver Factor
66.09
-
Fire Strike Factor
7.57
-
Ocean surface simulation (frames/s)
-
161.29
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