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/ Comparison of Radeon HD 8670M and NVIDIA Quadro K620
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Comparison of Radeon HD 8670M and NVIDIA Quadro K620
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Attribute
NVIDIA Quadro K620
×
Radeon HD 8670M
×
GPU
Release year (year)
2014
2013
Reference card
-
AMD Radeon HD 8670M 925 MHz 1 GB
GPU brand
Nvidia
AMD
GPU name
GM107
Mars
Market
-
Laptop
Clock speed (MHz)
1,058
775
Turbo clock speed (MHz)
1,124
825
Is dual GPU
-
-
Model
NVIDIA Quadro K620
Radeon HD 8670M
Memory
Memory (MB)
2,048
2,048
Memory bandwidth (GB/s)
28.8
14.4
Memory bus (bit)
128
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)
41
-
Raw performance
Pixel rate (GPixel/s)
16.93
6.6
Render output processors
16
8
1
↑
Texture mapping units
16
24
Shading units
384
384
Floating-point performance (GFLOPS)
812
634
Compute units
-
6
Texture rate (GTexel/s)
16.93
19.8
Benchmarks
Metro: Last Light
11
4.7
Bioshock Infinite
15
5.5
Face detection (mPixels/s)
25.44
7
T-Rex (GFXBench 3.0)
3354.04
3046.08
Manhattan (GFXBench 3.0)
2515.31
1726.77
Bitcoin mining (mHash/s)
97.66
71.7
Sky Diver Factor
-
83.25
Thief
10
-
Fire Strike Factor
-
8.11
Ocean surface simulation (frames/s)
299.75
-
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