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/ Comparison of GeForce GT 420 and Radeon HD 7650A
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Comparison of GeForce GT 420 and Radeon HD 7650A
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Attribute
Radeon HD 7650A
×
GeForce GT 420
×
GPU
Release year (year)
2012
2010
GPU brand
AMD
Nvidia
GPU name
Onega
GF108
Market
Laptop
Desktop
Clock speed (MHz)
600
700
Is dual GPU
-
-
Model
Radeon HD 7650A
GeForce GT 420
Memory
Memory (MB)
1,024
1,048
Memory bandwidth (GB/s)
28.8
28.8
Memory bus (bit)
128
128
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)
33
50
Raw performance
Pixel rate (GPixel/s)
4.8
1.4
Render output processors
8
4
Texture mapping units
24
4
Shading units
480
48
Floating-point performance (GFLOPS)
576
134
Compute units
6
-
Texture rate (GTexel/s)
14.4
2.8
Benchmarks
Particle simulation (mInteraction/s)
90.53
26.67
T-Rex (Compubench 1.5) (frames/s)
0.43
-
Video composition (frames/s)
13.3
-
Cloud Gate Factor
-
7.08
Face detection (mPixels/s)
4.43
3.19
T-Rex (GFXBench 3.0)
1342.64
1648.79
Manhattan (GFXBench 3.0)
945.04
1181.01
Bitcoin mining (mHash/s)
53.84
-
Sky Diver Factor
-
40.32
Fire Strike Factor
-
4.17
Ocean surface simulation (frames/s)
259.83
104.11
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