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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
GeForce GT 420
×
Radeon HD 7650A
×
GPU
Release year (year)
2010
2012
GPU brand
Nvidia
AMD
GPU name
GF108
Onega
Market
Desktop
Laptop
Clock speed (MHz)
700
600
Is dual GPU
-
-
Model
GeForce GT 420
Radeon HD 7650A
Memory
Memory (MB)
1,048
1,024
Memory bandwidth (GB/s)
28.8
28.8
Memory bus (bit)
128
128
1
↑
Memory type
DDR3
DDR3
Memory clock speed (MHz)
900
900
Effective memory clock speed (MHz)
1,800
1,800
Noise and power
TDP (W)
50
33
Raw performance
Pixel rate (GPixel/s)
1.4
4.8
Render output processors
4
8
Texture mapping units
4
24
Shading units
48
480
Floating-point performance (GFLOPS)
134
576
Compute units
-
6
Texture rate (GTexel/s)
2.8
14.4
Benchmarks
Particle simulation (mInteraction/s)
26.67
90.53
T-Rex (Compubench 1.5) (frames/s)
-
0.43
Video composition (frames/s)
-
13.3
Cloud Gate Factor
7.08
-
Face detection (mPixels/s)
3.19
4.43
T-Rex (GFXBench 3.0)
1648.79
1342.64
Manhattan (GFXBench 3.0)
1181.01
945.04
Bitcoin mining (mHash/s)
-
53.84
Sky Diver Factor
40.32
-
Fire Strike Factor
4.17
-
Ocean surface simulation (frames/s)
104.11
259.83
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