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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
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
1
↑
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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