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/ Comparison of Radeon HD 8490 and Radeon HD 7650A
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Comparison of Radeon HD 8490 and Radeon HD 7650A
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Attribute
Radeon HD 8490
×
Radeon HD 7650A
×
GPU
Release year (year)
2013
2012
GPU brand
AMD
AMD
GPU name
Caicos XTX
Onega
Market
Desktop
Laptop
Clock speed (MHz)
875
600
Is dual GPU
-
-
Model
Radeon HD 8490
Radeon HD 7650A
Memory
Memory (MB)
1,024
1,024
Memory bandwidth (GB/s)
14.4
28.8
Memory bus (bit)
64
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)
35
33
Raw performance
Pixel rate (GPixel/s)
3.5
4.8
Render output processors
4
8
Texture mapping units
8
24
Shading units
160
480
Floating-point performance (GFLOPS)
280
576
Compute units
2
6
Texture rate (GTexel/s)
7
14.4
Benchmarks
1
↑
Particle simulation (mInteraction/s)
-
90.53
T-Rex (Compubench 1.5) (frames/s)
-
0.43
Video composition (frames/s)
-
13.3
Cloud Gate Factor
6.58
-
Face detection (mPixels/s)
2.02
4.43
T-Rex (GFXBench 3.0)
1776.24
1342.64
Manhattan (GFXBench 3.0)
1074.06
945.04
Bitcoin mining (mHash/s)
13.08
53.84
Sky Diver Factor
36.55
-
Fire Strike Factor
4.53
-
Ocean surface simulation (frames/s)
126.59
259.83
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