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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 7650A
×
Radeon HD 8490
×
GPU
Release year (year)
2012
2013
GPU brand
AMD
AMD
GPU name
Onega
Caicos XTX
Market
Laptop
Desktop
Clock speed (MHz)
600
875
Is dual GPU
-
-
Model
Radeon HD 7650A
Radeon HD 8490
Memory
Memory (MB)
1,024
1,024
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
1
↑
TDP (W)
33
35
Raw performance
Pixel rate (GPixel/s)
4.8
3.5
Render output processors
8
4
Texture mapping units
24
8
Shading units
480
160
Floating-point performance (GFLOPS)
576
280
Compute units
6
2
Texture rate (GTexel/s)
14.4
7
Benchmarks
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)
4.43
2.02
T-Rex (GFXBench 3.0)
1342.64
1776.24
Manhattan (GFXBench 3.0)
945.04
1074.06
Bitcoin mining (mHash/s)
53.84
13.08
Sky Diver Factor
-
36.55
Fire Strike Factor
-
4.53
Ocean surface simulation (frames/s)
259.83
126.59
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