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/ Comparison of Radeon HD 7950 and Radeon R9 M390X
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Comparison of Radeon HD 7950 and Radeon R9 M390X
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Attribute
Radeon R9 M390X
×
Radeon HD 7950
×
GPU
Release year (year)
2015
2012
GPU brand
AMD
AMD
GPU name
Amethyst
Tahiti PRO
Market
Laptop
Desktop
1
↑
Clock speed (MHz)
723
800
Turbo clock speed (MHz)
950
-
Is dual GPU
-
-
Model
Radeon R9 M390X
Radeon HD 7950
Memory
Memory (MB)
4,096
3,072
Memory bandwidth (GB/s)
160
240
Memory bus (bit)
256
384
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,250
1,250
Effective memory clock speed (MHz)
5,000
5,000
Noise and power
TDP (W)
100
200
Load power consumption (W)
-
321
Idle power consumption (W)
-
112
Load noise level (dB)
-
53.1
Idle noise level (dB)
-
40.7
Raw performance
Pixel rate (GPixel/s)
23.14
25.6
Render output processors
32
32
Texture mapping units
128
112
Shading units
2,048
1,792
Floating-point performance (GFLOPS)
2,961
2,867
Compute units
32
28
Texture rate (GTexel/s)
92.5
89.6
Benchmarks
Crysis 3
-
45
Cloud Gate Factor
23.65
-
Battlefield 4
63.65
33.5
Face detection (mPixels/s)
44.39
77.81
T-Rex (GFXBench 3.0)
3356.44
3359.66
Manhattan (GFXBench 3.0)
3384.91
3712.14
Bitcoin mining (mHash/s)
241.5
382.11
Sky Diver Factor
317.44
355.06
Thief
35
-
Fire Strike Factor
-
57.91
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