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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
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
1
↑
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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