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/ Comparison of Radeon HD 7950 and GeForce GTX 870M
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Comparison of Radeon HD 7950 and GeForce GTX 870M
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Attribute
GeForce GTX 870M
×
Radeon HD 7950
×
GPU
Release year (year)
2014
2012
GPU brand
Nvidia
AMD
GPU name
GK104
Tahiti PRO
Market
Laptop
Desktop
Clock speed (MHz)
941
800
Turbo clock speed (MHz)
967
-
Is dual GPU
-
-
Model
GeForce GTX 870M
Radeon HD 7950
Memory
Memory (MB)
3,072
3,072
Memory bandwidth (GB/s)
120
240
Memory bus (bit)
192
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)
26.35
25.6
Render output processors
24
32
Texture mapping units
112
112
Shading units
1,344
1,792
Floating-point performance (GFLOPS)
2,529
2,867
Compute units
-
28
Texture rate (GTexel/s)
105.4
89.6
Benchmarks
Crysis 3
-
45
Battlefield 4
36.6
33.5
Face detection (mPixels/s)
34.84
77.81
T-Rex (GFXBench 3.0)
3360.2
3359.66
Manhattan (GFXBench 3.0)
3717.8
3712.14
Bitcoin mining (mHash/s)
81.75
382.11
Sky Diver Factor
295.59
355.06
Thief
31.9
-
Fire Strike Factor
35.66
57.91
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