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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
Radeon HD 7950
×
GeForce GTX 870M
×
GPU
Release year (year)
2012
2014
GPU brand
AMD
Nvidia
GPU name
Tahiti PRO
GK104
Market
Desktop
Laptop
Clock speed (MHz)
800
941
Turbo clock speed (MHz)
-
967
Is dual GPU
-
-
Model
Radeon HD 7950
GeForce GTX 870M
Memory
Memory (MB)
3,072
3,072
Memory bandwidth (GB/s)
240
120
Memory bus (bit)
384
192
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,250
1,250
1
↑
Effective memory clock speed (MHz)
5,000
5,000
Noise and power
TDP (W)
200
100
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)
25.6
26.35
Render output processors
32
24
Texture mapping units
112
112
Shading units
1,792
1,344
Floating-point performance (GFLOPS)
2,867
2,529
Compute units
28
-
Texture rate (GTexel/s)
89.6
105.4
Benchmarks
Crysis 3
45
-
Battlefield 4
33.5
36.6
Face detection (mPixels/s)
77.81
34.84
T-Rex (GFXBench 3.0)
3359.66
3360.2
Manhattan (GFXBench 3.0)
3712.14
3717.8
Bitcoin mining (mHash/s)
382.11
81.75
Sky Diver Factor
355.06
295.59
Thief
-
31.9
Fire Strike Factor
57.91
35.66
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