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/ Comparison of Radeon HD 6970 and GeForce GTX 775M Mac
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Comparison of Radeon HD 6970 and GeForce GTX 775M Mac
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Attribute
Radeon HD 6970
×
GeForce GTX 775M Mac
×
GPU
Release year (year)
2010
2013
GPU brand
AMD
Nvidia
GPU name
Cayman XT
GK104
Market
Desktop
Laptop
Clock speed (MHz)
880
797
Is dual GPU
-
-
Model
Radeon HD 6970
GeForce GTX 775M Mac
Memory
Memory (MB)
2,048
2,048
Memory bandwidth (GB/s)
176
160
Memory bus (bit)
256
256
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,375
1,250
Effective memory clock speed (MHz)
5,500
5,000
Noise and power
TDP (W)
250
100
Load power consumption (W)
370
-
Idle power consumption (W)
120
-
Load noise level (dB)
53.2
-
Idle noise level (dB)
42.7
-
Raw performance
Pixel rate (GPixel/s)
28.16
22.32
Render output processors
32
32
Texture mapping units
96
112
Shading units
1,536
1,344
Floating-point performance (GFLOPS)
2,703
2,142
Compute units
24
-
Texture rate (GTexel/s)
84.48
89.3
Benchmarks
Battlefield 3
57
-
Particle simulation (mInteraction/s)
-
280.4
T-Rex (Compubench 1.5) (frames/s)
-
3.11
Video composition (frames/s)
-
56.67
Battlefield 4
90
-
Face detection (mPixels/s)
18.68
30.36
T-Rex (GFXBench 3.0)
3351.26
3357.2
Manhattan (GFXBench 3.0)
3706.33
3716.26
Bitcoin mining (mHash/s)
274.06
66.6
Sky Diver Factor
255.16
-
Fire Strike Factor
37.18
-
Ocean surface simulation (frames/s)
-
1075.94
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