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/ Comparison of Radeon HD 6990 and GeForce GTX TITAN BLACK
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Comparison of Radeon HD 6990 and GeForce GTX TITAN BLACK
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Attribute
Radeon HD 6990
×
GeForce GTX TITAN BLACK
×
GPU
Release year (year)
2011
2014
Reference card
AMD Radeon HD 6990 830 MHz 4 GB
-
GPU brand
AMD
Nvidia
GPU name
Antilles
GK110B
Market
Desktop
Desktop
Clock speed (MHz)
830
889
Turbo clock speed (MHz)
-
980
Is dual GPU
+
-
Model
Radeon HD 6990
GeForce GTX TITAN BLACK
Memory
Memory (MB)
4,096
6,144
Memory bandwidth (GB/s)
320
-
Memory bus (bit)
512
384
Memory type
GDDR5
GDDR5
1
↑
Memory clock speed (MHz)
1,250
1,750
Effective memory clock speed (MHz)
5,000
7,000
Noise and power
TDP (W)
375
250
Load power consumption (W)
545
-
Idle power consumption (W)
140
-
Load noise level (dB)
66
-
Idle noise level (dB)
45.5
-
Raw performance
Pixel rate (GPixel/s)
53.12
53.3
Render output processors
64
48
Texture mapping units
192
240
Shading units
3,072
2,880
Floating-point performance (GFLOPS)
5,100
5,121
Compute units
48
-
Texture rate (GTexel/s)
159.4
213.4
Benchmarks
Cloud Gate Factor
21.43
24.37
Face detection (mPixels/s)
17.28
82.61
T-Rex (GFXBench 3.0)
3356.28
3355.5
Manhattan (GFXBench 3.0)
3713.7
3714.56
Bitcoin mining (mHash/s)
265.3
293.83
Sky Diver Factor
340.31
452.58
Fire Strike Factor
45.35
77.05
Ocean surface simulation (frames/s)
840.45
1831.92
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