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/ Comparison of Radeon HD 7870 XT and Radeon HD 6950
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Comparison of Radeon HD 7870 XT and Radeon HD 6950
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Attribute
Radeon HD 6950
×
Radeon HD 7870 XT
×
GPU
Release year (year)
2011
2012
Reference card
AMD Radeon HD 6950 800 MHz 2 GB
-
GPU brand
AMD
AMD
GPU name
Cayman PRO
Tahiti LE
Market
Desktop
Desktop
Clock speed (MHz)
880
925
Turbo clock speed (MHz)
-
975
Is dual GPU
-
-
Model
Radeon HD 6950
Radeon HD 7870 XT
Memory
Memory (MB)
2,048
2,048
Memory bandwidth (GB/s)
166.4
192
Memory bus (bit)
256
256
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,300
1,500
Effective memory clock speed (MHz)
5,200
6,000
Noise and power
TDP (W)
200
185
Load power consumption (W)
326
-
Idle power consumption (W)
117
-
Load noise level (dB)
48.2
-
Idle noise level (dB)
42.7
-
Raw performance
Pixel rate (GPixel/s)
28.16
31.2
Render output processors
32
32
Texture mapping units
88
96
Shading units
1,408
1,536
Floating-point performance (GFLOPS)
2,478
2,995
Compute units
22
24
Texture rate (GTexel/s)
77.44
93.6
Benchmarks
Metro: Last Light
7.5
79.5
Battlefield 3
30
72
Face detection (mPixels/s)
17.01
65.4
T-Rex (GFXBench 3.0)
3358.26
3350.68
Manhattan (GFXBench 3.0)
3714.44
3705.76
1
↑
Bitcoin mining (mHash/s)
251.55
345.79
Sky Diver Factor
242.26
314
Fire Strike Factor
35.2
47.56
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