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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
1
↑
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
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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