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/ Comparison of Radeon HD 7870 XT and AMD Radeon HD 7970 GHz Edition
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Comparison of Radeon HD 7870 XT and AMD Radeon HD 7970 GHz Edition
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Attribute
Radeon HD 7870 XT
×
AMD Radeon HD 7970 GHz Edition
×
GPU
Release year (year)
2012
2012
Reference card
-
AMD Radeon HD 7970 925 MHz 3 GB
GPU brand
AMD
AMD
GPU name
Tahiti LE
Tahiti XT2
Market
Desktop
Desktop
Clock speed (MHz)
925
1,000
Turbo clock speed (MHz)
975
1,050
Is dual GPU
-
-
Model
Radeon HD 7870 XT
AMD Radeon HD 7970 GHz Edition
Memory
Memory (MB)
2,048
3,072
Memory bandwidth (GB/s)
192
288
Memory bus (bit)
256
384
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,500
1,500
Effective memory clock speed (MHz)
6,000
6,000
Noise and power
TDP (W)
185
300
Load power consumption (W)
-
360
Idle power consumption (W)
-
112
Load noise level (dB)
-
53.1
Idle noise level (dB)
-
40.2
Raw performance
Pixel rate (GPixel/s)
31.2
33.6
Render output processors
32
32
Texture mapping units
96
128
Shading units
1,536
2,048
Floating-point performance (GFLOPS)
2,995
4,301
Compute units
24
32
Texture rate (GTexel/s)
93.6
134.4
Benchmarks
Metro: Last Light
79.5
-
Battlefield 3
72
-
Crysis 3
-
28.3
Bioshock Infinite
-
78
Face detection (mPixels/s)
65.4
94.02
T-Rex (GFXBench 3.0)
3350.68
2798.85
Manhattan (GFXBench 3.0)
3705.76
2984.22
Bitcoin mining (mHash/s)
345.79
487.62
Sky Diver Factor
314
380.04
1
↑
Fire Strike Factor
47.56
62.9
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