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