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/ Comparison of Radeon HD 7870 XT and GeForce GTX 680
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Comparison of Radeon HD 7870 XT and GeForce GTX 680
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Attribute
Radeon HD 7870 XT
×
GeForce GTX 680
×
GPU
Release year (year)
2012
2012
GPU brand
AMD
Nvidia
GPU name
Tahiti LE
GK104
Market
Desktop
Desktop
Clock speed (MHz)
925
1,006
Turbo clock speed (MHz)
975
1,058
Is dual GPU
-
-
Model
Radeon HD 7870 XT
GeForce GTX 680
Memory
Memory (MB)
2,048
2,048
Memory bandwidth (GB/s)
192
192.3
Memory bus (bit)
256
256
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,500
1,502
Effective memory clock speed (MHz)
6,000
6,008
Noise and power
TDP (W)
185
195
Load power consumption (W)
-
356
1
↑
Idle power consumption (W)
-
112
Load noise level (dB)
-
51.9
Idle noise level (dB)
-
38.5
Raw performance
Pixel rate (GPixel/s)
31.2
32.2
SMX units
-
8
Render output processors
32
32
Texture mapping units
96
128
Shading units
1,536
1,536
Floating-point performance (GFLOPS)
2,995
3,090
Compute units
24
-
Texture rate (GTexel/s)
93.6
128.8
Benchmarks
Metro: Last Light
79.5
-
Battlefield 3
72
-
Battlefield 4
-
64.3
Face detection (mPixels/s)
65.4
47.72
T-Rex (GFXBench 3.0)
3350.68
3360.28
Manhattan (GFXBench 3.0)
3705.76
3719.86
Bitcoin mining (mHash/s)
345.79
123.57
Sky Diver Factor
314
381.6
Thief
-
54.05
Fire Strike Factor
47.56
60.74
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