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/ Comparison of GeForce GTX 680 and Radeon HD 7870
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Comparison of GeForce GTX 680 and Radeon HD 7870
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Attribute
Radeon HD 7870
×
GeForce GTX 680
×
GPU
Release year (year)
2012
2012
GPU brand
AMD
Nvidia
GPU name
Pitcairn XT
GK104
Market
Desktop
Desktop
Clock speed (MHz)
1,000
1,006
Turbo clock speed (MHz)
-
1,058
Is dual GPU
-
-
Model
Radeon HD 7870
GeForce GTX 680
Memory
Memory (MB)
2,048
2,048
1
↑
Memory bandwidth (GB/s)
153.6
192.3
Memory bus (bit)
256
256
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,200
1,502
Effective memory clock speed (MHz)
4,800
6,008
Noise and power
TDP (W)
175
195
Load power consumption (W)
295
356
Idle power consumption (W)
108
112
Load noise level (dB)
48.8
51.9
Idle noise level (dB)
39.5
38.5
Raw performance
Pixel rate (GPixel/s)
32
32.2
SMX units
-
8
Render output processors
32
32
Texture mapping units
80
128
Shading units
1,280
1,536
Floating-point performance (GFLOPS)
2,560
3,090
Compute units
20
-
Texture rate (GTexel/s)
80
128.8
Benchmarks
Crysis 3
25.8
-
Battlefield 4
43
64.3
Face detection (mPixels/s)
55.45
47.72
T-Rex (GFXBench 3.0)
3352.76
3360.28
Manhattan (GFXBench 3.0)
3714.8
3719.86
Bitcoin mining (mHash/s)
294.21
123.57
Sky Diver Factor
324.89
381.6
Thief
-
54.05
Fire Strike Factor
50.19
60.74
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