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/ Comparison of GeForce GTX 660 Ti and Radeon R9 270
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Comparison of GeForce GTX 660 Ti and Radeon R9 270
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Attribute
GeForce GTX 660 Ti
×
Radeon R9 270
×
GPU
Release year (year)
2012
2013
Reference card
Nvidia GeForce GTX 660 Ti 915 MHz 2 GB
-
GPU brand
Nvidia
AMD
GPU name
GK104
Curacao
Market
Desktop
Desktop
Clock speed (MHz)
915
900
Turbo clock speed (MHz)
980
925
Is dual GPU
-
-
Model
GeForce GTX 660 Ti
Radeon R9 270
Memory
Memory (MB)
2,048
2,048
Memory bandwidth (GB/s)
144.2
179.2
Memory bus (bit)
192
256
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,502
1,400
Effective memory clock speed (MHz)
6,008
5,600
Noise and power
TDP (W)
150
150
Load power consumption (W)
318
-
Idle power consumption (W)
111
-
Load noise level (dB)
47.9
-
Idle noise level (dB)
41.8
-
Raw performance
Pixel rate (GPixel/s)
25.62
29.6
SMX units
7
-
Render output processors
24
32
Texture mapping units
112
80
Shading units
1,344
1,280
Floating-point performance (GFLOPS)
2,460
2,368
Compute units
-
20
Texture rate (GTexel/s)
102.5
74
Benchmarks
Crysis 3
-
74
Battlefield 4
42
65
Face detection (mPixels/s)
35.9
57.24
T-Rex (GFXBench 3.0)
3356.32
3359.76
Manhattan (GFXBench 3.0)
3711.8
3717.7
Bitcoin mining (mHash/s)
102.46
251.26
Sky Diver Factor
334.44
312.65
Thief
40.9
-
Fire Strike Factor
49.97
49.6
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