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/ Comparison of Radeon HD 5770 Engineering Sample and GeForce GTX 775M Mac
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Comparison of Radeon HD 5770 Engineering Sample and GeForce GTX 775M Mac
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Attribute
GeForce GTX 775M Mac
×
Radeon HD 5770 Engineering Sample
×
GPU
Release year (year)
2013
2009
Reference card
-
ATi Radeon HD 5770 850 MHz 1 GB
GPU brand
Nvidia
ATI
GPU name
GK104
Juniper
Market
Laptop
Desktop
Clock speed (MHz)
797
850
Is dual GPU
-
-
Model
GeForce GTX 775M Mac
Radeon HD 5770 Engineering Sample
Memory
Memory (MB)
2,048
1,024
Memory bandwidth (GB/s)
160
76.8
Memory bus (bit)
256
128
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,250
1,200
Effective memory clock speed (MHz)
5,000
4,800
Noise and power
1
↑
TDP (W)
100
108
Load power consumption (W)
-
258
Idle power consumption (W)
-
113
Load noise level (dB)
-
41
Idle noise level (dB)
-
40.4
Raw performance
Pixel rate (GPixel/s)
22.32
13.6
Render output processors
32
16
Texture mapping units
112
40
Shading units
1,344
800
Floating-point performance (GFLOPS)
2,142
1,360
Compute units
-
10
Texture rate (GTexel/s)
89.3
34
Benchmarks
Particle simulation (mInteraction/s)
280.4
-
T-Rex (Compubench 1.5) (frames/s)
3.11
-
Video composition (frames/s)
56.67
-
Crysis 3
-
40
Face detection (mPixels/s)
30.36
9.96
T-Rex (GFXBench 3.0)
3357.2
3353.2
Manhattan (GFXBench 3.0)
3716.26
3507.76
Bitcoin mining (mHash/s)
66.6
122.81
Sky Diver Factor
-
140.24
Fire Strike Factor
-
19.74
Ocean surface simulation (frames/s)
1075.94
461.22
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