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