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/ Comparison of AMD Radeon HD - FirePro D300 Compute Engine and GeForce GTX 775M Mac
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Comparison of AMD Radeon HD - FirePro D300 Compute Engine and GeForce GTX 775M Mac
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Attribute
GeForce GTX 775M Mac
×
AMD Radeon HD - FirePro D300 Compute Engine
×
GPU
Release year (year)
2013
2014
GPU brand
Nvidia
AMD
GPU name
GK104
Pitcairn
Market
Laptop
-
Clock speed (MHz)
797
850
Is dual GPU
-
-
Model
GeForce GTX 775M Mac
AMD Radeon HD - FirePro D300 Compute Engine
Memory
Memory (MB)
2,048
2,048
Memory bandwidth (GB/s)
160
162.6
Memory bus (bit)
256
256
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,250
1,270
Effective memory clock speed (MHz)
5,000
5,080
Noise and power
TDP (W)
100
150
Raw performance
Pixel rate (GPixel/s)
22.32
27.2
Render output processors
32
32
Texture mapping units
112
80
Shading units
1,344
1,280
Floating-point performance (GFLOPS)
2,142
2,176
Compute units
-
20
Texture rate (GTexel/s)
89.3
68
Benchmarks
1
↑
Particle simulation (mInteraction/s)
280.4
307
T-Rex (Compubench 1.5) (frames/s)
3.11
1
Video composition (frames/s)
56.67
70.69
Face detection (mPixels/s)
30.36
48.05
T-Rex (GFXBench 3.0)
3357.2
3351.76
Manhattan (GFXBench 3.0)
3716.26
3712.58
Bitcoin mining (mHash/s)
66.6
242.18
Ocean surface simulation (frames/s)
1075.94
1192.55
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