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