Comparison of AMD Radeon HD - FirePro D500 Compute Engine and GeForce GTX 775M Mac

Attribute	AMD Radeon HD - FirePro D500 Compute Engine ×	GeForce GTX 775M Mac ×
GPU
Release year (year)	2014	2013
GPU brand	AMD	Nvidia
GPU name	Tahiti	GK104
Market	-	Laptop
Clock speed (MHz)	725	797
Is dual GPU	-	-
Model	AMD Radeon HD - FirePro D500 Compute Engine	GeForce GTX 775M Mac
Memory
Memory (MB)	3,072	2,048
Memory bandwidth (GB/s)	243.8	160
Memory bus (bit)	384	256
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)	274	100
Raw performance
Pixel rate (GPixel/s)	23.2	22.32
Render output processors	32	32
Texture mapping units	96	112
Shading units	1,536	1,344
Floating-point performance (GFLOPS)	2,227	2,142
Compute units	24	-
Texture rate (GTexel/s)	69.6	89.3
Benchmarks
Particle simulation (mInteraction/s)	423.04	280.4
T-Rex (Compubench 1.5) (frames/s)	4.57	3.11
Video composition (frames/s)	70.94	56.67
Face detection (mPixels/s)	47.2	30.36
T-Rex (GFXBench 3.0)	3349.52	3357.2
Manhattan (GFXBench 3.0)	3632.24	3716.26
Bitcoin mining (mHash/s)	259.37	66.6
Ocean surface simulation (frames/s)	1045.53	1075.94