Comparison of Radeon HD 8570M GDDR5 and GeForce GT 750M Mac

Attribute	GeForce GT 750M Mac ×	Radeon HD 8570M GDDR5 ×
GPU
Release year (year)	2013	2013
Reference card	-	AMD Radeon HD 8570M 750 MHz 1 GB
GPU brand	Nvidia	AMD
GPU name	GK107	Sun
Market	Laptop	Laptop
Clock speed (MHz)	926	650
Turbo clock speed (MHz)	-	825
Is dual GPU	-	-
Model	GeForce GT 750M Mac	Radeon HD 8570M GDDR5
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	80.3	32
Memory bus (bit)	128	64
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,254	1,000
Effective memory clock speed (MHz)	5,016	4,000
Noise and power
TDP (W)	50	-
Raw performance
Pixel rate (GPixel/s)	7.41	5.2
Render output processors	16	8
Texture mapping units	32	20
Shading units	384	320
Floating-point performance (GFLOPS)	711	416
Compute units	-	5
Texture rate (GTexel/s)	29.63	13
Benchmarks
Particle simulation (mInteraction/s)	112.76	-
T-Rex (Compubench 1.5) (frames/s)	0.83	-
Video composition (frames/s)	20.9	-
Crysis 3	-	2.3
PassMark	-	548
Bioshock Infinite	-	4
Cloud Gate Factor	-	7.53
Face detection (mPixels/s)	10.45	-
T-Rex (GFXBench 3.0)	2937.16	2447.38
Manhattan (GFXBench 3.0)	1716.67	1528.31
Bitcoin mining (mHash/s)	22.56	-
Sky Diver Factor	-	70.61
Fire Strike Factor	-	7.58
Ocean surface simulation (frames/s)	308.57	-