Comparison of Radeon R9 M370X Mac and Radeon R9 270 1024SP

Attribute	Radeon R9 270 1024SP ×	Radeon R9 M370X Mac ×
GPU
Release year (year)	2015	2015
Reference card	AMD Radeon R9 270 1024SP 900 MHz 2 GB	-
GPU brand	AMD	AMD
GPU name	Pitcairn	Tropo
Market	Desktop	Laptop
Clock speed (MHz)	900	775
Turbo clock speed (MHz)	930	800
Is dual GPU	-	-
Model	Radeon R9 270 1024SP	Radeon R9 M370X Mac
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	153.6	72
Memory bus (bit)	256	128
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,200	1,125
Effective memory clock speed (MHz)	4,800	4,500
Noise and power
TDP (W)	150	-
Raw performance
Pixel rate (GPixel/s)	29.76	12.8
Render output processors	32	16
Texture mapping units	64	40
Shading units	1,024	640
Floating-point performance (GFLOPS)	1,905	1,024
Compute units	16	10
Texture rate (GTexel/s)	59.5	32
Benchmarks
Particle simulation (mInteraction/s)	340.91	244.59
T-Rex (Compubench 1.5) (frames/s)	4.36	-
Video composition (frames/s)	80.7	-
Crysis 3	-	12.3
Bioshock Infinite	-	25.7
Battlefield 4	-	16.6
Face detection (mPixels/s)	57.24	25.15
Bitcoin mining (mHash/s)	251.26	111.14
Thief	-	17.2
Ocean surface simulation (frames/s)	1298.8	560.08