Comparison of GeForce GTX 880M and Radeon R9 M395X

Attribute	Radeon R9 M395X ×	GeForce GTX 880M ×
GPU
Release year (year)	2015	2014
GPU brand	AMD	Nvidia
GPU name	Amethyst	GK104
Market	Laptop	Laptop
Clock speed (MHz)	723	954
Turbo clock speed (MHz)	-	993
Is dual GPU	-	-
Model	Radeon R9 M395X	GeForce GTX 880M
Memory
Memory (MB)	8,192	8,192
Memory bandwidth (GB/s)	160	160
Memory bus (bit)	256	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,250	1,250
Effective memory clock speed (MHz)	5,000	5,000
Noise and power
TDP (W)	250	122
Raw performance
Pixel rate (GPixel/s)	23.14	30.53
Render output processors	32	32
Texture mapping units	128	128
Shading units	2,048	1,536
Floating-point performance (GFLOPS)	2,961	2,931
Compute units	32	-
Texture rate (GTexel/s)	92.5	122.1
Benchmarks
Particle simulation (mInteraction/s)	295.61	-
T-Rex (Compubench 1.5) (frames/s)	5.72	-
Video composition (frames/s)	65.91	-
Battlefield 4	-	46.2
Face detection (mPixels/s)	65.37	41.2
T-Rex (GFXBench 3.0)	3357.67	3359.5
Manhattan (GFXBench 3.0)	3562.09	3715.14
Bitcoin mining (mHash/s)	413.33	82.51
Sky Diver Factor	-	351.61
Thief	-	40.15
Fire Strike Factor	-	51.88
Ocean surface simulation (frames/s)	777.36	-