Comparison of Radeon R9 390 and GeForce GTX TITAN

Attribute	GeForce GTX TITAN ×	Radeon R9 390 ×
GPU
Release year (year)	2013	2015
GPU brand	Nvidia	AMD
GPU name	GK110	Grenada
Market	Desktop	Desktop
Clock speed (MHz)	836	1,000
Turbo clock speed (MHz)	876	-
Is dual GPU	-	-
Model	GeForce GTX TITAN	Radeon R9 390
Memory
Memory (MB)	6,144	8,192
Memory bandwidth (GB/s)	288.4	-
Memory bus (bit)	384	512
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,502	1,500
Effective memory clock speed (MHz)	6,008	6,000
Noise and power
TDP (W)	250	275
Load power consumption (W)	429	-
Idle power consumption (W)	111	-
Load noise level (dB)	51	-
Idle noise level (dB)	37.8	-
Raw performance
Pixel rate (GPixel/s)	46.8	64
SMX units	14	-
Render output processors	48	64
Texture mapping units	224	160
Shading units	2,688	2,560
Floating-point performance (GFLOPS)	4,494	5,120
Compute units	-	40
Texture rate (GTexel/s)	187.3	160
Benchmarks
Metro: Last Light	-	75
Crysis 3	70	-
Bioshock Infinite	140	59
Cloud Gate Factor	22.82	21.89
Face detection (mPixels/s)	66.04	120.3
Bitcoin mining (mHash/s)	253.47	607.36
Sky Diver Factor	438.4	418.55
Fire Strike Factor	75.41	72.81
Ocean surface simulation (frames/s)	1844.01	3168.89