Comparison of GeForce GTX 745 and Radeon R5 M230

Attribute	GeForce GTX 745 ×	Radeon R5 M230 ×
GPU
Release year (year)	2014	2014
Reference card	-	AMD Radeon R5 M230 780 MHz 4 GB
GPU brand	Nvidia	AMD
GPU name	GM107	Jet
Market	Desktop	Laptop
Clock speed (MHz)	1,033	825
Turbo clock speed (MHz)	1,085	855
Is dual GPU	-	-
Model	GeForce GTX 745	Radeon R5 M230
Memory
Memory (MB)	4,096	4,096
Memory bandwidth (GB/s)	28.8	16
Memory bus (bit)	128	64
Memory type	DDR3	DDR3
Memory clock speed (MHz)	900	1,000
Effective memory clock speed (MHz)	1,800	2,000
Noise and power
TDP (W)	55	-
Raw performance
Pixel rate (GPixel/s)	16.53	6.84
Render output processors	16	8
Texture mapping units	24	20
Shading units	384	320
Floating-point performance (GFLOPS)	793	547
Compute units	-	5
Texture rate (GTexel/s)	24.79	17.1
Benchmarks
Bioshock Infinite	-	6.4
Cloud Gate Factor	13.47	-
Face detection (mPixels/s)	24.01	6.66
T-Rex (GFXBench 3.0)	1650.2	2870.62
Manhattan (GFXBench 3.0)	1728.44	1802.63
Bitcoin mining (mHash/s)	96.34	49.27
Sky Diver Factor	184.21	70.4
Thief	-	3.8
Fire Strike Factor	27.8	7.79
Ocean surface simulation (frames/s)	335.34	-