Comparison of Radeon HD 6550A and GeForce GT 630 PCIe x8

Attribute	Radeon HD 6550A ×	GeForce GT 630 PCIe x8 ×
GPU
Release year (year)	2011	2013
GPU brand	AMD	Nvidia
GPU name	Turks	GK208
Market	Laptop	Desktop
Clock speed (MHz)	650	902
Is dual GPU	-	-
Model	Radeon HD 6550A	GeForce GT 630 PCIe x8
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	28.8	14.4
Memory bus (bit)	128	64
Memory type	DDR3	DDR3
Memory clock speed (MHz)	900	900
Effective memory clock speed (MHz)	1,800	1,800
Noise and power
TDP (W)	35	25
Raw performance
Pixel rate (GPixel/s)	5.2	7.22
Render output processors	8	8
Texture mapping units	24	16
Shading units	480	384
Floating-point performance (GFLOPS)	624	693
Compute units	6	-
Texture rate (GTexel/s)	15.6	14.43
Benchmarks
PassMark	707	-
PassMark Direct Compute	293	-