Comparison of Radeon HD 6770 Green and GeForce GT 630 PCIe x8

Attribute	Radeon HD 6770 Green ×	GeForce GT 630 PCIe x8 ×
GPU
Release year (year)	2013	2013
GPU brand	AMD	Nvidia
GPU name	Juniper	GK208
Market	Desktop	Desktop
Clock speed (MHz)	700	902
Is dual GPU	-	-
Model	Radeon HD 6770 Green	GeForce GT 630 PCIe x8
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	21.3	14.4
Memory bus (bit)	128	64
Memory type	GDDR3	DDR3
Memory clock speed (MHz)	667	900
Effective memory clock speed (MHz)	1,334	1,800
Noise and power
TDP (W)	86	25
Raw performance
Pixel rate (GPixel/s)	11.2	7.22
Render output processors	16	8
Texture mapping units	36	16
Shading units	720	384
Floating-point performance (GFLOPS)	1,008	693
Compute units	9	-
Texture rate (GTexel/s)	25.2	14.43