Comparison of GeForce GT 420 and Radeon HD 7650A

Attribute	Radeon HD 7650A ×	GeForce GT 420 ×
GPU
Release year (year)	2012	2010
GPU brand	AMD	Nvidia
GPU name	Onega	GF108
Market	Laptop	Desktop
Clock speed (MHz)	600	700
Is dual GPU	-	-
Model	Radeon HD 7650A	GeForce GT 420
Memory
Memory (MB)	1,024	1,048
Memory bandwidth (GB/s)	28.8	28.8
Memory bus (bit)	128	128
Memory type	DDR3	DDR3
Memory clock speed (MHz)	900	900
Effective memory clock speed (MHz)	1,800	1,800
Noise and power
TDP (W)	33	50
Raw performance
Pixel rate (GPixel/s)	4.8	1.4
Render output processors	8	4
Texture mapping units	24	4
Shading units	480	48
Floating-point performance (GFLOPS)	576	134
Compute units	6	-
Texture rate (GTexel/s)	14.4	2.8
Benchmarks
Particle simulation (mInteraction/s)	90.53	26.67
T-Rex (Compubench 1.5) (frames/s)	0.43	-
Video composition (frames/s)	13.3	-
Cloud Gate Factor	-	7.08
Face detection (mPixels/s)	4.43	3.19
T-Rex (GFXBench 3.0)	1342.64	1648.79
Manhattan (GFXBench 3.0)	945.04	1181.01
Bitcoin mining (mHash/s)	53.84	-
Sky Diver Factor	-	40.32
Fire Strike Factor	-	4.17
Ocean surface simulation (frames/s)	259.83	104.11