Comparison of Radeon HD 7730M and Radeon HD 8730M

Attribute	Radeon HD 7730M ×	Radeon HD 8730M ×
GPU
Release year (year)	2012	2013
GPU brand	AMD	AMD
GPU name	Chelsea	Mars
Market	Laptop	Laptop
Clock speed (MHz)	575	650
Turbo clock speed (MHz)	675	700
Is dual GPU	-	-
Model	Radeon HD 7730M	Radeon HD 8730M
Memory
Memory (MB)	2,048	1,024
Memory bandwidth (GB/s)	28.8	32
Memory bus (bit)	128	128
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)	25	-
Raw performance
Pixel rate (GPixel/s)	10.8	5.6
Render output processors	16	8
Texture mapping units	32	24
Shading units	512	384
Floating-point performance (GFLOPS)	691	538
Compute units	8	6
Texture rate (GTexel/s)	21.6	16.8
Benchmarks
FarCry 3	-	5.7
Battlefield 3	10	-
Particle simulation (mInteraction/s)	-	150.76
T-Rex (Compubench 1.5) (frames/s)	-	1.31
Video composition (frames/s)	-	18.75
Face detection (mPixels/s)	15.24	6.51
T-Rex (GFXBench 3.0)	3365.76	3346.51
Manhattan (GFXBench 3.0)	3517.84	3712.14
Bitcoin mining (mHash/s)	69.76	-
Sky Diver Factor	114.28	-
Fire Strike Factor	14.28	-
Ocean surface simulation (frames/s)	289.17	289.46