Comparison of Radeon HD 8870M and Radeon Pro 450

Attribute	Radeon Pro 450 ×	Radeon HD 8870M ×
GPU
Release year (year)	2016	2013
GPU brand	AMD	AMD
GPU name	Venus	Venus
Market	-	Laptop
Clock speed (MHz)	725	725
Turbo clock speed (MHz)	775	775
Is dual GPU	-	-
Model	Radeon Pro 450	Radeon HD 8870M
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	80	72
Memory bus (bit)	128	128
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,250	1,125
Effective memory clock speed (MHz)	5,000	4,500
Noise and power
TDP (W)	35	-
Raw performance
Pixel rate (GPixel/s)	12.4	12.4
Render output processors	16	16
Texture mapping units	40	40
Shading units	640	640
Floating-point performance (GFLOPS)	992	992
Compute units	10	10
Texture rate (GTexel/s)	31	31
Benchmarks
Particle simulation (mInteraction/s)	246.65	-
T-Rex (Compubench 1.5) (frames/s)	2.41	-
Video composition (frames/s)	39.78	-
Bioshock Infinite	-	19.3
Battlefield 4	-	65.95
Face detection (mPixels/s)	26.71	24.1
T-Rex (GFXBench 3.0)	3358.56	2077.4
Manhattan (GFXBench 3.0)	3717.44	3714.76
Bitcoin mining (mHash/s)	126.56	106.85
Sky Diver Factor	-	158.45
Fire Strike Factor	-	16.52
Ocean surface simulation (frames/s)	568.61	-