Comparison of Radeon R9 380X and Radeon HD 7950 Mac

Attribute	Radeon R9 380X ×	Radeon HD 7950 Mac ×
GPU
Release year (year)	2015	2013
GPU brand	AMD	AMD
GPU name	Antigua	Tahiti PRO
Market	Desktop	Desktop
Clock speed (MHz)	970	800
Is dual GPU	-	-
Model	Radeon R9 380X	Radeon HD 7950 Mac
Memory
Memory (MB)	4,096	3,072
Memory bandwidth (GB/s)	182.4	240
Memory bus (bit)	256	384
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,425	1,250
Effective memory clock speed (MHz)	5,700	5,000
Noise and power
TDP (W)	190	200
Raw performance
Pixel rate (GPixel/s)	31.04	25.6
Render output processors	32	32
Texture mapping units	128	112
Shading units	2,048	1,792
Floating-point performance (GFLOPS)	3,973	2,867
Compute units	32	28
Texture rate (GTexel/s)	124.2	89.6
Benchmarks
Metro: Last Light	64	-
Battlefield 3	59	-
Particle simulation (mInteraction/s)	-	460.4
T-Rex (Compubench 1.5) (frames/s)	-	1
Video composition (frames/s)	-	81.68
Cloud Gate Factor	19.66	-
Face detection (mPixels/s)	81.44	67.8
Bitcoin mining (mHash/s)	478.65	370.18
Sky Diver Factor	365.47	-
Fire Strike Factor	56.18	-
Ocean surface simulation (frames/s)	1498.03	1230.77