Comparison of Radeon Pro 575 and Radeon HD 7970

Attribute	Radeon Pro 575 ×	Radeon HD 7970 ×
GPU
Release year (year)	2017	2011
GPU brand	AMD	AMD
GPU name	Polaris 20	Tahiti XT
Market	-	Desktop
Clock speed (MHz)	1,100	925
Is dual GPU	-	-
Model	Radeon Pro 575	Radeon HD 7970
Memory
Memory (MB)	4,096	3,072
Memory bandwidth (GB/s)	217.6	264
Memory bus (bit)	256	384
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,700	1,375
Effective memory clock speed (MHz)	6,800	5,500
Noise and power
TDP (W)	120	250
Load power consumption (W)	-	391
Idle power consumption (W)	-	113
Load noise level (dB)	-	55.2
Idle noise level (dB)	-	40.2
Raw performance
Pixel rate (GPixel/s)	35.2	29.6
Render output processors	32	32
Texture mapping units	128	128
Shading units	2,048	2,048
Floating-point performance (GFLOPS)	4,506	3,789
Compute units	32	32
Texture rate (GTexel/s)	140.8	118.4
Benchmarks
Particle simulation (mInteraction/s)	602.9	-
T-Rex (Compubench 1.5) (frames/s)	7.95	-
Video composition (frames/s)	97.33	-
Bioshock Infinite	-	78
Hitman: Absolution	-	73
Cloud Gate Factor	-	21.46
Face detection (mPixels/s)	86.73	49.05
Bitcoin mining (mHash/s)	539.71	447.28
Sky Diver Factor	-	380.04
Fire Strike Factor	-	62.9
Ocean surface simulation (frames/s)	1110.93	261.64