Comparison of Radeon HD 7970 and Radeon RX 470D

Attribute	Radeon HD 7970 ×	Radeon RX 470D ×
GPU
Release year (year)	2011	2016
GPU brand	AMD	AMD
GPU name	Tahiti XT	Ellesmere
Market	Desktop	-
Clock speed (MHz)	925	926
Turbo clock speed (MHz)	-	1,206
Is dual GPU	-	-
Model	Radeon HD 7970	Radeon RX 470D
Memory
Memory (MB)	3,072	4,096
Memory bandwidth (GB/s)	264	211.2
Memory bus (bit)	384	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,375	1,650
Effective memory clock speed (MHz)	5,500	6,600
Noise and power
TDP (W)	250	120
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)	29.6	38.6
Render output processors	32	32
Texture mapping units	128	112
Shading units	2,048	1,792
Floating-point performance (GFLOPS)	3,789	4,322
Compute units	32	28
Texture rate (GTexel/s)	118.4	135.1
Benchmarks
Bioshock Infinite	78	-
Hitman: Absolution	73	-
Cloud Gate Factor	21.46	-
Face detection (mPixels/s)	49.05	-
Bitcoin mining (mHash/s)	447.28	-
Sky Diver Factor	380.04	-
Fire Strike Factor	62.9	-
Ocean surface simulation (frames/s)	261.64	-