Comparison of Radeon R9 285 and Radeon RX 570

Attribute	Radeon R9 285 ×	Radeon RX 570 ×
GPU
Release year (year)	2014	2017
Reference card	AMD Radeon R9 285 918 MHz 2 GB	-
GPU brand	AMD	AMD
GPU name	Tonga	Polaris 20
Market	Desktop	-
Clock speed (MHz)	918	1,168
Turbo clock speed (MHz)	1,000	1,244
Is dual GPU	-	-
Model	Radeon R9 285	Radeon RX 570
Memory
Memory (MB)	2,048	4,096
Memory bandwidth (GB/s)	176	224
Memory bus (bit)	256	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,375	1,750
Effective memory clock speed (MHz)	5,500	7,000
Noise and power
TDP (W)	190	120
Raw performance
Pixel rate (GPixel/s)	29.38	39.81
Render output processors	32	32
Texture mapping units	112	128
Shading units	1,792	2,048
^1↑Floating-point performance (GFLOPS)	3,290	5,095
Compute units	28	32
Texture rate (GTexel/s)	102.8	159.2
Benchmarks
FarCry 3	35	-
Cloud Gate Factor	-	19.49
Face detection (mPixels/s)	72.8	110.82
T-Rex (GFXBench 3.0)	3355.84	3352.16
Manhattan (GFXBench 3.0)	3715.04	3711.04
Bitcoin mining (mHash/s)	391.4	634.9
Sky Diver Factor	344.37	387.27
Fire Strike Factor	50.84	70.44
Ocean surface simulation (frames/s)	1474.63	1339.53