Radeon R9 285 and Radeon RX 570 X2 - video card comparison
Radeon R9 285
Radeon RX 570 X2
Architecture
GCN 3.0 (2014−2017)
GCN 4.0 (2016−2020)
GPU code name
Tonga
Polaris 20
Market segment
Desktop
Desktop
Release date
September 2014
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
2x 8-pin
Boost clock speed
-
1206 MHz
Core clock speed
918 MHz
-
Floating-point performance
3,290 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
5,000 million
5,700 million
Pipelines / CUDA cores
1792
2048
Power consumption (TDP)
190 Watt
180 Watt
Texture fill rate
102.8
154.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
8 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
5.5 GB/s
8.4 GB/s
Memory bandwidth
176.0 GB/s
268.8 GB/s
Display Connectors
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
1x HDMI 2.0b
HDMI
+
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.1
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2.170
1.3