Radeon RX 470D and Radeon R9 285X - video card comparison
Radeon RX 470D
Radeon R9 285X
Architecture
GCN 4.0 (2016−2020)
GCN 3.0 (2014−2017)
GPU code name
Ellesmere
Tonga
Market segment
Desktop
Desktop
Release date
October 2016
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Boost clock speed
1206 MHz
-
Core clock speed
926 MHz
1002 MHz
Floating-point performance
4,322 gflops
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
5,000 million
Pipelines / CUDA cores
1792
2048
Power consumption (TDP)
120 Watt
200 Watt
Texture fill rate
135.1
128.3
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
6600 MHz
5.5 GB/s
Memory bandwidth
211.2 GB/s
264.0 GB/s
Display Connectors
1x HDMI, 3x DisplayPort
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
HDMI
+
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2.170