Radeon RX 470D and Radeon 550 - video card comparison
Radeon RX 470D
Radeon 550
Architecture
GCN 4.0 (2016−2020)
GCN 4.0 (2016−2020)
GPU code name
Ellesmere
Lexa
Market segment
Desktop
Desktop
Release date
October 2016
April 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1206 MHz
1183 MHz
Core clock speed
926 MHz
1100 MHz
Floating-point performance
4,322 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
5,700 million
2,200 million
Pipelines / CUDA cores
1792
512
Power consumption (TDP)
120 Watt
50 Watt
Texture fill rate
135.1
37.86
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
6600 MHz
7 GB/s
Memory bandwidth
211.2 GB/s
56 GB/s
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI 2.0b, 1x DisplayPort 1.4a
HDMI
+
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.7
Vulkan
1.2.131
1.3