Radeon RX 580 and Radeon 550 - video card comparison
Passmark - benchmark score Radeon RX 580 vs Radeon 550
Radeon RX 580
9140
Radeon 550
2018
Radeon RX 580
Radeon 550
Architecture
Polaris (2016−2019)
GCN 4.0 (2016−2020)
GPU code name
Polaris 20
Lexa
Market segment
Desktop
Desktop
Release date
April 2017
April 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1340 MHz
1183 MHz
Core clock speed
1257 MHz
1100 MHz
Floating-point performance
6,175 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
5,700 million
2,200 million
Pipelines / CUDA cores
2304
512
Power consumption (TDP)
185 Watt
50 Watt
Texture fill rate
193.0
37.86
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
8000 MHz
7 GB/s
Memory bandwidth
256.0 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