Radeon RX 550X 640SP and Radeon RX 590 GME - video card comparison
Radeon RX 550X 640SP
Radeon RX 590 GME
Architecture
GCN 4.0 (2016−2020)
GCN 4.0 (2016−2020)
GPU code name
Baffin
Polaris 20
Market segment
Desktop
Desktop
Release date
April 2018
March 2020
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
1x 8-pin
Boost clock speed
1071 MHz
1420 MHz
Core clock speed
1019 MHz
-
Floating-point performance
1,371 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
3,000 million
5,700 million
Pipelines / CUDA cores
640
2304
Power consumption (TDP)
60 Watt
175 Watt
Texture fill rate
42.84
204.5
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
8 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
6000 MHz
8 GB/s
Memory bandwidth
96 GB/s
256.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.0b, 3x 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