Radeon RX 580 2048SP and Radeon RX 640 OEM - video card comparison
Radeon RX 580 2048SP
Radeon RX 640 OEM
Architecture
GCN 4.0 (2016−2020)
GCN 4.0 (2016−2020)
GPU code name
Polaris 20
Polaris 23
Market segment
Desktop
Desktop
Release date
October 2018
April 2020
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1284 MHz
-
Core clock speed
1168 MHz
1295 MHz
Manufacturing process technology
14 nm
14 nm
Number of transistors
5,700 million
2,200 million
Pipelines / CUDA cores
2048
640
Power consumption (TDP)
150 Watt
50 Watt
Texture fill rate
164.4
51.80
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
7000 MHz
6 GB/s
Memory bandwidth
224.0 GB/s
96 GB/s
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
1x DisplayPort 1.4a, 2x mini-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 (6.4)
Vulkan
1.2.131
1.3