Radeon RX 580 2048SP and Radeon RX 640 - video card comparison
Passmark - benchmark score Radeon RX 580 2048SP vs Radeon RX 640
Radeon RX 580 2048SP
7930
Radeon RX 640
2020
Radeon RX 580 2048SP
Radeon RX 640
Architecture
GCN 4.0 (2016−2020)
Polaris (2016−2019)
GPU code name
Polaris 20
Polaris 12
Market segment
Desktop
Laptop
Release date
October 2018
August 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1284 MHz
1218 MHz
Core clock speed
1168 MHz
1218 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
38.98
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
7000 MHz
6000 MHz
Memory bandwidth
224.0 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.2.131
1.2.131
FreeSync
-
+