Radeon RX 590 and Radeon RX 640 - video card comparison
Passmark - benchmark score Radeon RX 590 vs Radeon RX 640
Radeon RX 590
9695
Radeon RX 640
2020
Radeon RX 590
Radeon RX 640
Architecture
Polaris (2016−2019)
Polaris (2016−2019)
GPU code name
Polaris 30
Polaris 12
Market segment
Desktop
Laptop
Release date
November 2018
August 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1545 MHz
1218 MHz
Core clock speed
1469 MHz
1218 MHz
Manufacturing process technology
12 nm
14 nm
Number of transistors
5,700 million
2,200 million
Pipelines / CUDA cores
2304
640
Power consumption (TDP)
175 Watt
50 Watt
Texture fill rate
222.5
38.98
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
8000 MHz
6000 MHz
Memory bandwidth
256.0 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
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
+
+