Radeon RX 640 and Radeon RX 640 OEM - video card comparison
Radeon RX 640
Radeon RX 640 OEM
Architecture
Polaris (2016−2019)
GCN 4.0 (2016−2020)
GPU code name
Polaris 12
Polaris 23
Market segment
Laptop
Desktop
Release date
August 2019
April 2020
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1218 MHz
-
Core clock speed
1218 MHz
1295 MHz
Manufacturing process technology
14 nm
14 nm
Number of transistors
2,200 million
2,200 million
Pipelines / CUDA cores
640
640
Power consumption (TDP)
50 Watt
50 Watt
Texture fill rate
38.98
51.80
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
6000 MHz
6 GB/s
Memory bandwidth
112.0 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x 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
FreeSync
+
-