Radeon RX 550X Mobile and Radeon RX 640 OEM - video card comparison
Radeon RX 550X Mobile
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
January 2019
April 2020
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
1287 MHz
-
Core clock speed
1176 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
51.48
51.80
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
7000 MHz
6 GB/s
Memory bandwidth
96 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DisplayPort 1.4a, 2x mini-DisplayPort 1.4a
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
+
-