Radeon RX 640 and Arc A550M - video card comparison
Radeon RX 640
Arc A550M
Architecture
Polaris (2016−2019)
Xe HPG (2020−2022)
GPU code name
Polaris 12
Alchemist
Market segment
Laptop
Laptop
Release date
August 2019
March 2022
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
1218 MHz
2005 MHz
Core clock speed
1218 MHz
900 MHz
Manufacturing process technology
14 nm
6 nm
Number of transistors
2,200 million
21,700 million
Pipelines / CUDA cores
640
16
Power consumption (TDP)
50 Watt
80 Watt (60 - 80 Watt TGP)
Texture fill rate
38.98
115.2
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
8 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
6000 MHz
14000 MHz
Memory bandwidth
112.0 GB/s
192.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.4
6.6
Vulkan
1.2.131
1.3
FreeSync
+
-