GeForce MX550 and Radeon RX 640 OEM - video card comparison
GeForce MX550
Radeon RX 640 OEM
Architecture
Turing (2018−2021)
GCN 4.0 (2016−2020)
GPU code name
GN18-S5
Polaris 23
Market segment
Laptop
Desktop
Release date
December 2021
April 2020
Interface
PCIe 4.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1320 MHz
-
Core clock speed
-
1295 MHz
Manufacturing process technology
12 nm
14 nm
Number of transistors
4,700 million
2,200 million
Pipelines / CUDA cores
1024
640
Power consumption (TDP)
15-25 Watt
50 Watt
Texture fill rate
42.24
51.80
Memory type
GDDR6
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
12000 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_1)
12 (12_0)
CUDA
7.5
-
OpenCL
3.0
2.1
OpenGL
4.6
4.6
Shader Model
6.6
6.7 (6.4)
Vulkan
1.2
1.3
Optimus
+
-