
Radeon RX 640 and GeForce MX550 - video card comparison
Passmark - benchmark score Radeon RX 640 vs GeForce MX550
Radeon RX 640
2020
GeForce MX550
4713
Radeon RX 640
GeForce MX550
Architecture
Polaris (2016−2019)
Turing (2018−2021)
GPU code name
Polaris 12
GN18-S5
Market segment
Laptop
Laptop
Release date
August 2019
December 2021
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1218 MHz
1320 MHz
Core clock speed
1218 MHz
-
Manufacturing process technology
14 nm
12 nm
Number of transistors
2,200 million
4,700 million
Pipelines / CUDA cores
640
1024
Power consumption (TDP)
50 Watt
15-25 Watt
Texture fill rate
38.98
42.24
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
6000 MHz
12000 MHz
Memory bandwidth
112.0 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
CUDA
-
7.5
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.4
6.6
Vulkan
1.2.131
1.2
FreeSync
+
-
Optimus
-
+