Radeon RX 640 and GeForce MX450 - video card comparison
Passmark - benchmark score Radeon RX 640 vs GeForce MX450
Radeon RX 640
2020
GeForce MX450
3845
Radeon RX 640
GeForce MX450
Architecture
Polaris (2016−2019)
Turing (2018−2021)
GPU code name
Polaris 12
N17S-G5 / GP107-670-A1
Market segment
Laptop
Laptop
Release date
August 2019
August 2020
Interface
PCIe 3.0 x8
PCIe 4.0 x4
Supplementary power connectors
None
None
Boost clock speed
1218 MHz
1575 MHz
Core clock speed
1218 MHz
1395 MHz
Manufacturing process technology
14 nm
12 nm
Number of transistors
2,200 million
4,700 million
Pipelines / CUDA cores
640
896
Power consumption (TDP)
50 Watt
25 Watt (12 - 29 Watt TGP)
Texture fill rate
38.98
100.8
Memory type
GDDR5
GDDR5, GDDR6
Maximum RAM amount
4 GB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
6000 MHz
10000 MHz
Memory bandwidth
112.0 GB/s
64.03 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
1.2
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2
FreeSync
+
-
Optimus
-
+