GeForce 940MX and GeForce MX450 30.5W 8Gbps - video card comparison
GeForce 940MX
GeForce MX450 30.5W 8Gbps
Architecture
Maxwell (2014−2018)
Turing (2018−2021)
GPU code name
N16S-GTR-B/S
TU117
Market segment
Laptop
Desktop
Release date
March 2016
August 2020
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 4.0 x4
Supplementary power connectors
None
None
Boost clock speed
1242 MHz
1275 MHz
Core clock speed
1122 MHz
-
Floating-point performance
762.6 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
1,870 million
4,700 million
Pipelines / CUDA cores
384
896
Power consumption (TDP)
23 Watt
31 Watt
Texture fill rate
23.83
71.40
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
4000 MHz
8 GB/s
Memory bandwidth
40.1 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
+
7.5
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5.1
6.5
Vulkan
1.1
1.2
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-