GeForce 940MX and GeForce RTX 4080 Mobile - video card comparison
GeForce 940MX
GeForce RTX 4080 Mobile
Architecture
Maxwell (2014−2018)
Ada Lovelace
GPU code name
N16S-GTR-B/S
GN21-X9
Market segment
Laptop
Laptop
Release date
March 2016
January 2023
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
1242 MHz
2280 MHz
Core clock speed
1122 MHz
1860 MHz
Floating-point performance
762.6 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,870 million
35,800 million
Pipelines / CUDA cores
384
7424
Power consumption (TDP)
23 Watt
150 Watt (60 - 150 Watt TGP)
Texture fill rate
23.83
386.3
Memory type
DDR3, GDDR5
GDDR6X
Maximum RAM amount
4 GB
12 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
4000 MHz
20000 MHz
Memory bandwidth
40.1 GB/s
432.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
+
8.9
OpenCL
1.2
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.7
Vulkan
1.1
1.3
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-