GeForce 940MX and A40 PCIe - video card comparison
GeForce 940MX
A40 PCIe
Architecture
Maxwell (2014−2018)
Ampere (2020−2022)
GPU code name
N16S-GTR-B/S
GA102
Market segment
Laptop
Desktop
Release date
March 2016
October 2020
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
8-pin EPS
Boost clock speed
1242 MHz
1755 MHz
Core clock speed
1122 MHz
-
Floating-point performance
762.6 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
1,870 million
28,300 million
Pipelines / CUDA cores
384
10752
Power consumption (TDP)
23 Watt
300 Watt
Texture fill rate
23.83
589.7
Memory type
DDR3, GDDR5
GDDR6
Maximum RAM amount
4 GB
48 GB
Memory bus width
64 Bit
384 Bit
Memory clock speed
4000 MHz
14.5 GB/s
Memory bandwidth
40.1 GB/s
695.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
3x DisplayPort
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
+
8.6
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.5
Vulkan
1.1
1.2
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-