
GeForce 940MX and GeForce GTS 450 Rev. 2 - video card comparison
GeForce 940MX
GeForce GTS 450 Rev. 2
Architecture
Maxwell (2014−2018)
Fermi 2.0 (2010−2014)
GPU code name
N16S-GTR-B/S
GF116
Market segment
Laptop
Desktop
Release date
March 2016
March 2011
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
1242 MHz
-
Core clock speed
1122 MHz
783 MHz
Floating-point performance
762.6 gflops
601.3 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
1,170 million
Pipelines / CUDA cores
384
192
Power consumption (TDP)
23 Watt
106 Watt
Texture fill rate
23.83
25.06
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
4000 MHz
3608 MHz
Memory bandwidth
40.1 GB/s
57.73 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x mini-HDMI
HDMI
-
+
DirectX
12 (11_0)
12 (11_0)
CUDA
+
2.1
OpenCL
1.2
1.1
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-