
GeForce 940M and GeForce GTS 450 Rev. 2 - video card comparison
GeForce 940M
GeForce GTS 450 Rev. 2
Architecture
Maxwell (2014−2018)
Fermi 2.0 (2010−2014)
GPU code name
N16S-GT-S/B
GF116
Market segment
Laptop
Desktop
Release date
March 2015
March 2011
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
1176 MHz
-
Core clock speed
1072 MHz
783 MHz
Floating-point performance
903.2 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)
75 Watt
106 Watt
Texture fill rate
28.22
25.06
Memory type
DDR3
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
3608 MHz
Memory bandwidth
14.4 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
1.1.126
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-