
GeForce 940MX and Quadro K420 - video card comparison
Passmark - benchmark score GeForce 940MX vs Quadro K420
GeForce 940MX
1561
Quadro K420
768
GeForce 940MX
Quadro K420
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
N16S-GTR-B/S
GK107
Market segment
Laptop
Workstation
Release date
March 2016
July 2014
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1242 MHz
-
Core clock speed
1122 MHz
876 MHz
Floating-point performance
762.6 gflops
336.4 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
1,270 million
Pipelines / CUDA cores
384
192
Power consumption (TDP)
23 Watt
41 Watt
Texture fill rate
23.83
14.02
Memory type
DDR3, GDDR5
128 Bit
Maximum RAM amount
4 GB
1 GB/2 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
4000 MHz
1782 MHz
Memory bandwidth
40.1 GB/s
Up to 29 GB/s
Shared memory
-
-
Display Connectors
No outputs
DVI-I DP
Number of simultaneous displays
-
4
DirectX
12 (11_0)
12
CUDA
+
3.0
OpenCL
1.2
1.2
OpenGL
4.5
4.5
Shader Model
5.1
5
Vulkan
1.1
+
3D Vision Pro
-
+
GameWorks
+
-
GPU Boost
2.0
-
Mosaic
-
+
nView Desktop Management
-
+
Optimus
+
-