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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
+
-