Quadro 4000M and Quadro K420 - video card comparison
Passmark - benchmark score Quadro 4000M vs Quadro K420
Quadro 4000M
1341
Quadro K420
768
Quadro 4000M
Quadro K420
Architecture
Fermi (2010−2014)
Kepler (2012−2018)
GPU code name
Fermi
GK107
Market segment
Mobile workstation
Workstation
Release date
February 2011
July 2014
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
475 MHz
876 MHz
Floating-point performance
638.4 gflops
336.4 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,950 million
1,270 million
Pipelines / CUDA cores
336
192
Power consumption (TDP)
100 Watt
41 Watt
Texture fill rate
26.60
14.02
Memory type
GDDR5
128 Bit
Maximum RAM amount
2 GB
1 GB/2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1200 MHz
1782 MHz
Memory bandwidth
80 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
2.1
3.0
OpenCL
1.1
1.2
OpenGL
4.6
4.5
Shader Model
5.1
5
Vulkan
N/A
+
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+