
Quadro K420 and Quadro Plex 7000 - video card comparison
Quadro K420
Quadro Plex 7000
Architecture
Kepler (2012−2018)
Fermi 2.0 (2010−2014)
GPU code name
GK107
GF110
Market segment
Workstation
Workstation
Release date
July 2014
July 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Core clock speed
876 MHz
574 MHz
Floating-point performance
336.4 gflops
2x 1,175.6 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
3,000 million
Pipelines / CUDA cores
192
512
Power consumption (TDP)
41 Watt
600 Watt
Texture fill rate
14.02
36.74
Memory type
128 Bit
GDDR5
Maximum RAM amount
1 GB/2 GB
6 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
1782 MHz
3000 MHz
Memory bandwidth
Up to 29 GB/s
144.0 GB/s
Display Connectors
DVI-I DP
4x DVI, 2x S-Video
Number of simultaneous displays
4
-
DirectX
12
12 (11_0)
CUDA
3.0
2.0
OpenCL
1.2
1.1
OpenGL
4.5
4.6
Shader Model
5
5.1
Vulkan
+
N/A
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-