
Quadro K420 and Seymour - video card comparison
Quadro K420
Seymour
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK107
Seymour
Market segment
Workstation
Desktop
Release date
July 2014
-
Interface
PCIe 2.0 x16
-
Supplementary power connectors
None
-
Core clock speed
876 MHz
-
Floating-point performance
336.4 gflops
-
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
370 million
Pipelines / CUDA cores
192
160
Power consumption (TDP)
41 Watt
-
Texture fill rate
14.02
-
Memory type
128 Bit
-
Maximum RAM amount
1 GB/2 GB
-
Memory bus width
128 Bit
-
Memory clock speed
1782 MHz
-
Memory bandwidth
Up to 29 GB/s
-
Display Connectors
DVI-I DP
-
Number of simultaneous displays
4
-
DirectX
12
11.2 (11_0)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.5
4.4
Shader Model
5
5.0
Vulkan
+
N/A
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-