Quadro K420 and FirePro V4800 - video card comparison
Quadro K420
FirePro V4800
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK107
Redwood
Market segment
Workstation
Workstation
Release date
July 2014
April 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
876 MHz
775 MHz
Floating-point performance
336.4 gflops
620.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
627 million
Pipelines / CUDA cores
192
400
Power consumption (TDP)
41 Watt
69 Watt
Texture fill rate
14.02
15.50
Memory type
128 Bit
GDDR5
Maximum RAM amount
1 GB/2 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
3600 MHz
Memory bandwidth
Up to 29 GB/s
57.6 GB/s
Display Connectors
DVI-I DP
1x DVI, 2x DisplayPort
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
+
-