
Quadro K420 and GeForce RTX 4090 Ti - video card comparison
Quadro K420
GeForce RTX 4090 Ti
Architecture
Kepler (2012−2018)
Ada Lovelace
GPU code name
GK107
AD102
Market segment
Workstation
Desktop
Release date
July 2014
2023
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
2x 16-pin
Boost clock speed
-
2565 MHz
Core clock speed
876 MHz
-
Floating-point performance
336.4 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,270 million
76,300 million
Pipelines / CUDA cores
192
18176
Power consumption (TDP)
41 Watt
600 Watt
Texture fill rate
14.02
1,457
Memory type
128 Bit
GDDR6X
Maximum RAM amount
1 GB/2 GB
24 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
1782 MHz
24 GB/s
Memory bandwidth
Up to 29 GB/s
1,152 GB/s
Display Connectors
DVI-I DP
1x HDMI 2.1, 3x DisplayPort 1.4a
Number of simultaneous displays
4
-
HDMI
-
+
DirectX
12
12 Ultimate (12_2)
CUDA
3.0
8.9
OpenCL
1.2
3.0
OpenGL
4.5
4.6
Shader Model
5
6.7
Vulkan
+
1.3
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-