Quadro K420 and GeForce RTX 4070 Mobile - video card comparison
Quadro K420
GeForce RTX 4070 Mobile
Architecture
Kepler (2012−2018)
Ada Lovelace
GPU code name
GK107
GN21-X6
Market segment
Workstation
Laptop
Release date
July 2014
January 2023
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
-
2175 MHz
Core clock speed
876 MHz
1605 MHz
Floating-point performance
336.4 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,270 million
-
Pipelines / CUDA cores
192
4608
Power consumption (TDP)
41 Watt
115 Watt (35 - 115 Watt TGP)
Texture fill rate
14.02
244.1
Memory type
128 Bit
GDDR6
Maximum RAM amount
1 GB/2 GB
8 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
16000 MHz
Memory bandwidth
Up to 29 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
DVI-I DP
Portable Device Dependent
Number of simultaneous displays
4
-
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
+
-