
Quadro K620 and GeForce RTX 4090 Mobile - video card comparison
Quadro K620
GeForce RTX 4090 Mobile
Architecture
Maxwell (2014−2018)
Ada Lovelace
GPU code name
GM107
GN21-X11
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
1124 MHz
2040 MHz
Core clock speed
1058 MHz
-
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,870 million
45,900 million
Pipelines / CUDA cores
384
9728
Power consumption (TDP)
41 Watt
150 Watt (80 - 150 Watt TGP)
Texture fill rate
26.98
515.3
Memory type
128 Bit
GDDR6
Maximum RAM amount
2 GB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1800 MHz
20000 MHz
Memory bandwidth
Up to 29 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
DVI-I DP
Portable Device Dependent
Number of simultaneous displays
4
-
DirectX
12
12 Ultimate (12_2)
CUDA
5.0
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
+
-