RTX A4000 and GeForce RTX 4090 Mobile - video card comparison
RTX A4000
GeForce RTX 4090 Mobile
Architecture
Ampere (2020−2022)
Ada Lovelace
GPU code name
GA104
GN21-X11
Market segment
Workstation
Laptop
Release date
April 2021
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
-
Boost clock speed
1560 MHz
2040 MHz
Manufacturing process technology
8 nm
5 nm
Number of transistors
17,400 million
45,900 million
Pipelines / CUDA cores
6144
9728
Power consumption (TDP)
140 Watt
150 Watt (80 - 150 Watt TGP)
Texture fill rate
299.5
515.3
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
14 GB/s
20000 MHz
Memory bandwidth
448.0 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
4x DisplayPort 1.4a
Portable Device Dependent
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.6
8.9
OpenCL
3.0
3.0
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3