GeForce RTX 2080 Mobile and GeForce RTX 4090 Max-Q - video card comparison
GeForce RTX 2080 Mobile
GeForce RTX 4090 Max-Q
Architecture
Turing (2018−2021)
Ada Lovelace
GPU code name
N18E-G3 TU104
AD103
Market segment
Laptop
Desktop
Release date
January 2019
January 2023
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
None
Boost clock speed
1590 MHz
1455 MHz
Core clock speed
1380 MHz
-
Manufacturing process technology
12 nm
4 nm
Number of transistors
13,600 million
45,900 million
Pipelines / CUDA cores
2944
9728
Power consumption (TDP)
150 Watt
80 Watt
Texture fill rate
292.6
442.3
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
14000 MHz
14 GB/s
Memory bandwidth
384.0 GB/s
448.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
G-SYNC support
+
-
DirectX
12 Ultimate (12_1)
12 Ultimate (12_2)
CUDA
7.5
8.9
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2.131
1.3
VR Ready
+
-