GeForce RTX 2080 Mobile and GeForce RTX 4080 Mobile - video card comparison
GeForce RTX 2080 Mobile
GeForce RTX 4080 Mobile
Architecture
Turing (2018−2021)
Ada Lovelace
GPU code name
N18E-G3 TU104
GN21-X9
Market segment
Laptop
Laptop
Release date
January 2019
January 2023
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Boost clock speed
1590 MHz
2280 MHz
Core clock speed
1380 MHz
1860 MHz
Manufacturing process technology
12 nm
5 nm
Number of transistors
13,600 million
35,800 million
Pipelines / CUDA cores
2944
7424
Power consumption (TDP)
150 Watt
150 Watt (60 - 150 Watt TGP)
Texture fill rate
292.6
386.3
Memory type
GDDR6
GDDR6X
Maximum RAM amount
8 GB
12 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
14000 MHz
20000 MHz
Memory bandwidth
384.0 GB/s
432.0 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
+
-