GeForce RTX 2080 Super Max-Q and GeForce RTX 4080 Mobile - video card comparison
GeForce RTX 2080 Super Max-Q
GeForce RTX 4080 Mobile
Architecture
Turing (2018−2021)
Ada Lovelace
GPU code name
N18E-G3
GN21-X9
Market segment
Laptop
Laptop
Release date
April 2020
January 2023
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
1230 MHz
2280 MHz
Core clock speed
975 MHz
1860 MHz
Manufacturing process technology
12 nm
5 nm
Number of transistors
13,600 million
35,800 million
Pipelines / CUDA cores
3072
7424
Power consumption (TDP)
90 Watt
150 Watt (60 - 150 Watt TGP)
Texture fill rate
207.4
386.3
Memory type
GDDR6
GDDR6X
Maximum RAM amount
8 GB
12 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
11000 MHz
20000 MHz
Memory bandwidth
352.0 GB/s
432.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
G-SYNC support
+
-
DirectX
12 Ultimate (12_2)
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
1.2.140
1.3
VR Ready
+
-