GeForce RTX 3080 Max-Q and GeForce RTX 4080 Mobile - video card comparison
GeForce RTX 3080 Max-Q
GeForce RTX 4080 Mobile
Architecture
Ampere (2020−2022)
Ada Lovelace
GPU code name
GN20-E7 GA104
GN21-X9
Market segment
Laptop
Laptop
Release date
January 2021
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
1245 MHz
2280 MHz
Core clock speed
780 MHz
1860 MHz
Manufacturing process technology
8 nm
5 nm
Number of transistors
17,400 million
35,800 million
Pipelines / CUDA cores
6144
7424
Power consumption (TDP)
80 Watt
150 Watt (60 - 150 Watt TGP)
Texture fill rate
239.0
386.3
Memory type
GDDR6
GDDR6X
Maximum RAM amount
16 GB
12 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
6000 MHz
20000 MHz
Memory bandwidth
320.0 GB/s
432.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
Portable Device Dependent
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.6
8.9
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3