GeForce RTX 3080 and GeForce RTX 4080 Mobile - video card comparison
GeForce RTX 3080
GeForce RTX 4080 Mobile
Architecture
Ampere (2020−2022)
Ada Lovelace
GPU code name
Ampere GA102
GN21-X9
Market segment
Desktop
Laptop
Release date
September 2020
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 12-pin
-
Boost clock speed
1710 MHz
2280 MHz
Core clock speed
1450 MHz
1860 MHz
Manufacturing process technology
8 nm
5 nm
Number of transistors
28,300 million
35,800 million
Pipelines / CUDA cores
8704
7424
Power consumption (TDP)
320 Watt
150 Watt (60 - 150 Watt TGP)
Texture fill rate
465.1
386.3
Memory type
GDDR6X
GDDR6X
Maximum RAM amount
10 GB
12 GB
Memory bus width
320 Bit
192 Bit
Memory clock speed
19000 MHz
20000 MHz
Memory bandwidth
760.3 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
8.5
8.9
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3