GeForce RTX 3080 Mobile and GeForce RTX 4090 - video card comparison
GeForce RTX 3080 Mobile
GeForce RTX 4090
Architecture
Ampere (2020−2022)
Ada Lovelace
GPU code name
GN20-E7 GA104
AD102-300-A1
Market segment
Laptop
Desktop
Release date
January 2021
September 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
1245 - 1710 MHz
2520 MHz
Core clock speed
780 - 1100 MHz
2235 MHz
Manufacturing process technology
8 nm
5 nm
Number of transistors
17,400 million
76,300 million
Pipelines / CUDA cores
6144
16384
Power consumption (TDP)
150 Watt (80 - 150 Watt TGP)
450 Watt
Texture fill rate
296.6
1,290
Memory type
GDDR6
GDDR6X
Maximum RAM amount
16 GB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
14000 MHz
21000 MHz
Memory bandwidth
384.0 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
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
6.6
Vulkan
1.2
1.3