GeForce RTX 4080 and GeForce RTX 4090 Mobile - video card comparison
GeForce RTX 4080
GeForce RTX 4090 Mobile
Architecture
Ada Lovelace
Ada Lovelace
GPU code name
AD103-300-A1
GN21-X11
Market segment
Desktop
Laptop
Release date
September 2022
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 16-pin
-
Boost clock speed
2505 MHz
2040 MHz
Core clock speed
2205 MHz
-
Manufacturing process technology
5 nm
5 nm
Number of transistors
45,900 million
45,900 million
Pipelines / CUDA cores
9728
9728
Power consumption (TDP)
320 Watt
150 Watt (80 - 150 Watt TGP)
Texture fill rate
761.5
515.3
Memory type
GDDR6X
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
22400 MHz
20000 MHz
Memory bandwidth
716.8 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
Portable Device Dependent
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.9
8.9
OpenCL
3.0
3.0
OpenGL
4.6
4.6
Shader Model
6.6
6.7
Vulkan
1.3
1.3