GeForce RTX 4090 and GeForce RTX 4080 Mobile - video card comparison
GeForce RTX 4090
GeForce RTX 4080 Mobile
Architecture
Ada Lovelace
Ada Lovelace
GPU code name
AD102-300-A1
GN21-X9
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
2520 MHz
2280 MHz
Core clock speed
2235 MHz
1860 MHz
Manufacturing process technology
5 nm
5 nm
Number of transistors
76,300 million
35,800 million
Pipelines / CUDA cores
16384
7424
Power consumption (TDP)
450 Watt
150 Watt (60 - 150 Watt TGP)
Texture fill rate
1,290
386.3
Memory type
GDDR6X
GDDR6X
Maximum RAM amount
24 GB
12 GB
Memory bus width
384 Bit
192 Bit
Memory clock speed
21000 MHz
20000 MHz
Memory bandwidth
1,008 GB/s
432.0 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