GeForce RTX 3090 SUPER and GeForce RTX 4080 Mobile - video card comparison
GeForce RTX 3090 SUPER
GeForce RTX 4080 Mobile
Architecture
Ampere (2020−2022)
Ada Lovelace
GPU code name
GA102
GN21-X9
Market segment
Desktop
Laptop
Release date
-
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 12-pin
-
Boost clock speed
1695 MHz
2280 MHz
Core clock speed
-
1860 MHz
Manufacturing process technology
8 nm
5 nm
Number of transistors
28,300 million
35,800 million
Pipelines / CUDA cores
10752
7424
Power consumption (TDP)
400 Watt
150 Watt (60 - 150 Watt TGP)
Texture fill rate
569.5
386.3
Memory type
GDDR6X
GDDR6X
Maximum RAM amount
24 GB
12 GB
Memory bus width
384 Bit
192 Bit
Memory clock speed
21.2 GB/s
20000 MHz
Memory bandwidth
1,018 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
3.0
3.0
OpenGL
4.6
4.6
Shader Model
6.6
6.7
Vulkan
1.2
1.3