GeForce RTX 3080 12 GB and GeForce RTX 4090 Mobile - video card comparison

GeForce RTX 3080 12 GB

GeForce RTX 4090 Mobile

Architecture

Ampere (2020−2022)

Ada Lovelace

GPU code name

Ampere GA102

GN21-X11

Market segment

Desktop

Laptop

Release date

January 2022

January 2023

Interface

PCIe 4.0 x16

Supplementary power connectors

1x 12-pin

Boost clock speed

1260 MHz

2040 MHz

Manufacturing process technology

8 nm

5 nm

Number of transistors

28,300 million

45,900 million

Pipelines / CUDA cores

8960

9728

Power consumption (TDP)

350 Watt

150 Watt (80 - 150 Watt TGP)

Texture fill rate

478.8

515.3

Memory type

GDDR6X

GDDR6

Maximum RAM amount

12 GB

16 GB

Memory bus width

384 Bit

256 Bit

Memory clock speed

1710 MHz

20000 MHz

Memory bandwidth

912.4 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)

CUDA

8.6

8.9

OpenCL

3.0

OpenGL

4.6

Shader Model

6.6

6.7

Vulkan

1.3