GeForce RTX 3080 Ti 20 GB and GeForce RTX 4090 Mobile - video card comparison

GeForce RTX 3080 Ti 20 GB

GeForce RTX 4090 Mobile

Architecture

Ampere (2020−2022)

Ada Lovelace

GPU code name

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

1665 MHz

2040 MHz

Manufacturing process technology

8 nm

5 nm

Number of transistors

28,300 million

45,900 million

Pipelines / CUDA cores

10240

9728

Power consumption (TDP)

350 Watt

150 Watt (80 - 150 Watt TGP)

Texture fill rate

532.8

515.3

Memory type

GDDR6X

GDDR6

Maximum RAM amount

20 GB

16 GB

Memory bus width

320 Bit

256 Bit

Memory clock speed

19 GB/s

20000 MHz

Memory bandwidth

760.3 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