GeForce RTX 4090 and RTX A4000H - video card comparison

GeForce RTX 4090

RTX A4000H

Architecture

Ada Lovelace

Ampere (2020−2022)

GPU code name

AD102-300-A1

GA104

Market segment

Desktop

Desktop

Release date

September 2022

April 2021

Interface

PCIe 4.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 16-pin

1x 6-pin

Boost clock speed

2520 MHz

1560 MHz

Core clock speed

2235 MHz

-

Manufacturing process technology

5 nm

8 nm

Number of transistors

76,300 million

17,400 million

Pipelines / CUDA cores

16384

6144

Power consumption (TDP)

450 Watt

140 Watt

Texture fill rate

1,290

299.5

Memory type

GDDR6X

GDDR6

Maximum RAM amount

24 GB

16 GB

Memory bus width

384 Bit

256 Bit

Memory clock speed

21000 MHz

14 GB/s

Memory bandwidth

1,008 GB/s

448.0 GB/s

Shared memory

-

-

Display Connectors

1x HDMI 2.1, 3x DisplayPort 1.4a

4x DisplayPort 1.4a

HDMI

+

-

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

8.9

8.6

OpenCL

3.0

3.0

OpenGL

4.6

4.6

Shader Model

6.6

6.7

Vulkan

1.3

1.3