Radeon X1900 XT and GeForce RTX 4090 - video card comparison

Radeon X1900 XT

GeForce RTX 4090

Architecture

R500 (2005−2007)

Ada Lovelace

GPU code name

R580

AD102-300-A1

Market segment

Desktop

Release date

January 2006

September 2022

Interface

PCIe 1.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin

1x 16-pin

Boost clock speed

2520 MHz

Core clock speed

625 MHz

2235 MHz

Manufacturing process technology

90 nm

5 nm

Number of transistors

384 million

76,300 million

Pipelines / CUDA cores

16384

Power consumption (TDP)

100 Watt

450 Watt

Texture fill rate

10.00

1,290

Memory type

GDDR3

GDDR6X

Maximum RAM amount

256 MB

24 GB

Memory bus width

256 Bit

384 Bit

Memory clock speed

1450 MBps

21000 MHz

Memory bandwidth

46.4 GB/s

1,008 GB/s

Shared memory

Display Connectors

2x DVI, 1x S-Video

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

DirectX

9.0c (9_3)

12 Ultimate (12_2)

CUDA

8.9

OpenCL

N/A

3.0

OpenGL

2.1 (full) Shader Model

3.06.6

Vulkan

N/A

1.3