Radeon X1900 XTX and Radeon X1900 XT - video card comparison

Radeon X1900 XTX

Radeon X1900 XT

Architecture

R500 (2005−2007)

R500 (2005−2007)

GPU code name

R580

R580

Market segment

Desktop

Desktop

Release date

January 2006

January 2006

Interface

PCIe 1.0 x16

PCIe 1.0 x16

Supplementary power connectors

1x 6-pin

1x 6-pin

Core clock speed

650 MHz

625 MHz

Manufacturing process technology

90 nm

90 nm

Number of transistors

384 million

384 million

Power consumption (TDP)

135 Watt

100 Watt

Texture fill rate

10.40

10.00

Memory type

GDDR3

GDDR3

Maximum RAM amount

512 MB

256 MB

Memory bus width

256 Bit

256 Bit

Memory clock speed

1550 MBps

1450 MBps

Memory bandwidth

49.6 GB/s

46.4 GB/s

Display Connectors

2x DVI, 1x S-Video

2x DVI, 1x S-Video

DirectX

9.0c (9_3)

9.0c (9_3)

OpenCL

N/A

N/A

OpenGL

2.1 (full) Shader Model

3.03.0

Vulkan

N/A

N/A