GeForce FX 5900 and R420 - video card comparison

GeForce FX 5900

R420

Architecture

Rankine (2003−2005)

R400 (2004−2008)

GPU code name

NV35

R420

Market segment

Desktop

Desktop

Release date

May 2003

-

Interface

AGP 8x

-

Supplementary power connectors

1x Molex

-

Core clock speed

400 MHz

-

Manufacturing process technology

130 nm

130 nm

Number of transistors

135 million

160 million

Texture fill rate

3.200

-

Memory type

DDR

-

Maximum RAM amount

128 MB

-

Memory bus width

256 Bit

-

Memory clock speed

850 MHz

-

Memory bandwidth

27.2 GB/s

-

Display Connectors

1x DVI, 1x VGA, 1x S-Video

-

DirectX

9.0a

9.0b (9_2)

OpenCL

N/A

N/A

OpenGL

1.5 (2.1)

2.1

Vulkan

N/A

N/A