R423 and NV41 - video card comparison

R423

NV41

Architecture

R400 (2004−2008)

Curie (2003−2013)

GPU code name

R423

NV41

Market segment

Desktop

Desktop

Release date

-

-

Manufacturing process technology

130 nm

130 nm

Number of transistors

160 million

222 million

DirectX

9.0b (9_2)

9.0c (9_3)

OpenCL

N/A

N/A

OpenGL

2.1

2.0 (full) Shader Model-3.0

Vulkan

N/A

N/A

PureVideo HD

-

VP1