R580+ and NV28 A1 - video card comparison

R580+

NV28 A1

Architecture

Ultra-Threaded SE

Kelvin (2001−2003)

GPU code name

R580+

NV28 A1

Market segment

Desktop

Desktop

Release date

-

-

Manufacturing process technology

90 nm

150 nm

Number of transistors

384 million

36 million

DirectX

9.0c (9_3)

8.1

OpenCL

N/A

N/A

OpenGL

2.1 (full) Shader Model

3.0-

Vulkan

N/A

N/A