NV18 A4 and M28 - video card comparison

NV18 A4

M28

Architecture

Celsius (1999−2005)

R400 (2004−2008)

GPU code name

NV18 A4

M28

Market segment

Desktop

Desktop

Release date

-

-

Manufacturing process technology

150 nm

130 nm

Number of transistors

29 million

160 million

DirectX

8.0

9.0b (9_2)

OpenCL

N/A

N/A

OpenGL

1.3

2.1

Vulkan

N/A

N/A