NV28 A2 and R300 - video card comparison
NV28 A2
R300
Architecture
Kelvin (2001−2003)
R300
GPU code name
NV28 A2
R300
Market segment
Desktop
Desktop
Release date
-
-
Manufacturing process technology
150 nm
150 nm
Number of transistors
36 million
110 million
DirectX
8.1
9.0 (9_0)
OpenCL
N/A
N/A
OpenGL
1.3
2.0
Vulkan
N/A
N/A