RS600 and RS400 - video card comparison

RS600

RS400

Architecture

R400 (2004−2008)

R300

GPU code name

RS600

RS400

Market segment

Desktop

Desktop

Release date

-

-

Manufacturing process technology

90 nm

130 nm

Number of transistors

120 million

-

DirectX

9.0b (9_2)

9.0 (9_0)

OpenCL

N/A

N/A

OpenGL

2.0

2.0

Vulkan

N/A

N/A