Radeon R4 Graphics and R420 - video card comparison

Radeon R4 Graphics

R420

Architecture

GCN 2.0 (2013−2017)

R400 (2004−2008)

GPU code name

Beema

R420

Market segment

Desktop

Desktop

Release date

June 2014

-

Interface

IGP

-

Core clock speed

800 MHz

-

Floating-point performance

204.8 gflops

-

Manufacturing process technology

28 nm

130 nm

Number of transistors

930 million

160 million

Pipelines / CUDA cores

128

-

Power consumption (TDP)

15 Watt

-

Texture fill rate

6.400

-

Memory type

System Shared

-

Maximum RAM amount

System Shared

-

Memory bus width

System Shared

-

Memory clock speed

System Shared

-

Display Connectors

No outputs

-

DirectX

12 (12_0)

9.0b (9_2)

OpenCL

2.0

N/A

OpenGL

4.6

2.1

Shader Model

6.3

-

Vulkan

1.2.131

N/A