RSX-90nm and Radeon R5 A255 - video card comparison

RSX-90nm

Radeon R5 A255

Architecture

Curie (2003−2013)

GCN 3.0 (2014−2017)

GPU code name

RSX-90nm

Topaz

Market segment

Desktop

Desktop

Release date

-

2014

Interface

-

PCIe 3.0 x8

Boost clock speed

-

940 MHz

Core clock speed

-

925 MHz

Manufacturing process technology

90 nm

28 nm

Number of transistors

300 million

1,550 million

Pipelines / CUDA cores

-

384

Texture fill rate

-

22.56

Memory type

-

GDDR5

Maximum RAM amount

-

1 GB

Memory bus width

-

128 Bit

Memory clock speed

-

4 GB/s

Memory bandwidth

-

64 GB/s

Display Connectors

-

Portable Device Dependent

DirectX

N/A

12 (12_0)

OpenCL

N/A

2.1

OpenGL

ES 1.1

4.6

Shader Model

-

6.5

Vulkan

N/A

1.2.170