Radeon HD 8870 OEM and RSX-90nm - video card comparison

Radeon HD 8870 OEM

RSX-90nm

Architecture

GCN 1.0 (2012−2020)

Curie (2003−2013)

GPU code name

Pitcairn

RSX-90nm

Market segment

Desktop

Release date

January 2013

Interface

PCIe 3.0 x16

Supplementary power connectors

2x 6-pin

Core clock speed

1000 MHz

Floating-point performance

2,560 gflops

Manufacturing process technology

28 nm

90 nm

Number of transistors

2,800 million

300 million

Pipelines / CUDA cores

1280

Power consumption (TDP)

175 Watt

Texture fill rate

80.00

Memory type

GDDR5

Maximum RAM amount

2 GB

Memory bus width

256 Bit

Memory clock speed

4800 MHz

Memory bandwidth

153.6 GB/s

Display Connectors

1x DVI, 1x HDMI, 2x mini-DisplayPort

HDMI

DirectX

12 (11_1)

N/A

OpenCL

1.2

N/A

OpenGL

4.6

ES 1.1

Shader Model

5.1

Vulkan

1.2.131

N/A