AMD · Radeon HD 4000 Series

AMD Mobility Radeon HD 4870 X2

The AMD Mobility Radeon HD 4870 X2 is a graphics card released on January 9, 2009. It has a boost clock of 550 MHz. It supports DirectX 10.1 and OpenGL 3.3.

RV770

1/10 key specs recorded · 6 facts

Depth: 6 recorded fields

Specification data last verified October 1, 2026 against Wikipedia and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 1 of 10 tracked specifications recorded.

WikipediaWikipedia GPU list tables (wikigrid-2026-09)

Shading units

n/a

Memory

n/a

Boost clock

n/a

550 MHz base

Board power

n/a

Graphics processor

Architecture Not recorded

Codename RV770

Chip Not recorded

Process node Not recorded

Transistors Not recorded

Die size Not recorded

The AMD Mobility Radeon HD 4870 X2 uses the RV770 graphics processor.

Clock speeds

Base clock 550 MHz

Boost clock Not recorded

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The AMD Mobility Radeon HD 4870 X2 runs at a base clock of 550 MHz.

Market

Launched January 9, 2009

Launch price Not recorded

Status Not recorded

Form factor Not recorded

Segment desktop

Series Radeon HD 4000 Series

The AMD Mobility Radeon HD 4870 X2 was released on January 9, 2009.

Graphics and compute APIs

The AMD Mobility Radeon HD 4870 X2 supports DirectX 10.1 and OpenGL 3.3.

DirectX 10.1

OpenGL 3.3

CUDA is an NVIDIA technology and does not apply to the AMD Mobility Radeon HD 4870 X2. Feex has no recorded Vulkan version for the AMD Mobility Radeon HD 4870 X2. Feex has no recorded OpenCL version for the AMD Mobility Radeon HD 4870 X2.

Frequently asked questions

When was the AMD Mobility Radeon HD 4870 X2 released?

The AMD Mobility Radeon HD 4870 X2 was released on January 9, 2009.