AMD · Radeon HD

AMD Radeon HD 8770M

The AMD Radeon HD 8770M is a graphics card released on January 1, 2013, built on the GCN architecture using a 28 nm process. It has 384 shading units, 2 GB of GDDR5 memory and a boost clock of 775 MHz. It supports DirectX 11 and OpenGL 4.4.

GCNMars XT28 nm

6/10 key specs recorded · 25 facts

Depth: 16 recorded fields

Specification data last verified October 1, 2026 against AMD.com Specifications and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 6 of 10 tracked specifications recorded.

AMD.com Specifications Wikipedia GPU list tables (wikigrid-2026-09)

Shading units

384cores

6 compute units

Memory

2 GB

GDDR5

Boost clock

775 MHz

775 MHz base

Board power

n/a

Performance

Theoretical throughput

Texture fill rate 18.6 GTexel/s calculatedcalculated from TMUs x boost clock (MHz) / 1000 = 24 x 775 / 1000

Texture fill rate (18.6 GTexel/s) is calculated by Feex from stored specifications, not stated by AMD.

Graphics processor

Architecture GCN

Codename Mars XT

Chip Not recorded

Process node 28 nm

Transistors Not recorded

Die size Not recorded

The AMD Radeon HD 8770M is based on the GCN architecture, uses the Mars XT graphics processor and is manufactured on a 28 nm process.

Shader configuration

Shading units 384

Compute units 6

Streaming multiprocessors Not recorded

Execution units Not recorded

Texture units (TMUs) 24

Render output units (ROPs) 8

Ray tracing cores Not recorded

Tensor / AI cores Not recorded

XMX engines Not recorded

Infinity cache Not recorded

The AMD Radeon HD 8770M has 384 shading units, 6 compute units, 24 texture mapping units and 8 render output units.

The AMD Radeon HD 8770M does not use XMX engines; those are specific to Intel Arc graphics. Feex has no recorded ray tracing core count for the AMD Radeon HD 8770M.

Clock speeds

Base clock 775 MHz

Boost clock 775 MHz

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The AMD Radeon HD 8770M runs at a base clock of 775 MHz and boosts to 775 MHz.

Memory

Size 2 GB

Type GDDR5

Bus width Not recorded

Bandwidth Not recorded

The AMD Radeon HD 8770M is equipped with 2 GB of GDDR5 memory.

Market

Launched January 1, 2013

Launch price Not recorded

Status Not recorded

Form factor Not recorded

Segment Desktop

Series Radeon HD

The AMD Radeon HD 8770M was released on January 1, 2013.

Graphics and compute APIs

The AMD Radeon HD 8770M supports DirectX 11 and OpenGL 4.4.

DirectX 11

OpenGL 4.4

CUDA is an NVIDIA technology and does not apply to the AMD Radeon HD 8770M. Feex has no recorded Vulkan version for the AMD Radeon HD 8770M. Feex has no recorded OpenCL version for the AMD Radeon HD 8770M.

Frequently asked questions

How much VRAM does the AMD Radeon HD 8770M have?

The AMD Radeon HD 8770M has 2 GB of GDDR5 memory.

When was the AMD Radeon HD 8770M released?

The AMD Radeon HD 8770M was released on January 1, 2013.

Corrections to this record

After an audit, 1 empty field was filled from sources. Each change is listed with its old value, new value, rule and sources.

1 filled value

Architecture: GCN (was Not recorded). Rule: Architecture from chip codename. chip Mars -> GCN 1. Sources: Wikipedia: List of AMD graphics processing units (revision 1376670003).

The audit log is public: all changes for this GPU, the corrections overview and the method.