AMD · Radeon HD 3000 Series

AMD Mobility Radeon HD 3670

The AMD Mobility Radeon HD 3670 is a graphics card released on January 7, 2008. It has 120 shading units, 1 GB of video memory, 25.6 GB/s of memory bandwidth, a boost clock of 680 MHz and a 30 W board power rating. It scores 232 in the PassMark G3D benchmark. It supports DirectX 10.1 and OpenGL 2.

RV635

6/10 key specs recorded · 21 facts

Depth: 28 recorded fields

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

PassMark Videocard Benchmark Wikipedia GPU list tables (wikigrid-2026-09)PassMark Videocard Benchmark

Shading units

120cores

Memory

1 GB

Boost clock

n/a

680 MHz base

Board power

30 W

Performance

The AMD Mobility Radeon HD 3670 scores 232 in the PassMark G3D benchmark, higher than 26.3% of the 2,658 GPUs benchmarked (PassMark rank #2,155), measured across 114 submitted results. Its PassMark G2D score is 331.

PassMark G3D Mark

232

Rank #2,155
Faster than 26.3% of 2,658 GPUs
114 samples

0relative to the fastest GPU on record (41,928)

As stated by PassMark

Category Mobile

Bus interface PCIe x16 2.0

Max memory 1 GB

Core clock 680 MHz

Memory clock 800 MHz

DirectX 10.1

OpenGL 2

First benchmarked 2009-08-30

Samples 114

PassMark listing (collected 2026-10-01)

PassMark's own listing for the AMD Mobility Radeon HD 3670 states the PCIe x16 2.0 interface, up to 1 GB of memory, a core clock of 680 MHz, DirectX 10.1 and OpenGL 2, first benchmarked on 2009-08-30. These are PassMark's figures, shown separately from the specification tables above.

Graphics processor

Architecture Not recorded

Codename RV635

Chip Not recorded

Process node Not recorded

Transistors Not recorded

Die size Not recorded

The AMD Mobility Radeon HD 3670 uses the RV635 graphics processor.

Shader configuration

Shading units 120

Compute units Not recorded

Streaming multiprocessors Not recorded

Execution units Not recorded

Texture units (TMUs) 8

Render output units (ROPs) 4

Ray tracing cores Not recorded

Tensor / AI cores Not recorded

XMX engines Not recorded

Infinity cache Not recorded

The AMD Mobility Radeon HD 3670 has 120 shading units, 8 texture mapping units and 4 render output units.

The AMD Mobility Radeon HD 3670 does not use XMX engines; those are specific to Intel Arc graphics. Feex has no recorded ray tracing core count for the AMD Mobility Radeon HD 3670.

Clock speeds

Base clock 680 MHz

Boost clock Not recorded

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The AMD Mobility Radeon HD 3670 runs at a base clock of 680 MHz.

Memory

Size 1 GB

Type Not recorded

Bus width Not recorded

Bandwidth 25.6 GB/s

The AMD Mobility Radeon HD 3670 is equipped with 1 GB of memory and delivers 25.6 GB/s of memory bandwidth.

Board and power

The AMD Mobility Radeon HD 3670 has a board power rating of 30 W and it connects over PCIe x16 2.0.

Board power (TDP) 30 W

Total board power Not recorded

Suggested PSU Not recorded

Power connectors Not recorded

Slot width Not recorded

Length Not recorded

Width Not recorded

Height Not recorded

Cooler Not recorded

Max temperature Not recorded

Bus interface PCIe x16 2.0

Market

Launched January 7, 2008

Launch price Not recorded

Status Not recorded

Form factor Not recorded

Segment Desktop

Series Radeon HD 3000 Series

The AMD Mobility Radeon HD 3670 was released on January 7, 2008.

Benchmarks

PassMark G3D 232

PassMark G2D 331

Rank #2,155

Samples 114

Graphics and compute APIs

The AMD Mobility Radeon HD 3670 supports DirectX 10.1 and OpenGL 2.

DirectX 10.1

OpenGL 2 (stated by PassMark)

CUDA is an NVIDIA technology and does not apply to the AMD Mobility Radeon HD 3670. Feex has no recorded Vulkan version for the AMD Mobility Radeon HD 3670. Feex has no recorded OpenCL version for the AMD Mobility Radeon HD 3670.

Naming and aliases

The AMD Mobility Radeon HD 3670 is also known by other names: PassMark also lists it as ATI Mobility Radeon HD 3670.

Other names (PassMark) ATI Mobility Radeon HD 3670

Frequently asked questions

How much VRAM does the AMD Mobility Radeon HD 3670 have?

The AMD Mobility Radeon HD 3670 has 1 GB of video memory. Its memory bandwidth is 25.6 GB/s.

How much power does the AMD Mobility Radeon HD 3670 use and what power supply does it need?

The AMD Mobility Radeon HD 3670 has a board power rating of 30 W.

How fast is the AMD Mobility Radeon HD 3670?

The AMD Mobility Radeon HD 3670 scores 232 in the PassMark G3D benchmark, higher than 26.3% of the 2,658 GPUs benchmarked. Its PassMark rank is #2,155.