Feex·GPU
AMD · Radeon HD 3000 Series

AMD Mobility Radeon HD 3850

The AMD Mobility Radeon HD 3850 is a graphics card released on June 4, 2008. It has 320 shading units, 512 MB of GDDR3 memory, 48.0 GB/s of memory bandwidth and a boost clock of 580 MHz. It scores 366 in the PassMark G3D benchmark. It supports DirectX 10.1 and OpenGL 2.

RV670
6/10 key specs recorded · 23 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.

Shading units
320cores
Memory
512 MB
GDDR3
Boost clock
n/a
580 MHz base
Board power
n/a

Performance

The AMD Mobility Radeon HD 3850 scores 366 in the PassMark G3D benchmark, higher than 31.2% of the 2,658 GPUs benchmarked (PassMark rank #2,024), measured across 2 submitted results. Its PassMark G2D score is 248.

PassMark G3D Mark
366
Rank #2,024
Faster than 31.2% of 2,658 GPUs
2 samples
0relative to the fastest GPU on record (41,928)

As stated by PassMark

Category Mobile
Bus interface PCIe x16 2.0
Max memory 512 MB
Core clock 580 MHz
Memory clock 750 MHz
DirectX 10.1
OpenGL 2
First benchmarked 2009-11-21
Samples 2

PassMark listing (collected 2026-10-01)

PassMark's own listing for the AMD Mobility Radeon HD 3850 states the PCIe x16 2.0 interface, up to 512 MB of memory, a core clock of 580 MHz, DirectX 10.1 and OpenGL 2, first benchmarked on 2009-11-21. These are PassMark's figures, shown separately from the specification tables above.

Not to be confused with

This page covers the AMD Mobility Radeon HD 3850 specifically. It is a different product from AMD Mobility Radeon HD 3850 X2, which have their own specifications. Check the exact model name before comparing figures.

Graphics processor

Architecture Not recorded
Codename RV670
Chip Not recorded
Process node Not recorded
Transistors Not recorded
Die size Not recorded

The AMD Mobility Radeon HD 3850 uses the RV670 graphics processor.

Shader configuration

Shading units 320
Compute units Not recorded
Streaming multiprocessors Not recorded
Execution units Not recorded
Texture units (TMUs) 16
Render output units (ROPs) 16
Ray tracing cores Not recorded
Tensor / AI cores Not recorded
XMX engines Not recorded
Infinity cache Not recorded

The AMD Mobility Radeon HD 3850 has 320 shading units, 16 texture mapping units and 16 render output units.

The AMD Mobility Radeon HD 3850 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 3850.

Clock speeds

Base clock 580 MHz
Boost clock Not recorded
Game clock Not recorded
Memory clock Not recorded
Effective memory clock Not recorded

The AMD Mobility Radeon HD 3850 runs at a base clock of 580 MHz.

Memory

Size 512 MB
Type GDDR3
Bus width Not recorded
Bandwidth 48.0 GB/s

The AMD Mobility Radeon HD 3850 is equipped with 512 MB of GDDR3 memory and delivers 48.0 GB/s of memory bandwidth.

Board and power

The AMD Mobility Radeon HD 3850 it connects over PCIe x16 2.0.

Board power (TDP) Not recorded
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 June 4, 2008
Launch price Not recorded
Status Not recorded
Form factor Not recorded
Segment Desktop
Series Radeon HD 3000 Series

The AMD Mobility Radeon HD 3850 was released on June 4, 2008.

Benchmarks

PassMark G3D 366
PassMark G2D 248
Rank #2,024
Samples 2

Graphics and compute APIs

The AMD Mobility Radeon HD 3850 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 3850. Feex has no recorded Vulkan version for the AMD Mobility Radeon HD 3850. Feex has no recorded OpenCL version for the AMD Mobility Radeon HD 3850.

Naming and aliases

The AMD Mobility Radeon HD 3850 is also known by other names: PassMark also lists it as ATI Mobility Radeon HD 3850.

Other names (PassMark) ATI Mobility Radeon HD 3850

Frequently asked questions

How much VRAM does the AMD Mobility Radeon HD 3850 have?

The AMD Mobility Radeon HD 3850 has 512 MB of GDDR3 memory. Its memory bandwidth is 48.0 GB/s.

How fast is the AMD Mobility Radeon HD 3850?

The AMD Mobility Radeon HD 3850 scores 366 in the PassMark G3D benchmark, higher than 31.2% of the 2,658 GPUs benchmarked. Its PassMark rank is #2,024.

What bus interface does the AMD Mobility Radeon HD 3850 use?

The AMD Mobility Radeon HD 3850 connects over PCIe x16 2.0.

When was the AMD Mobility Radeon HD 3850 released?

The AMD Mobility Radeon HD 3850 was released on June 4, 2008.

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