# Mobility Radeon HD 3850 X2

> AMD · TeraScale

Discontinued

Canonical: https://gpuninja.com/chips/mobility-radeon-hd-3850-x2
Data as of: 2026-10-11T10:25:11Z
Path: Home › GPU chips

> **Discontinued.** Discontinued on 24 Apr 2012. This page is a preserved snapshot of the last recorded specs, prices and benchmark results.

- Specs verified: between 11 Oct 2026, 08:56 UTC and 11 Oct 2026, 10:25 UTC

## Specifications

- Vendor: AMD (Verified · source web.archive.org · retrieved 11 Oct 2026, 07:18 UTC · checked 11 Oct 2026, 08:56 UTC)
- Architecture: TeraScale (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 07:18 UTC · checked 11 Oct 2026, 08:56 UTC)
- Die: RV670 (Verified · source pci-ids.ucw.cz · retrieved 11 Oct 2026, 07:15 UTC · checked 11 Oct 2026, 08:56 UTC)
- Process: TSMC 55 nm (Unverified · source vgamuseum.info · retrieved 11 Oct 2026, 07:20 UTC · checked 11 Oct 2026, 08:56 UTC)
- Shader cores: 640 (Verified · source notebookcheck.com · retrieved 11 Oct 2026, 07:17 UTC · checked 11 Oct 2026, 08:56 UTC)
- Tensor cores: None
- RT cores: None
- Memory bus: 256-bit (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 07:15 UTC · checked 11 Oct 2026, 08:56 UTC)
- Max VRAM: 1 GB (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 07:15 UTC · checked 11 Oct 2026, 08:56 UTC)
- Reference boost clock: 580 MHz (Verified · source web.archive.org · retrieved 11 Oct 2026, 08:53 UTC · checked 11 Oct 2026, 08:56 UTC)
- Reference TDP: 110 W (Verified · source notebookcheck.com · retrieved 11 Oct 2026, 07:17 UTC · checked 11 Oct 2026, 08:56 UTC)
- Host interface: Not recorded
- Launch MSRP: No public MSRP
- Launch date: 5 Jun 2008 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 07:15 UTC · checked 11 Oct 2026, 08:56 UTC)
- Segment: Mobile (Verified · source web.archive.org · retrieved 11 Oct 2026, 07:18 UTC · checked 11 Oct 2026, 08:56 UTC)
- PCI IDs: 1002:9506 (Verified · source pci-ids.ucw.cz · retrieved 11 Oct 2026, 07:15 UTC · checked 11 Oct 2026, 08:56 UTC)
- Status: Discontinued on 24 Apr 2012 (Verified · source techgage.com · retrieved 11 Oct 2026, 07:21 UTC · checked 11 Oct 2026, 08:56 UTC)

## Performance

- Memory bandwidth: 48 GB/s (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 09:43 UTC · checked 11 Oct 2026, 10:25 UTC)
- FP32 compute: 0.74 TFLOPS (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 09:43 UTC · checked 11 Oct 2026, 10:25 UTC)
- FP16 compute: Not supported
- BF16 compute: Not supported
- FP8 compute: Not supported
- FP4 compute: Not supported
- INT8 compute: Not supported

## Boards built on this chip

Board, Chip, VRAM, TDP, Length, Slots, Price, Stock

No boards recorded for this chip.

## Benchmarks

No benchmark results recorded.

## Sources

- https://web.archive.org/web/20100301062750/http://products.amd.com/en-us/MobilityGPUResult.aspx — Vendor, Segment; last verified 11 Oct 2026, 08:56 UTC
- https://en.wikipedia.org/wiki/Radeon_HD_3000_series — Architecture; last verified 11 Oct 2026, 08:56 UTC
- https://pci-ids.ucw.cz/v2.2/pci.ids — Die, PCI IDs; last verified 11 Oct 2026, 08:56 UTC
- https://www.vgamuseum.info/index.php/cpu/item/681-ati-radeon-hd-3870 — Process; last verified 11 Oct 2026, 08:56 UTC
- https://www.notebookcheck.com/ATI-AMD-Mobility-Radeon-HD-3850-X2.9442.0.html — Shader cores, Reference TDP; last verified 11 Oct 2026, 08:56 UTC
- https://en.wikipedia.org/wiki/List_of_AMD_graphics_processing_units — Memory bus, Max VRAM, Launch date, Memory bandwidth, FP32 compute; last verified 11 Oct 2026, 10:25 UTC
- https://web.archive.org/web/20140907172247/http://products.amd.com/en-us/MobilityGPUDetail.aspx?id=3&f1=&f2=&f3=&f4=&f5=&f6=&f7=&f8=&f9=&f10=&f11=&f12=&f13=&f14=&f15=&f16=&f17=&f18=&f19=& — Reference boost clock; last verified 11 Oct 2026, 08:56 UTC
- https://techgage.com/news/amd_to_slow_driver_support_for_radeon_hd_2000_3000_and_4000_series/ — Status; last verified 11 Oct 2026, 08:56 UTC