# Radeon Sky 900

> AMD · GCN 1.0

Discontinued

Canonical: https://gpuninja.com/chips/radeon-sky-900
Data as of: 2026-10-11T17:12:10Z
Path: Home › GPU chips

> **Discontinued.** Discontinued on 22 Jun 2021. This page is a preserved snapshot of the last recorded specs, prices and benchmark results.

- Specs verified: 11 Oct 2026, 17:12 UTC

## Specifications

- Vendor: AMD (Verified · source pci-ids.ucw.cz · retrieved 11 Oct 2026, 16:23 UTC · checked 11 Oct 2026, 17:12 UTC)
- Architecture: GCN 1.0 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 17:08 UTC · checked 11 Oct 2026, 17:12 UTC)
- Die: Tahiti (Verified · source pcper.com · retrieved 11 Oct 2026, 16:33 UTC · checked 11 Oct 2026, 17:12 UTC)
- Process: TSMC 28 nm (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:29 UTC · checked 11 Oct 2026, 17:12 UTC)
- Shader cores: 3,584 (Verified · source pcper.com · retrieved 11 Oct 2026, 16:33 UTC · checked 11 Oct 2026, 17:12 UTC)
- Tensor cores: None
- RT cores: None
- Memory bus: 384-bit (Verified · source pcper.com · retrieved 11 Oct 2026, 16:33 UTC · checked 11 Oct 2026, 17:12 UTC)
- Max VRAM: 6 GB (Verified · source pcper.com · retrieved 11 Oct 2026, 16:33 UTC · checked 11 Oct 2026, 17:12 UTC)
- Reference boost clock: 825 MHz (Verified · source pcper.com · retrieved 11 Oct 2026, 16:33 UTC · checked 11 Oct 2026, 17:12 UTC)
- Reference TDP: 300 W (Verified · source pcper.com · retrieved 11 Oct 2026, 16:33 UTC · checked 11 Oct 2026, 17:12 UTC)
- Host interface: PCIe 3.0 x16 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:23 UTC · checked 11 Oct 2026, 17:12 UTC)
- Launch MSRP: No public MSRP
- Launch date: 1 Apr 2013 (Unverified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:23 UTC · checked 11 Oct 2026, 17:12 UTC)
- Segment: Data center (Verified · source pcper.com · retrieved 11 Oct 2026, 16:33 UTC · checked 11 Oct 2026, 17:12 UTC)
- PCI IDs: 1002:678a (Verified · source pci-ids.ucw.cz · retrieved 11 Oct 2026, 16:23 UTC · checked 11 Oct 2026, 17:12 UTC)
- Status: Discontinued on 22 Jun 2021 (Verified · source tomshardware.com · retrieved 11 Oct 2026, 16:29 UTC · checked 11 Oct 2026, 17:12 UTC)

## Performance

- Memory bandwidth: 240 GB/s (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 16:23 UTC · checked 11 Oct 2026, 17:12 UTC)
- FP32 compute: 5.91 TFLOPS (Verified · source pcper.com · retrieved 11 Oct 2026, 16:33 UTC · checked 11 Oct 2026, 17:12 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://pci-ids.ucw.cz/v2.2/pci.ids — Vendor, PCI IDs; last verified 11 Oct 2026, 17:12 UTC
- https://en.wikipedia.org/wiki/Graphics_Core_Next — Architecture, Process; last verified 11 Oct 2026, 17:12 UTC
- https://pcper.com/2013/03/gdc-2013-amd-reveals-radeon-sky-specifications/ — Die, Shader cores, Memory bus, Max VRAM, Reference boost clock, Reference TDP, Segment, FP32 compute; last verified 11 Oct 2026, 17:12 UTC
- https://en.wikipedia.org/wiki/AMD_FirePro — Host interface, Launch date, Memory bandwidth; last verified 11 Oct 2026, 17:12 UTC
- https://www.tomshardware.com/news/amd-retires-pre-rx-400-gpus — Status; last verified 11 Oct 2026, 17:12 UTC