# Radeon PRO W6400

> AMD · RDNA 2

Canonical: https://gpuninja.com/chips/radeon-pro-w6400
Data as of: 2026-10-11T10:27:50Z
Path: Home › GPU chips
- Specs verified: between 11 Oct 2026, 09:05 UTC and 11 Oct 2026, 10:27 UTC

## Specifications

- Vendor: AMD (Verified · source amd.com · retrieved 11 Oct 2026, 08:02 UTC · checked 11 Oct 2026, 09:05 UTC)
- Architecture: RDNA 2 (Verified · source amd.com · retrieved 11 Oct 2026, 08:02 UTC · checked 11 Oct 2026, 09:05 UTC)
- Die: Navi 24 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 08:00 UTC · checked 11 Oct 2026, 09:05 UTC)
- Process: TSMC N6 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 08:00 UTC · checked 11 Oct 2026, 09:05 UTC)
- Shader cores: 768 (Verified · source amd.com · retrieved 11 Oct 2026, 08:02 UTC · checked 11 Oct 2026, 09:05 UTC)
- Tensor cores: None
- RT cores: 12 (Verified · source amd.com · retrieved 11 Oct 2026, 08:02 UTC · checked 11 Oct 2026, 09:05 UTC)
- Memory bus: 64-bit (Verified · source amd.com · retrieved 11 Oct 2026, 08:02 UTC · checked 11 Oct 2026, 09:05 UTC)
- Max VRAM: 4 GB (Verified · source amd.com · retrieved 11 Oct 2026, 08:02 UTC · checked 11 Oct 2026, 09:05 UTC)
- Reference boost clock: 2,331 MHz (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 08:00 UTC · checked 11 Oct 2026, 09:05 UTC)
- Reference TDP: 50 W (Verified · source amd.com · retrieved 11 Oct 2026, 08:02 UTC · checked 11 Oct 2026, 09:05 UTC)
- Host interface: PCIe 4.0 x4 (Verified · source amd.com · retrieved 11 Oct 2026, 09:43 UTC · checked 11 Oct 2026, 10:27 UTC)
- Launch MSRP: $229 (Verified · source ir.amd.com · retrieved 11 Oct 2026, 08:07 UTC · checked 11 Oct 2026, 09:05 UTC)
- Launch date: 19 Jan 2022 (Verified · source amd.com · retrieved 11 Oct 2026, 08:02 UTC · checked 11 Oct 2026, 09:05 UTC)
- Segment: Workstation (Verified · source amd.com · retrieved 11 Oct 2026, 08:02 UTC · checked 11 Oct 2026, 09:05 UTC)
- PCI IDs: 1002:7422 (Verified · source gitlab.freedesktop.org · retrieved 11 Oct 2026, 08:04 UTC · checked 11 Oct 2026, 09:05 UTC)
- Status: Active (Verified · source amd.com · retrieved 11 Oct 2026, 08:02 UTC · checked 11 Oct 2026, 09:05 UTC)

## Performance

- Memory bandwidth: 128 GB/s (Verified · source amd.com · retrieved 11 Oct 2026, 09:43 UTC · checked 11 Oct 2026, 10:27 UTC)
- FP32 compute: 3.5 TFLOPS (Verified · source amd.com · retrieved 11 Oct 2026, 09:43 UTC · checked 11 Oct 2026, 10:27 UTC)
- FP16 compute: 7.07 TFLOPS (Verified · source amd.com · retrieved 11 Oct 2026, 09:43 UTC · checked 11 Oct 2026, 10:27 UTC)
- BF16 compute: Not supported
- FP8 compute: Not supported
- FP4 compute: Not supported
- INT8 compute: 14 TOPS (Unverified · source gpuopen.com · retrieved 11 Oct 2026, 09:42 UTC · checked 11 Oct 2026, 10:27 UTC)

## 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://www.amd.com/en/products/specifications/professional-graphics.html — Vendor, Architecture, Shader cores, RT cores, Memory bus, Max VRAM, Reference TDP, Host interface, Launch date, Memory bandwidth, FP32 compute, FP16 compute; last verified 11 Oct 2026, 10:27 UTC
- https://en.wikipedia.org/wiki/List_of_AMD_graphics_processing_units — Die, Process, Reference boost clock; last verified 11 Oct 2026, 09:05 UTC
- https://ir.amd.com/news-events/press-releases/detail/1043/new-amd-radeon-pro-w6000-series-graphics-unleash-high-efficiency-powerful-cad-performance-for-mainstream-workstation-users — Launch MSRP; last verified 11 Oct 2026, 09:05 UTC
- https://www.amd.com/en/products/graphics/workstations/radeon-pro/w6400.html — Segment, Status; last verified 11 Oct 2026, 09:05 UTC
- https://gitlab.freedesktop.org/mesa/drm/-/raw/main/data/amdgpu.ids — PCI IDs; last verified 11 Oct 2026, 09:05 UTC
- https://gpuopen.com/learn/wmma_on_rdna3/ — INT8 compute; last verified 11 Oct 2026, 10:27 UTC