# Radeon RX 6400

> AMD · RDNA 2

Canonical: https://gpuninja.com/chips/radeon-rx-6400
Data as of: 2026-10-11T10:24:30Z
Path: Home › GPU chips
- Specs verified: between 11 Oct 2026, 09:03 UTC and 11 Oct 2026, 10:24 UTC

## Specifications

- Vendor: AMD (Verified · source amd.com · retrieved 11 Oct 2026, 07:54 UTC · checked 11 Oct 2026, 09:03 UTC)
- Architecture: RDNA 2 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 07:53 UTC · checked 11 Oct 2026, 09:03 UTC)
- Die: Navi 24 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 07:53 UTC · checked 11 Oct 2026, 09:03 UTC)
- Process: TSMC N6 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 07:53 UTC · checked 11 Oct 2026, 09:03 UTC)
- Shader cores: 768 (Verified · source amd.com · retrieved 11 Oct 2026, 07:54 UTC · checked 11 Oct 2026, 09:03 UTC)
- Tensor cores: None
- RT cores: 12 (Verified · source amd.com · retrieved 11 Oct 2026, 07:54 UTC · checked 11 Oct 2026, 09:03 UTC)
- Memory bus: 64-bit (Verified · source amd.com · retrieved 11 Oct 2026, 07:54 UTC · checked 11 Oct 2026, 09:03 UTC)
- Max VRAM: 4 GB (Verified · source amd.com · retrieved 11 Oct 2026, 07:54 UTC · checked 11 Oct 2026, 09:03 UTC)
- Reference boost clock: 2,321 MHz (Verified · source amd.com · retrieved 11 Oct 2026, 07:54 UTC · checked 11 Oct 2026, 09:03 UTC)
- Reference TDP: 53 W (Verified · source amd.com · retrieved 11 Oct 2026, 07:54 UTC · checked 11 Oct 2026, 09:03 UTC)
- Host interface: PCIe 4.0 x4 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 09:41 UTC · checked 11 Oct 2026, 10:24 UTC)
- Launch MSRP: $159 (Verified · source en.wikipedia.org · retrieved 11 Oct 2026, 07:53 UTC · checked 11 Oct 2026, 09:03 UTC)
- Launch date: 19 Jan 2022 (Verified · source amd.com · retrieved 11 Oct 2026, 07:54 UTC · checked 11 Oct 2026, 09:03 UTC)
- Segment: Consumer (Verified · source amd.com · retrieved 11 Oct 2026, 07:54 UTC · checked 11 Oct 2026, 09:03 UTC)
- PCI IDs: 1002:743f (Verified · source pci-ids.ucw.cz · retrieved 11 Oct 2026, 07:56 UTC · checked 11 Oct 2026, 09:03 UTC)
- Status: Active (Verified · source amd.com · retrieved 11 Oct 2026, 07:57 UTC · checked 11 Oct 2026, 09:03 UTC)

## Performance

- Memory bandwidth: 128 GB/s (Verified · source amd.com · retrieved 11 Oct 2026, 09:38 UTC · checked 11 Oct 2026, 10:24 UTC)
- FP32 compute: 3.57 TFLOPS (Verified · source amd.com · retrieved 11 Oct 2026, 09:38 UTC · checked 11 Oct 2026, 10:24 UTC)
- FP16 compute: 7.13 TFLOPS (Verified · source amd.com · retrieved 11 Oct 2026, 09:38 UTC · checked 11 Oct 2026, 10:24 UTC)
- BF16 compute: Not supported
- FP8 compute: Not supported
- FP4 compute: Not supported
- INT8 compute: 14.26 TOPS (Unverified · source gpuopen.com · retrieved 11 Oct 2026, 09:41 UTC · checked 11 Oct 2026, 10:24 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/graphics/desktops/radeon/6000-series/amd-radeon-rx-6400.html — Vendor, Shader cores, RT cores, Memory bus, Max VRAM, Reference boost clock, Reference TDP, Launch date, Segment, Memory bandwidth, FP32 compute, FP16 compute; last verified 11 Oct 2026, 10:24 UTC
- https://en.wikipedia.org/wiki/Radeon_RX_6000_series — Architecture, Die, Process, Host interface, Launch MSRP; last verified 11 Oct 2026, 10:24 UTC
- https://pci-ids.ucw.cz/read/PC/1002/743f — PCI IDs; last verified 11 Oct 2026, 09:03 UTC
- https://www.amd.com/en/products/graphics/desktops/radeon.html — Status; last verified 11 Oct 2026, 09:03 UTC
- https://gpuopen.com/learn/wmma_on_rdna3/ — INT8 compute; last verified 11 Oct 2026, 10:24 UTC