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Radeon RX 6400
AMD · GPU · RDNA 2

Radeon RX 6400 — Benchmarks & Specs

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*Price sourced from Amazon.com. Price and availability subject to change.

Bottom line: how fast is the Radeon RX 6400?

At 1080p (Medium), the Radeon RX 6400 averages 210 fps in Rainbow Six Siege, per Tom's Hardware. For local LLM inference it generates 711.0 tokens/sec running qwen3:8b at Q8_0 under llama.cpp, per LocalLLaMA. In Geekbench 6 OpenCL it scores 33,586 points, per HardwareDB.

Every figure above is a row in the tables below, and each row links out to the review or public benchmark database the number was taken from. SpecPicks aggregates published measurements; it does not report first-party benchmark runs.

The Radeon RX 6400 is a graphics card from the RDNA 2 family from AMD. Data on this page draws on 3+ Amazon listings, 10 synthetic benchmark results, 3 community AI inference reports, 14 measured game frame-rate results, aggregated from public benchmark databases (TechPowerUp, PassMark, Geekbench, Cinebench) and the LocalLLaMA community. Read this page when shopping the Radeon RX 6400, comparing it against other graphics cards in your build, or sizing it for a specific workload (gaming at 1080p/1440p/4K, productivity benchmarks, or local LLM inference).

Gaming Performance (measured FPS)

Average and 1% low frame rates by game, resolution, and quality preset. Bars are scaled against the fastest result on this page.

Measured gaming frame rates for the Radeon RX 6400 by game, resolution, and quality preset. “1% low” is the frame-time floor that determines perceived smoothness. Each row links to its original review or benchmark database.
Game Resolution Settings Relative Avg FPS 1% low Source
Rainbow Six Siege 1080p Medium 210 fps — Tom's Hardware 2022-04-19
Rainbow Six Siege 1080p Ultra 162 fps — Tom's Hardware 2022-04-19
Rainbow Six Siege 1080p Ultra 162 fps — PC Tech Reviews 2022-10-14
Counter-Strike 2 1080p Ultra Native 133 fps 119 fps PC Gamer 2022-03-01
GTA V 1080p High 84 fps — PC Tech Reviews 2022-10-14
Gears Tactics 1080p High 82 fps — CGMagazine 2022-10-18
Fortnite 1080p High 80 fps 60 fps AlkTech 2022-05-01
Fortnite 1080p High 80 fps 60 fps Alktech 2022-05-23
Fortnite 1080p High 80 fps 60 fps ALKtech 2022-05-23
Forza Horizon 4 1080p Ultra 71 fps 55 fps Alktech 2022-05-23
Forza Horizon 4 1080p Ultra 71 fps 55 fps ALKtech 2022-05-23
Forza Horizon 4 1080p Ultra 71 fps 55 fps AlkTech 2022-05-01
Red Dead Redemption 2 1080p Ultra Native 68 fps 52 fps Tom's Hardware 2022-02-28
Red Dead Redemption 2 1080p Medium FSR Balanced 63 fps — PC Tech Reviews 2022-10-14

AI Inference Performance

Tokens per second under each model + quantization. Higher = faster generation. Bars compare runs across the same model.

Local LLM inference throughput on the Radeon RX 6400, in generated tokens per second. Higher is better; each row links to the community report or benchmark database it came from.
Model Quantization Relative Tokens/sec VRAM used Source
qwen3:8b Q8_0 llama.cpp 711.0 tok/s — LocalLLaMA 2026-03-27
qwen3:30b — lmstudio 33.0 tok/s — LocalLLaMA 2026-02-05
qwen3:8b q4_K_M ollama 11.0 tok/s — TechReviewer 2025-10-31

Synthetic Benchmarks

Higher is better. Bars are scaled within each benchmark family (multi-thread, single-thread, etc.) so you can compare like-with-like at a glance.

Synthetic benchmark scores for the Radeon RX 6400 — higher is better. Each row links to the public database the number was taken from.
Benchmark Relative Score Source
Geekbench 6 OpenCL 33,586 points HardwareDB 2023-06-01
3DMark Wild Life 25,090 points 3DMark 2022-07-01
3DMark Fire Strike 12,150 pts Tom's Hardware 2022-02-28
3DMark Fire Strike 9,182 points 3DMark 2022-07-01
PassMark G3D Mark 7,744 pts PassMark 2026-04-20
PassMark G3D Mark 7,743 points PassMark Software 2024-01-01
3DMark Time Spy 4,820 pts TechPowerUp 2022-03-03
3DMark Time Spy 3,876 points 3DMark 2023-06-01
3DMark Time Spy 3,662 points CPUTronic 2022-04-01
Unigine Heaven 4.0 1,172 points ALKtech 2022-05-23

Products Featuring the Radeon RX 6400

Radeon RX 6400 — Frequently Asked Questions

What is the Radeon RX 6400 best used for?
Radeon RX 6400 is positioned as a RDNA 2-family graphics card. Use it for 1080p gaming and general productivity. See the synthetic + AI benchmark tables below for measured performance.
When was the Radeon RX 6400 released, and what was its launch MSRP?
Release year and launch MSRP aren't on file for Radeon RX 6400. Current pricing is visible on the linked Amazon product cards below.
Where do the benchmark numbers on this page come from?
Synthetic benchmarks are scraped from public databases (TechPowerUp, PassMark, Geekbench Browser, Cinebench leaderboards). AI inference numbers come from the LocalLLaMA community (Reddit threads, llama.cpp / Ollama discussion logs, and Phoronix when available). Every benchmark row carries an inline source citation — click through to verify the original number.
Can the Radeon RX 6400 run local LLMs?
Yes — Radeon RX 6400 has 3 AI inference benchmarks on file (see the AI Inference Performance section above for model + tokens-per-second numbers).
Where can I buy the Radeon RX 6400?
Amazon listings are linked at the top of this page (in the hero CTA) and in the "Products Featuring this Hardware" section below. SpecPicks earns a small affiliate commission on qualifying purchases.

Buying guides that rank the Radeon RX 6400's class

This page is the raw performance data. The guides below turn it into a ranked pick for a specific build.

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Radeon RX 6400
Radeon RX 6400
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