RX M 6400

RX M 6400 — AMD desktop graphics card (2022, RDNA 2) with 4 GB of GDDR6, averaging 15 fps at 1440p.

Key specifications

3DMark Time Spy	1,272
Avg FPS @ 1080p	28
Avg FPS @ 1440p	15
Avg FPS @ 4K	8
FP32 compute (TFLOPS)	3.0
VRAM (GB)	4
Memory bandwidth (GB/s)	112
TDP (W)	34
Launch MSRP (USD)	—

About RX M 6400

The RX M 6400 is a AMD desktop graphics card from 2022 on the RDNA 2 architecture, with 4 GB of GDDR6 (112 GB/s bandwidth) and a 34 W TDP. It averages about 28 fps at 1080p, 15 fps at 1440p and 8 fps at 4K across our game suite, scoring 1,272 in 3DMark Time Spy.

The comparisons below show how RX M 6400 stacks up against the alternatives people most often weigh against it, with the specific numbers laid out side by side.

Frequently asked questions

Is the RX M 6400 any good?

RX M 6400 — AMD desktop graphics card (2022, RDNA 2) with 4 GB of GDDR6, averaging 15 fps at 1440p.

What are the key specs of the RX M 6400?

See the specification table above for the full breakdown.

EquivalentTo Research

Data & Benchmarks Team

We compile published benchmark results (Cinebench 2024, Geekbench 6, AnTuTu v10, 3DMark), manufacturer specifications and market pricing from nine regions into normalized, comparable datasets. Every figure traces to a named public source listed on each page.

Benchmark leaderboard compilationMulti-market pricing normalizationUnit & currency conversion

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Last updated 2026-07-01