AMD Ryzen 5 8400F

Desktop CPUAMD

Also called amd ryzen 5 8400f, ryzen 5 8400f, 8400f, ryzen-5-8400f

AMDDesktop CPUZen 4

AMD Ryzen 5 desktop processor on Zen 4, with 6 cores and 12 threads and 6144 KB L2, 16 MB L3 at 65 W TDP on a TSMC 4nm FinFET process addressing up to 256 GB and no integrated graphics.

What you need to know

AMD Ryzen 5 8400F is a current generation desktop cpu.

AMD Ryzen 5 8400F launched in May, 14, 2024., It has 6 cores and 12 threads on Zen 4, dropping into the AM5 socket. Treat the spec table as the facts. Age alone does not tell you to throw it out.

Still good?: Only if the workload is light
Product age: Less than a year old
Upgrade pressure: Low

Feex says

This SKU has no picture of its own. If the machine has no discrete GPU, a black screen after install is expected, not a dead CPU.

What this hardware means today

Age and usefulness are not the same number. This page keeps them separate.

Performance today: Average. Average for the class when RAM, storage, and the GPU keep up.
Product age 0 years old: Current generation. Launched May, 14, 2024. Newer platforms exist. That does not make this chip unusable by itself.
Support status: Supported. Current Windows and current applications still run on this class of CPU. Platform BIOS support depends on the motherboard or laptop vendor.
Upgrade pressure: Low. Upgrade pressure is low unless you need a different platform feature.

Where does it sit?

Zen 4 sits on AMD's recent Zen desktop and laptop timeline. Later chips keep the brand and change the core.

Zen 2

Zen 3

Zen 4

Zen 5

Performance context

These are qualitative readings, not a fake 8.7 out of 10. Workload still wins.

Gaming: Good

Playable in lighter titles. A weak GPU will hide whatever this chip still has.

Productivity: Average

6 cores cover office, browser, and compile work in this class.

Multithreaded workloads: Good

12 threads. Heavy encodes still scale further on higher-core parts.

General use: Good

Everyday Windows use is not where most people notice this SKU first.

Efficiency: Good

Rated 65 W base power. That is a platform number, not a promise about your cooler.

Should you upgrade?

Probably not if this chip already matches your work.

Upgrade makes more sense if

Your workload is strongly CPU limited
You need a newer platform for memory, I/O, or chipset features
You need substantially more multicore performance
You need newer connectivity that your current board cannot offer

Upgrade makes less sense if

The GPU is the real bottleneck
Current applications are already responsive
The CPU rarely limits your workload

Specifications

Figures below follow the Feex Hardware Database record for this SKU. Fields without a recorded value are omitted.

Processor

AMD Ryzen 5 8400F is built on Zen 4 using a TSMC 4nm FinFET process at TSMC.

AMD Ryzen 5 8400F specifications: Processor
Manufacturer	AMD
Family	Ryzen 5
Architecture	Zen 4
Codename	Zen 4 (Phoenix)
Generation	Ryzen 8000 Series
Manufacturing process	TSMC 4nm FinFET
Foundry	TSMC
Segment	Desktop

Cores and threads

AMD Ryzen 5 8400F has 6 cores and 12 threads.

AMD Ryzen 5 8400F specifications: Cores and threads
Cores	6
P-cores	6
Threads	12

Clock speeds

Base clock is 4.2 GHz. Boost reaches 4.7 GHz.

AMD Ryzen 5 8400F specifications: Clock speeds
Base frequency	4.2 GHz
Max boost	4.7 GHz
Unlocked multiplier	Yes

Cache

Cache on this sheet is 16 MB L3.

AMD Ryzen 5 8400F specifications: Cache
L2 cache	6144 KB
L3 cache	16 MB
Total cache	22 MB

Memory

AMD Ryzen 5 8400F addresses 256 GB across 2 memory channels.

AMD Ryzen 5 8400F specifications: Memory
Supported types	DDR5
Max capacity	256 GB
Channels	2
Max memory speed	5200 MT/s

Package and power

AMD Ryzen 5 8400F uses the AM5 socket and a 65 W TDP.

AMD Ryzen 5 8400F specifications: Package and power
Socket	AM5
TDP	65 W
PCIe	Revision 4.0, 20 lanes

Market

AMD Ryzen 5 8400F launched May, 14, 2024.

AMD Ryzen 5 8400F specifications: Market
Launch date	May, 14, 2024
Model	8400F

Independent scores

These are PassMark CPU figures. They are not Feex measurements.

AMD Ryzen 5 8400F specifications: Independent scores
Single-core score	3,688
Multi-core score	24,444
Overall score	9,495
Productivity score	21,052
Creator score	20,083
Engineering score	24,291
Gaming score	17,175
Performance per watt	376.1

Compatibility

Compatibility
Socket	AM5
Board	A shared socket is not automatic compatibility. Check the motherboard CPU list and BIOS revision.
Memory	DDR5, up to 256 GB
Graphics	Requires a discrete GPU. This SKU has no iGPU.

A shared socket is not automatic compatibility. Boards often need a BIOS update before a newer chip in the same socket will post.

Cooler clearance, VRM quality, and power limits matter as much as the socket name.

Do not expect a display from the motherboard video ports. This SKU has no integrated graphics.

No display after install

This SKU has no integrated graphics. A machine with no discrete GPU will not show a picture. That is expected, not a dead CPU.

Sources and verification

Reviewed by Feex editorial. Last verified August 2026 Status: Partially Verified. How we research.

Feex Hardware Database · Specification source used for this sheet. CC BY 4.0.
PassMark Software · CPU benchmark page for AMD Ryzen 5 8400F

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