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AMD's official processor artwork associated with Ryzen 5 8400F on its exact manufacturer product page; the visible artwork identifies the family rather than a readable exact model number.
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AMD Ryzen 5 8400F

AM5 tray processor 100-000001591 · discrete graphics required

A 6-core AM5 processor with 12 threads, 16 MB of L3 cache and a 65 W default TDP specification. It uses Zen 4 CPU cores. This tray processor requires a discrete graphics card.

Reviewed 6 Sept 2026Manufacturer specifications, not a hands-on test.
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WHAT IT BRINGS

The useful part.

Provides 6 CPU cores, 12 hardware threads and 16 MB of L3 cache. The benefit depends on the application and needs comparable testing.

Manufacturer source
BEFORE YOU CHOOSE

The checks that matter.

Requires a discrete graphics card, a supported AM5 motherboard and DDR5 memory. Confirm the cooling package for the exact tray part with the seller.

Manufacturer source
NOTHING HIDDEN IN THE SMALL PRINT

Every specification.
With its source.

Our publishing standard
Socket
AM5
Conditions & context

Manufacturer specification

Source
Core count and architecture
6 cores · Zen 4
Conditions & context

Manufacturer specification · Manufacturer core count and architecture, not an application-performance ranking.

Source
Thread count
12
Conditions & context

Manufacturer specification

Source
Base / boost clocks and conditions
4.2 GHz base; up to 4.7 GHz boost
Conditions & context

Manufacturer specification · Maximum boost is not a sustained all-core frequency. Workload, cooling and firmware affect clocks.

Source
Processor power definitions
65 W default TDP
Conditions & context

Manufacturer specification · Thermal-design specification, not measured system power, maximum socket power or a cooling-efficiency score.

Source
Integrated graphics or none
None; a discrete graphics card is required
Conditions & context

Manufacturer specification · AMD explicitly requires a discrete graphics card for this model; motherboard display connectors alone do not provide graphics.

Source
Memory support
Dual-channel DDR5 UDIMM; up to 256 GB; DDR5-5200 with two DIMMs or DDR5-3600 with four
Conditions & context

Manufacturer specification · AMD rates 2×1R and 2×2R at DDR5-5200, and 4×1R and 4×2R at DDR5-3600. Check board support and firmware; these are not EXPO guarantees.

Source
CPU cores
6
Conditions & context

Manufacturer specification

Source
L2 cache
6 MB
Conditions & context

Manufacturer specification

Source
L3 cache
16 MB
Conditions & context

Manufacturer specification · Total stated capacity; does not establish equal access or identical cache topology across the CPU.

Source
Default TDP
65 W
Conditions & context

Manufacturer specification · Default TDP, not measured system power.

Source
Native PCIe
PCIe 4.0 · 20 total / 16 usable lanes
Conditions & context

Manufacturer specification · Native CPU version and lane totals, not graphics-slot width or motherboard slot count. Actual links depend on the motherboard and installed devices.

Source
Maximum boost clock
4.7 GHz
Conditions & context

Manufacturer specification · Up to; not a sustained all-core frequency.

Source
Platform checks
Supported AM5 motherboard and DDR5 memory required. Check the motherboard CPU-support list and BIOS before purchase. A separate graphics card is required. Confirm the cooling supplied for this tray part with the seller.
Conditions & context

Manufacturer specification

Source
PUT IT IN PERSPECTIVE

A choice needs a contender.

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