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Small square AM5 desktop CPU with gold contacts and green substrate

AMD

AMD Ryzen 5 8400F desktop processor 100-100001591BOX

SKU CH-MMTG-GW9VB MPN 100-100001591BOX

Six-core desktop processor with 12 threads, 4.2 GHz base clock, 4.7 GHz max boost, 22 MB total cache, DDR5-5200 support and 65 W TDP on Socket AM5

  • Product nameRyzen 5 8400F
  • CPU cores6-Core
  • CPU socketSocket AM5
  • Maximum turbo clockUp to 4.7 GHz
  • TDP rating65 W
  • Processor classDesktop
  • 6 cores and 12 threads handle demanding games and multitasking
  • 7 GHz max boost clock accelerates single-threaded workloads
  • 22 MB total cache reduces latency for faster data access
  • 65 W TDP on TSMC 4 nm process keeps power draw low
  • DDR5 5200 dual-channel support enables high-speed memory performance

Ryzen 5 8400F desktop processor

The AMD Ryzen 5 8400F is a 6-core, 12-thread desktop processor built for the Socket AM5 platform. It targets gamers and content creators who need strong multi-threaded performance without integrated graphics. The chip operates at a 4.2 GHz base clock and can boost up to 4.7 GHz. Its 65 W TDP keeps power draw and cooling requirements modest.

Unlocked multiplier and AMD EXPO memory support

The processor ships unlocked for overclocking, allowing enthusiasts to raise frequencies beyond stock limits using AMD Ryzen Master software. AMD EXPO technology simplifies DDR5 memory tuning by applying validated profiles that can push supported kits to 5200 MT/s and beyond. These two features let builders extract extra performance from the CPU and memory subsystem without manual trial and error.

No integrated graphics requires discrete GPU

Because the Ryzen 5 8400F lacks any integrated graphics, a separate graphics card is mandatory for video output. This constraint makes the processor suitable only for systems that will include a discrete GPU, but it also removes the die area and power budget an iGPU would consume. Buyers planning a pure gaming or workstation build with a dedicated card gain maximum compute density per watt.

How it compares

Measured against everything we stock in Desktop Processors, at today’s prices. Recalculated every night.

Price $138.99
Typical for this category: the median of 494 items is $149.99.
CPU cores 6-Core
Lower than about 80% of the 271 comparable items (median 8).
Maximum turbo clock Up to 4.7 GHz
Typical for this category: the median of 246 items is 4.7 GHz.

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Specifications

Product
Brand nameAMD
Product lineRyzen 5 8000 Series
Model name100-100001591BOX
Product nameRyzen 5 8400F
Performance
Working frequency4.2 GHz
Processor
CPU cores6-Core
CPU socketSocket AM5
Maximum turbo clockUp to 4.7 GHz
TDP rating65 W
Processor classDesktop
CPU threads12-Threads
Level 2 cache6 MB
Level 3 cache16 MB
Process nodeTSMC 4 nm FinFET
CPU instruction set64-Bit
Max PCIe lanes16/20 (Usable/Total)
Memory
Supported memoryDDR5 5200
Channel configuration2
Memory limit256 GB
Graphics
Built-in graphicsNone Integrated Graphics
Ports & slots
PCIe generation4.0 / 3.0
Size & build
Shipping weight0.54 kg
Package size127 × 127 × 86 mm
Compatibility
Compatible systemsWindows 11–64-Bit Edition, Windows 10–64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit
In the box
Included coolerAMD Wraith Stealth
More details
Advanced technologiesAMD Ryzen AI
Available when paired with a compatible Radeon graphics card with AI acceleration

Questions about this item

What replacement parts might the Ryzen 5 8400F need over its lifespan?

The processor has no integrated graphics, so a discrete graphics card is required from day one. The socket AM5 platform supports DDR5 5200 memory and PCIe 4.0 / 3.0 lanes, meaning future upgrades stay within the same motherboard and memory type.

What limit appears first when the 6-core chip runs at 4.7 GHz boost for extended periods?

The 65 W TDP caps sustained power draw. Once the package hits that envelope the firmware reduces frequency to stay within the thermal budget, so the power limit is the first bottleneck under continuous all-core load.

How loud and hot does the 8400F get when it runs all day at full load?

With a 65 W TDP and TSMC 4 nm process the chip stays cool enough for standard AM5 air coolers. Typical fan curves keep noise at normal desktop levels while temperatures remain well within the processor's operating range.

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