How much does the Intel 8th Gen Core i5-8400 Processor cost on Amazon?

Intel 8th Gen Core i5-8400 Processor is listed on Amazon at $132.24 as of 2026-07-22. Prices change frequently — check the Amazon listing linked from this page for the current price and any active promotions.

What are the alternatives to the Intel 8th Gen Core i5-8400 Processor?

Intel 8th Gen Core i5-8400 Processor competes with other Processors products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Processors category for alternatives.

Who makes the Intel 8th Gen Core i5-8400 Processor?

Manufacturer information for Intel 8th Gen Core i5-8400 Processor is available on the Amazon listing.

How is the Intel 8th Gen Core i5-8400 Processor shipped and returned?

Intel 8th Gen Core i5-8400 Processor is sold through Amazon. Amazon Prime members generally receive free 1-2 day shipping; non-Prime orders are subject to Amazon's standard shipping rates. Full returns policy applies per Amazon Associate terms.

Intel 8th Gen Core i5-8400 Processor

Name: Intel 8th Gen Core i5-8400 Processor
Brand: Unbranded
SKU: B0759FGJ3Q
Price: 132.24 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-07-22

$132.24

Buy on Amazon — $132.24 Compare to similar processors

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Bottom line: The Intel 8th Gen Core i5-8400 Processor is a niche pick — read recent reviews before buying in the processors category, priced around $132.24. Read recent reviews carefully before committing.

Prepare to be amazed with the 8th Generation Intel Core Desktop Processor family. The 8th Generation Intel Core i5-8400 comes with 6 processing Cores and 6 Threads. That's 2 additional Cores versus the previous generation for more processing power. This Intel Core processor redefines mainstream desktop PC performance with features such as 9MB Cache and up to 4.0 GHz max frequency. Immerse yourself in your favorite media content while the Intel UHD Graphics 630 provides you with a much richer visual experience. Be sure to pair your 8th Gen desktop processor with a motherboard based on the…

SpecPicks Verdict

SpecPicks classifies Intel 8th Gen Core i5-8400 Processor as a niche pick — read recent reviews before buying in the processors category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for processors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Intel UHD Graphics 630
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Intel UHD Graphics 630
Compatible only with Motherboards based on Intel 300 Series Chipsets
6 Cores / 12 Threads
2.80 GHz up to 4.00 GHz Max Turbo Frequency / 9 MB Cache
Intel Optane Memory Supported

Full Specifications

Brand	Intel
Turbo	Yes
Wattage	65
Platform	Not Machine Specific
CPU Model	Core i5
CPU Speed	2.8 GHz
CPU Socket	LGA 1151
Model Number	BX80684I58400
Built-In Media	1 processor
Item Type Name	8th Gen Intel® Core™ i5-8400 Processor
Mfr Part Number	BX80684I58400
Processor Brand	Intel
Processor Count	6
Processor Speed	2.8 GHz

Ready to buy?

Intel 8th Gen Core i5-8400 Processor is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.