What are the alternatives to the Processor - 1 x Intel Core 2 Quad Q8400 / 2.66 GHz ( 1333 MHz ) - LGA775…?

Processor - 1 x Intel Core 2 Quad Q8400 / 2.66 GHz ( 1333 MHz ) - LGA775… competes with other Retro CPUs products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Retro CPUs category for alternatives.

Intel

Processor - 1 x Intel Core 2 Quad Q8400 / 2.66 GHz ( 1333 MHz ) - LGA775 Socket - L2 4 MB - OEM

Name: Processor - 1 x Intel Core 2 Quad Q8400 / 2.66 GHz ( 1333 MHz ) - LGA775 Socket - L2 4 MB - OEM
Brand: Intel
SKU: B00280YJIE
Price: 129.95 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-15

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$129.95

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🛒 See live eBay price Also on Amazon — View Current Price → Compare to similar retro cpus

*Price sourced from Amazon.com. Last updated 2026-08-15. Price and availability subject to change.

Bottom line: The Processor - 1 x Intel Core 2 Quad Q8400 / 2.66 GHz ( 1333 MHz ) - LGA775 Socket - L2 4 MB - OEM is a specs-and-price decision rather than a crowd-consensus one in the retro cpus category, priced around $129.95. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

Intel Q8400 Core 2 Quad 2.66GHz 1333MHz 4MB Socket LGA775 (SLGT6) Desktop Processor

SpecPicks Verdict

SpecPicks scored Processor - 1 x Intel Core 2 Quad Q8400 / 2.66 GHz ( 1333 MHz )… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the retro cpus category. Intel's retro cpus lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro cpus 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 Q8400 Core 2 Quad 2.66GHz 1333MHz 4MB Socket LGA775 (SLGT6) Desktop Processor
✓ Backed by Intel's warranty and support channels
✓ 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 Q8400 Core 2 Quad 2.66GHz 1333MHz 4MB Socket LGA775 (SLGT6) Desktop Processor

Full Specifications

Brand	Intel
Wattage	95 watts
Platform	Windows 10
CPU Speed	2.66 GHz
CPU Socket	LGA 775
Model Number	BX80580Q8400
Mfr Part Number	5032037009492
Processor Brand	Intel
Processor Count	4
Processor Speed	2.66 GHz
Secondary Cache	4 MB
CPU Manufacturer	Intel
Item Part Number	BX80580Q8400
Processor Socket	LGA 775
Cache Memory Installed Size	4

Ready to buy?

Processor - 1 x Intel Core 2 Quad Q8400 / 2.66 GHz ( 1333 MHz ) - LGA775 Socket - L2 4 MB - OEM is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. 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 2026-08-15. Price and availability subject to change.