Intel Pentium 4 3.20GHz 800MHz 1MB Cache Socket 478 CPU

Name: Intel Pentium 4 3.20GHz 800MHz 1MB Cache Socket 478 CPU
Brand: Unbranded
SKU: B000VMFQWE

Bottom line: The Intel Pentium 4 3.20GHz 800MHz 1MB Cache Socket 478 CPU is a specs-and-price decision rather than a crowd-consensus one in the retro cpus category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Live pricing on eBay

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

🛒 See live eBay price Also on Amazon — Check price → Compare to similar retro cpus

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-24

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ 3.20 GHz clock speed 478-pin PPGA package type 800 MHz System Bus 1 MB L2 Cache

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Used and vintage listings vary by seller and condition — check the listing photos, description and return terms before buying

Manufacturer description

The Intel Socket 478 processor is designed to deliver high performance for today's demanding applications! This Pentium 4 features a 3.20 GHz clock speed, 800 MHz system bus, and a 1 MB L2 Cache. Upgrade today!

SpecPicks Verdict

SpecPicks scored Intel Pentium 4 3.20GHz 800MHz 1MB Cache Socket 478 CPU using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpus category. Compare with similarly-priced alternatives in the retro cpus category before committing. 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

Intel Pentium 4 3.20 GHz 800 MHz 1 MB Socket 478 CPU General Features: Intel Pentium 4 processor
3.20 GHz clock speed 478-pin PPGA package type 800 MHz System Bus 1 MB L2 Cache

Full Specifications

Brand	Intel
CPU Model	Pentium
CPU Speed	3.2 GHz
CPU Socket	Socket 478
Processor Brand	Intel
Processor Count	184000000
Processor Speed	3.2 GHz
Secondary Cache	1 MB
CPU Manufacturer	Intel
Processor Series	Pentium
Processor Socket	Socket 478
Processor Core Count	1
Cache Memory Installed Size	1 MB

Benchmark data for other processors

Ready to buy?

Intel Pentium 4 3.20GHz 800MHz 1MB Cache Socket 478 CPU is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

See live eBay listings → Check Amazon listing →