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AMD Phenom II X4 840 Edition Deneb 3.2 GHz 4x512 KB L2 Cache Socket AM3 95W Quad-Core Processor - Retail HDX840WFGMBOX (Black)

AMD Phenom II X4 840 Edition Deneb 3.2 GHz 4x512 KB L2 Cache Socket AM3 95W Quad-Core Processor - Retail HDX840WFGMBOX (Black)

By SpecPicks Editorial · Verified 2026-07-07

$108.02
Buy on Amazon — $108.02 Compare to similar retro cpus

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

Bottom line: The AMD Phenom II X4 840 Edition Deneb 3.2 GHz 4x512 KB L2 Cache Socket AM3 95W Quad-Core Processor - Retail HDX840WFGMBOX (Black) is a niche pick — read recent reviews before buying in the retro cpus category, priced around $108.02. Read recent reviews carefully before committing.

Product DescriptionPhenom II X4 Quad-core 840 3.2GHz Processor.From the ManufacturerAMD Phenom II X4 840, 95W, AM3, 2MB Cache, 3200MHz

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SpecPicks Verdict

SpecPicks classifies AMD Phenom II X4 840 Edition Deneb 3.2 GHz 4x512 KB L2 Cache Socket… as a niche pick — read recent reviews before buying in the retro cpus 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 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

  • ✓ 3DNow Professional
  • ✓ 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

  • 3DNow Professional
  • AMD64 Technology
  • HyperTransport Technology

Full Specifications

BrandAMD
Wattage95 watts
PlatformWindows
CPU Speed3.2 GHz
CPU SocketSocket AM3
Model NumberHDX840WFGMBOX
Mfr Part NumberHDX840WFGMBOX
Processor BrandAMD
Processor Count4
Processor Speed3.2 GHz
Secondary Cache2 MB
CPU ManufacturerAMD
Item Part NumberHDX840WFGMBOX
Processor SocketSocket AM3

Ready to buy?

AMD Phenom II X4 840 Edition Deneb 3.2 GHz 4x512 KB L2 Cache Socket AM3 95W Quad-Core Processor - Retail HDX840WFGMBOX (Black) 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 2026-07-07. Price and availability subject to change.

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AMD Phenom II X4 840 Edition Deneb 3.2 GHz 4x512 KB L2 Cache Socket AM3 95W Quad-Core Processor - Retail HDX840WFGMBOX (Black)
$108.02
View on Amazon →