AMD Phenom II X6 1055T AM3 PIB 2.8G 9 MB 45NM 125W 2800MHZ 2.8 6 Socket AM3, HDT55TFBGRBOX

Name: AMD Phenom II X6 1055T AM3 PIB 2.8G 9 MB 45NM 125W 2800MHZ 2.8 6 Socket AM3, HDT55TFBGRBOX
Brand: Unbranded
SKU: B003FVNC0Q
Price: 108.02 USD
Availability: InStock

Bottom line: The AMD Phenom II X6 1055T AM3 PIB 2.8G 9 MB 45NM 125W 2800MHZ 2.8 6 ($108.02 on Amazon as of 2026-10-06): Six physical cores at 2.8GHz on Socket AM3 for period-correct multithreaded builds; main trade-off: 125W TDP demands a strong cooler and a capable PSU.

$108.02

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

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 →

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

✓ Six physical cores at 2.8GHz on Socket AM3 for period-correct multithreaded builds
✓ 6 MB L3 plus 3 MB L2 cache helps in threaded encoding and VM workloads
✓ 64-bit support keeps it usable with modern 64-bit retro OS installs
✓ Drops into existing AM3 boards without a platform swap

Cons

✗ 125W TDP demands a strong cooler and a capable PSU
✗ Single-thread performance trails even entry-level modern CPUs
✗ Socket AM3 limits you to DDR3 and aging chipsets
✗ Listing shows no brand field, so packaging and bundle contents vary

Manufacturer description

Phenom II X6 Hexa-core 1055T 2.8GHz Processor

SpecPicks Verdict

SpecPicks scored AMD Phenom II X6 1055T AM3 PIB 2.8G 9 MB 45NM 125W 2800MHZ 2.8 6… 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

Multi-Core: Six-core
Operating Frequency: 2.8GHz
Socket AM3
3 MB L2 cache, 6 MB L3 cache
Offers 64 bit support

Full Specifications

Brand	AMD
Weight	2.8g
Wattage	6 watts
Platform	Windows
CPU Model	Phenom II X6
CPU Speed	2.8, 3, 3.2, 3.4 GHz
CPU Socket	Socket AM3
Multi-Core	Six-core
Unit Count	1 Count
Model Number	HDT55TFBGRBOX
Mfr Part Number	HDT55TFBGRBOX
Processor Brand	AMD
Processor Count	6
Processor Speed	2.8, 3, 3.2, 3.4 GHz
Secondary Cache	6 MB
CPU Manufacturer	AMD
Processor Series	Phenom II X6
Processor Socket	Socket AM3
Processor Core Count	6
Warranty Description	Manufacturer Limited Warranty period: 3 years

Ready to buy?

AMD Phenom II X6 1055T AM3 PIB 2.8G 9 MB 45NM 125W 2800MHZ 2.8 6 Socket AM3, HDT55TFBGRBOX 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.

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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.