Intel Core i7 860 Processor 2.80 GHz 8 MB LGA1156 CPU I7-860BOX

Name: Intel Core i7 860 Processor 2.80 GHz 8 MB LGA1156 CPU I7-860BOX
Brand: Unbranded
SKU: B002KQ5KE8

Bottom line: The Intel Core i7 860 Processor 2.80 GHz 8 MB LGA1156 CPU I7-860BOX: Quad-core with Hyper-Threading delivers 8 threads at a 2.80 GHz base clock; main trade-off: 95 W power consumption is high next to newer quad-cores.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-18

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

✓ Quad-core with Hyper-Threading delivers 8 threads at a 2.80 GHz base clock
✓ 8 MB cache paired with the LGA 1156 socket for first-gen Core retro builds
✓ Intel Virtualization Technology (VT) support for running period-correct VMs
✓ Enhanced SpeedStep plus C1E halt state throttle clocks and voltage when idle

Cons

✗ 95 W power consumption is high next to newer quad-cores
✗ Dead-end LGA 1156 socket leaves no CPU upgrade path on the same board
✗ 45 nm process trails modern nodes on performance per watt
✗ 2.5 GT/s bus speed caps platform bandwidth versus later Intel sockets

Manufacturer description

Specifications: Mfr Part Number: BX80605I7860, Process Type: Intel Core i7 Processor i7-860, Frequency: 2.80 GHz, Bus Speed: 2.5 GT/s, Cache: 8 MB, Process: 45 nm, Socket: LGA 1156, Power Consumption: 95 W, Package: Retail, This processor is a Quad Core Processor, This processor supports Enhanced Intel Speedstep Technology, This processor supports Hyper-Threading Technology, This processor supports Extended Memory 64 Technology (EM64T), This processor supports Intel Virtualization Technology, This processor supports Enhanced Halt State (C1E), This processor supports Execute Disable Bit

SpecPicks Verdict

SpecPicks scored Intel Core i7 860 Processor 2.80 GHz 8 MB LGA1156 CPU I7-860BOX 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

Quad Core Enhanced Intel Speedstep Technology
Hyper-Threading Technology
Intel EM64T 2 Intel Virtualization Technology

Full Specifications

Brand	Intel
Wattage	95 watts
Platform	Windows
CPU Model	Core i7
CPU Speed	2.8
CPU Socket	LGA 1156
Unit Count	1.0 Count
Model Number	BX80605I7860
Mfr Part Number	BX80605I7860
Processor Brand	Intel
Processor Count	4
Processor Speed	2.8
Secondary Cache	8 MB
CPU Manufacturer	Intel
Processor Series	Core i7
Processor Socket	LGA 1156
Processor Core Count	4
Cache Memory Installed Size	8
Global Trade Identification Number	00735858210478
Processor Number of Concurrent Threads	8

Ready to buy?

Intel Core i7 860 Processor 2.80 GHz 8 MB LGA1156 CPU I7-860BOX 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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