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Intel Core i3-2120 Dual-Core Processor 3.3 GHz 3 MB Cache LGA 1155 - BX80623I32120

Intel Core i3-2120 Dual-Core Processor 3.3 GHz 3 MB Cache LGA 1155 - BX80623I32120

Bottom line: The Intel Core i3-2120 Dual-Core Processor 3.3 GHz 3 MB Cache LGA 1155 ($163.04 on Amazon as of 2026-10-06): Dual-core with Hyper-Threading: 2 cores, 4 threads at 3.3 GHz; main trade-off: only 3 MB Smart Cache limits heavier multitasking.

$163.04

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Buy on Amazon — $163.04 Compare to similar retro cpus

By , Founder & Editor-in-Chief · Listing data updated

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.

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

Pros & Cons

Pros

  • ✓ Dual-core with Hyper-Threading: 2 cores, 4 threads at 3.3 GHz
  • ✓ Low 65W TDP eases retro LGA1155 builds
  • ✓ Integrated HD 2000 graphics, 850 MHz base / 1.1 GHz boost
  • ✓ VT-x virtualization and 21 GB/s memory bandwidth

Cons

  • ✗ Only 3 MB Smart Cache limits heavier multitasking
  • ✗ No Turbo Boost: locked at 3.3 GHz base clock
  • ✗ 32 nm Sandy Bridge is two-plus generations behind modern chips
  • ✗ Requires an LGA1155 board, harder to source now

Manufacturer description

Intel Core i3 Processor i3-2120 3.3GHz 3MB LGA1155 CPU

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SpecPicks Verdict

SpecPicks scored Intel Core i3-2120 Dual-Core Processor 3.3 GHz 3 MB Cache LGA 1155 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

  • Process Type: Intel Core i3 Processor i3-2120 Frequency: 3.3 GHz DMI: 5 GT/s
  • Intel Smart Cache: 3 MB Process: 32 nm Socket: LGA1155
  • Power Consumption: 65 W Max Memory Bandwidth: 21 GB/s Graphics Base Frequency: 850 MHz
  • Graphics Max Dynamic Frequency: 1.1 GHz This processor is a Dual Core Processor
  • This processor supports Hyper-Threading Technology This processor supports Intel Virtualization Technology (VT-x). Has 2 cores, 4 threads.

Full Specifications

BrandIntel
Wattage65 watts
PlatformWindows
CPU ModelCore i3
CPU Speed3.6 GHz
CPU SocketLGA 1155
Unit Count1 Count
Model NumberCM8062301044204
Process TypeIntel Core i3 Processor i3-2120 Frequency: 3.3 GHz DMI: 5 GT/s
Mfr Part NumberBX80623I32120
Processor BrandIntel
Processor Count2
Processor Speed3.6 GHz
Secondary Cache3 MB
CPU ManufacturerIntel
Item Part NumberBX80623I32120
Processor SeriesCore i3
Processor SocketLGA 1155
Intel Smart Cache3 MB Process: 32 nm Socket: LGA1155
Power Consumption65 W Max Memory Bandwidth: 21 GB/s Graphics Base Frequency: 850 MHz

Ready to buy?

Intel Core i3-2120 Dual-Core Processor 3.3 GHz 3 MB Cache LGA 1155 - BX80623I32120 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $163.04

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

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Intel Core i3-2120 Dual-Core Processor 3.3 GHz 3 MB Cache LGA 1155 - BX80623I32120
$163.04
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