Intel I7-4771 3.5 3 LGA 1155 Processor BX80646I74771

Name: Intel I7-4771 3.5 3 LGA 1155 Processor BX80646I74771
Brand: Unbranded
SKU: B00EF1G9D2

Bottom line: The Intel I7-4771 3.5 3 LGA 1155 Processor BX80646I74771: Quad-core with Hyper-Threading gives 8 threads for multitasking; main trade-off: haswell-era part, far behind current-gen CPUs on IPC.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-07

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 gives 8 threads for multitasking
✓ Turbo Boost 2.0 auto-clocks above the 3.5 GHz base
✓ FMA3 and F16C instructions speed up math and media workloads
✓ BMI1/BMI2 bit-manipulation support aids compression and crypto code

Cons

✗ Haswell-era part, far behind current-gen CPUs on IPC
✗ Listing states LGA 1155, but 4th-gen Core parts use LGA 1150
✗ No bundled cooler or accessories listed in the product details
✗ Brand field is blank on this listing, so seller origin is unclear

Manufacturer description

With the new 4th generation Intel Core i7 processor, you have the power to play, create, entertain, or inspire. Enjoy maximized performance that masters the most demanding tasks, multimedia, full-on gaming, and more-with amazing battery life41 and built-in security features to help keep your data safer.8 Effortlessly move between applications with smart multitasking, delivered by Intel Hyper-Threading Technology.2 Enjoy the thrill of an automatic burst of speed when you need it with Intel Turbo Boost Technology 2.0.1 Experience your movies, photos, and games with stunning HD, 3D, and…

SpecPicks Verdict

SpecPicks scored Intel I7-4771 3.5 3 LGA 1155 Processor BX80646I74771 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

BMI / BMI1 + BMI2 / Bit Manipulation instructions
F16C / 16-bit Floating-Point conversion instructions
FMA3 / 3-operand Fused Multiply-Add instructions

Full Specifications

Brand	Intel
Wattage	84 watts
Platform	Windows
CPU Model	Core i7
CPU Speed	3.5 GHz
CPU Socket	LGA 1155
Unit Count	1 Count
Model Number	BX80646I74771
Mfr Part Number	BX80646I74771
Number of Items	1
Processor Brand	Intel
Processor Count	3
Processor Speed	3.5 GHz
Secondary Cache	8 MB
CPU Manufacturer	Intel
Item Part Number	BX80646I74771
Processor Series	Core i7
Processor Socket	LGA 1155
Processor Core Count	4
Cache Memory Installed Size	8

Ready to buy?

Intel I7-4771 3.5 3 LGA 1155 Processor BX80646I74771 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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