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X5650 CPU, Six Core Twelve Threads 2.66GHz 12M Cache LGA1366 6.4 GT,s 95W DDR3 800,1066,1333 SSE4.2 Maximum 3 Memory Channels Maximum 32GB,s Memory Bandwidth
fosa1

X5650 CPU, Six Core Twelve Threads 2.66GHz 12M Cache LGA1366 6.4 GT,s 95W DDR3 800,1066,1333 SSE4.2 Maximum 3 Memory Channels Maximum 32GB,s Memory Bandwidth

Bottom line: The X5650 CPU, Six Core Twelve Threads 2.66GHz 12M Cache LGA1366 6.4 GT,s is a specs-and-price decision rather than a crowd-consensus one in the processors category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ This product is made of metal material, strong and .
  • ✓ Backed by fosa1's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Specifications:Material: MetalSize: Approx. 4.5*4.2*0.5cm/1.77*1.65*0.20inchCore Quantity: SixThreads Quantity: TwelveProcessor base frequency: 2.66GHzMaximum Turo frequency: 3.06GHzCache: 12MB SmartCacheBus Speed: 6.4 GT/sLink: 2TDP: 95WVID Voltage Frequency: 0.750V-1.350VMaximum memory (depends on memory type): 288GBMemory type: DDR3 800/1066/1333Maximum memory channels quantity: 3Maximum memory bandwidth: 32GB/sPhysical address extension: 40-bitECC Memory support: YESSupport slot: FCLGA1366Maximum CPU configuration: 2For Turbo Boost Technology 1.0For Hyper-Threading Technology: yesFor…

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SpecPicks Verdict

SpecPicks scored X5650 CPU, Six Core Twelve Threads 2.66GHz 12M Cache LGA1366 6.4… using a rating × review-volume × price-fit model applied to published specs and reviews across the processors category. fosa1's processors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. 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 processors 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

  • This product is made of metal material, strong and .
  • Code name is for series X5650, six-core twelve threads, up to 2.66GHz basic frequency, super performance.
  • 95W power consumption, 12M cache, 6.4GT/s bus.
  • LGA 1366 interface for motherboards of the X58, and servers.
  • Support for Hyper-Threading Technology, for Virtualization Technology and other technology.

Full Specifications

Brandfosa1
Wattage95 watts
PlatformWindows 10
CPU Speed3.06 GHz
CPU SocketLGA 1366
Unit Count1 Count
Model Numberfosa4ycn78izud
Mfr Part Numberfosa4ycn78izud
Processor BrandIntel
Processor Count6
Processor Speed3.06 GHz
Secondary Cache12 MB
CPU ManufacturerIntel
Processor SocketLGA 1366
Processor Core Count6
Item Dimensions L x W1.77"L x 1.65"W
Cache Memory Installed Size12
Processor Number of Concurrent Threads12

Ready to buy?

X5650 CPU, Six Core Twelve Threads 2.66GHz 12M Cache LGA1366 6.4 GT,s 95W DDR3 800,1066,1333 SSE4.2 Maximum 3 Memory Channels Maximum 32GB,s Memory Bandwidth 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.

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X5650 CPU, Six Core Twelve Threads 2.66GHz 12M Cache LGA1366 6.4 GT,s 95W DDR3 800,1066,1333 SSE4.2 Maximum 3 Memory Channels Maximum 32GB,s Memory Bandwidth
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