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735858499613
Intel Core i9-12900K Processor
735858499613

Intel Core i9-12900K Processor

Best price now

$354.99at AmazonChecked 50 min ago

29% under what the other stores charge

Compared across 14 stores. Prices are checked against each store and labelled with when. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Price facts

  • Best price today: $354.99 at Amazon (checked Nov 11, 2026).
  • Checked at 14 stores.

Our take on the Intel Core i9-12900K Processor

The Core i9-12900K is Intel's 12th-gen flagship desktop CPU for socket LGA 1700. It pairs eight performance cores with eight efficiency cores for 16 cores and 24 threads, boosting to 5.2 GHz on the fast cores. It suits gamers and creators who want strong multi-threaded performance and can cool and power it properly. Against the Core i7-12700K it adds more cores and higher clocks; against AMD's Ryzen 9 5900X it trades blows in games and trails slightly in some long all-core workloads while running hotter.

Best forGamers building a high-refresh-rate LGA 1700 systemVideo editors and 3D users who want fast all-core renderingEnthusiasts who overclock and tune their own buildsUsers who want integrated UHD Graphics 770 for a display output or Quick Sync
Pros
  • 16 cores and 24 threads handle gaming plus heavy multitasking
  • High boost clocks give strong single-thread performance
  • Unlocked multiplier for overclocking
  • Integrated UHD Graphics 770 means you can boot without a discrete GPU
  • Supports DDR5 and DDR4 depending on the motherboard
  • Quick Sync speeds up video encoding and transcoding
Cons
  • Runs hot and draws a lot of power under sustained all-core loads
  • Needs a strong cooler and a capable Z690 or B660 board to shine
  • LGA 1700 boards and DDR5 memory add cost to the build
  • Efficiency cores can complicate older software and some games
  • No bundled cooler

Intel Core i9-12900K Processor prices at every store

  • Hard Disk DirectNew

    In stock

    $480.00Free shippingChecked 50 min ago
    Visit Hard Disk Direct
  • W.B. MasonNew

    In stock

    $629.98+ $12.95 shippingChecked 50 min ago
    Visit W.B. Mason
  • eBayNew

    In stock

    $729.00Checked 50 min ago
    Visit eBay
  • Grooves-Inc.comNew

    Availability unknownShips from abroad · duties may apply

    $340.83Checked 50 min ago
    Visit Grooves-Inc.com
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $354.99Free shippingChecked 50 min ago
    Visit Amazon
  • AAAwaveNew

    Availability unknown

    $409.55Checked 50 min ago
    Visit AAAwave
  • Techinn.comNew

    Availability unknownShips from abroad · duties may apply

    $439.99Checked 50 min ago
    Visit Techinn.com
  • serverblink.comNew

    Availability unknown

    $441.01Checked 50 min ago
    Visit serverblink.com
  • AVADirect Custom ComputersNew

    Availability unknown

    $484.14Checked 50 min ago
    Visit AVADirect Custom Computers
  • Newegg.comNew

    Availability unknownSold by 3C Expert

    $499.00Checked 50 min ago
    Visit Newegg.com
  • DiskloopNew

    Availability unknown

    $595.44Checked 50 min ago
    Visit Diskloop
  • WiAutomation USNew

    Availability unknown

    $618.77Checked 50 min ago
    Visit WiAutomation US
  • Central Business SystemsNew

    Availability unknown

    $639.99Checked 50 min ago
    Visit Central Business Systems
  • Utmel ElectronicsNew

    Availability unknownShips from abroad · duties may apply

    $932.48Checked 50 min ago
    Visit Utmel Electronics

Store links may earn us a commission.

Intel Core i9-12900K Processor price history

Lowest price we've seen: $340.83 on Nov 11 at Grooves-Inc.com. Tracked across 14 stores since Nov 11.

What reviewers say

Reviewers rate the i9-12900K as one of the fastest mainstream desktop chips of its generation, especially in games and bursty workloads. Owners praise the responsiveness and multitasking headroom but often mention heat and power draw.

What people mention
  • PerformancePraisedReviewers and owners describe it as very fast in games and in multi-threaded work like rendering and encoding.
  • Power drawCriticisedSustained all-core loads pull a lot of power, which reviewers flag as a platform consideration.
  • HeatCriticisedIt runs hot under load, and owners say a strong cooler is required.
  • OverclockingPraisedEnthusiasts report good headroom when paired with capable cooling and a Z690 board.
  • Integrated graphicsPraisedOwners value the UHD Graphics 770 for display output and Quick Sync video acceleration.
  • Platform costMixedReviewers note that LGA 1700 boards and DDR5 memory raise the total build cost.

About the Intel Core i9-12900K Processor

The Intel Core i9-12900K is a 12th Generation Core i9 desktop processor from the Alder Lake family. It has 16 cores and a base frequency of 3.20GHz.

The processor fits the LGA 1700 socket and includes 30MB of L3 cache. It has integrated Intel UHD Graphics 770.

Model
BX8071512900K
Series
Intel Core i9, 12th Gen (Alder Lake)
Cores
16
Clock speed
3.20GHz
Socket
LGA 1700
L3 cache
30MB
Graphics
Intel UHD Graphics 770

Questions and answers

Is the i9-12900K still worth buying?
It remains a fast gaming and productivity chip, especially at its current standing against newer mid-range CPUs. If you already have an LGA 1700 board or DDR4 memory, it is an easy upgrade; a fresh build may favor a newer generation.
How does it compare with the i7-12700K?
The i9 has more cores, higher clocks and more cache, so it pulls ahead in heavy multi-threaded work. In games the gap is smaller, and the i7 runs cooler and draws less power.
What cooler does it need?
Plan on a large dual-tower air cooler or a 240mm or bigger liquid cooler. It has no bundled cooler and runs hot under sustained all-core loads.
Does it work with DDR4 or DDR5?
Both, but the motherboard decides. DDR4 boards are cheaper; DDR5 boards cost more and need DDR5 modules.
Do I need a graphics card?
Not to boot or run a desktop, since UHD Graphics 770 is built in. For gaming or GPU-accelerated work you still want a discrete card.
What socket and chipset does it use?
It uses socket LGA 1700 with 600-series chipsets such as Z690, B660 and H610. Z690 is needed for CPU overclocking.
Where is the Intel Core i9-12900K Processor cheapest?
At Amazon, for $354.99, 29% under what the other stores charge, as of our latest check.
Where can I buy the Intel Core i9-12900K Processor?
14 stores we checked sell it, including Amazon, Grooves-Inc.com, AAAwave, Techinn.com, serverblink.com.

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Stores we've priced the Intel Core i9-12900K Processor at

  • Newegg deals and prices
  • Trekkinn.com deals and prices

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