Hybrid 16-Core Desktop Design
Alder Lake architecture combines 16 cores and 24 threads in Intel’s 12th Gen Core i9 desktop lineup.
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Updated 3 months ago
Core i9-12900K
16-core 12th Gen Alder Lake flagship that introduced Intel's hybrid desktop design. Discounted pricing keeps it relevant for high-performance LGA1700 builds.
General Information
BrandIntel
NameCore i9-12900K
Product Highlights
High Clock Speeds with Overclocking
The processor has a 3.2 GHz base clock, up to 5.2 GHz max boost clock, and supports overclocking.
Modern Platform Support
LGA1700 compatibility includes support for dual-channel DDR5-4800 or DDR4-3200 memory and PCIe 5.0 and 4.0.
The Intel Core i9-12900K is a 12th Gen Alder Lake desktop processor for LGA1700 builds, featuring 16 cores, 24 threads, Intel 7 manufacturing, integrated graphics, and support for DDR5 or DDR4 memory.
Media Reviews
PCMag4/5
Intel Core i9-12900K Review | PCMag
The Core i9-12900K is considered Intel's first truly innovative high-end desktop CPU in years, highlighted by its hybrid performance/efficiency core design and support for DDR5, though it comes with a high initial cost and potential gaming growing pains.
PCWorld
Intel Core i9-12900K review: Intel. Is. Back. | PCWorld
The processor is described as a stunning return to greatness that puts Intel back on top for desktop CPUs, offering impressive application and gaming performance along with relatively good value compared to Ryzen, though it can be a power-hungry chip under heavy loads.
Read review
Trusted Reviews
Intel Core i9-12900K Review - Trusted Reviews
The i9-12900K is identified as an outstanding high-end processor and a powerful consumer chip for gaming that also provides a massive boost in multi-threaded performance, making it a competitive, well-rounded option.
Read review
TechSpot90/100
Intel Core i9-12900K Review: Alder Lake Arrives
The review analyzes the new Alder Lake architecture and positions the i9-12900K as a strong competitor to AMD's Ryzen 9 5900X and 5950X, concluding with a score of 90/100.
Video Analysis
31:23
Intel Did It: Core i9-12900K CPU Review & Benchmarks vs. AMD
806,640 views • 4 years ago
14:37
I've been using the Intel 12900k for a month now... Here's how it's been...
559,910 views • 4 years ago
26:19
Intel At Its Best: Revisiting the i9-12900K, i7-12700K, i5-12600K, 12400, & i3-12100F in 2024
305,368 views • 1 year ago
29:24
Intel Core i9-12900K Review, Gaming, Applications, Power & Temps
230,183 views • 4 years ago
9:10
New Fastest CPU – Intel i9 12900K Review
87,459 views • 4 years ago
2:44
Don’t Buy the Intel Core i9-12900K Review Until You Watch This!
210 views • 7 months ago
Attributes
| Attribute | Specification | Notes |
|---|---|---|
| Architecture | Alder Lake (Alder Lake-S; 12th Gen Core i9 hybrid P-cores + E-cores) | |
| Base Clock Speed | 3.2 GHz | GHz |
| Cache Size | 30 MB | MB |
| Core Count | 16 cores | cores |
| Cpu Socket | LGA1700 | |
| Included Cooler | No | |
| Integrated Graphics | Yes | |
| Launch Date | November 4, 2021 | |
| Manufacturing Process | Intel 7 | |
| Max Boost Clock Speed | 5.2 GHz | GHz |
| Memory Support | Up to DDR5-4800 MT/s or DDR4-3200 MT/s (dual-channel) | |
| Overclocking Support | Yes | |
| Pci Express Version | PCIe 5.0 and PCIe 4.0 | |
| Thermal Design Power | 125 W | W |
| Thread Count | 24 threads | threads |
Purchase Options
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