Intel Core i9-12900HK
Expert rating8.7 / 10
- Brand:
- Intel
- Form Factor:
- Desktop
- CPU Socket:
- LGA 1700
- Core/Thread Count:
- 14C/20T
- TDP:
- 125W
- iGPU:
- Intel UHD Graphics 770
- CPU Series:
- Core i9
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Manufacturer: Intel Last updated: 2026-09-12
Intel Core i9-12900HK Review
Intel Core i9-12900HK 14-core 20-thread desktop processor, 2.5GHz base / 5.3GHz boost, 125W TDP, Alder Lake, LGA 1700 socket
The Intel Core i9-12900HK is an unlocked flagship desktop processor for overclocking and high-end gaming. Built on Intel's Alder Lake architecture, it pairs 14 cores and 20 threads with a 2.5GHz base clock that boosts up to 5.3GHz and Intel UHD Graphics 770 graphics, all within a 125W envelope.
Performance and Architecture
With 14 cores and 20 threads, the Intel Core i9-12900HK is built on Intel's Alder Lake generation. Its 2.5GHz base clock boosts up to 5.3GHz, and Intel UHD Graphics 770 graphics handle everyday display and light content-creation tasks.
Platform and Efficiency
The Intel Core i9-12900HK uses the LGA 1700 platform in a 125W envelope, positioned as an unlocked flagship desktop processor for overclocking and high-end gaming.
Comparison to Alternatives
Within the Core i9 lineup in this catalog, the Intel Core i9-12900HK sits among other Alder Lake parts at the 14-core tier, differentiated mainly by suffix, clock speed, and TDP. Against AMD's Ryzen processors in this catalog at a similar tier, Intel's Core i9 competes on single-thread performance and platform pricing, while against Intel's own Core Ultra parts in this catalog it lacks the on-die NPU but often costs less.
Specifications
Identity
| Product Line | Core |
|---|---|
| Model Number | i9-12900HK |
| Codename | Alder Lake |
| Release Year | 2022 |
Segment and platform
| Market Segment | Laptop |
|---|---|
| Microarchitecture | Alder Lake |
| Socket | LGA 1700 |
| Socket | BGA |
| Process Node | 10 nm |
Core configuration
| Total Cores | 14 |
|---|---|
| Performance Cores | 6 |
| Efficiency Cores | 8 |
| Total Threads | 20 |
| SMT Enabled | Yes |
Clock speeds
| P-Core Base Clock | 2.5 GHz |
|---|---|
| P-Core Boost Clock | 5.0 GHz |
| E-Core Base Clock | 1.8 GHz |
| E-Core Boost Clock | 3.8 GHz |
| Unlocked Multiplier | Yes |
Cache
| L3 Cache | 24 MB |
|---|
Power and thermal
| Base Power | 45 W |
|---|---|
| Max Turbo Power | 115 W |
Memory
| Memory Type | DDR5 or DDR4 |
|---|---|
| Max Memory Speed | 4800 MT/s |
| Memory Channels | 2 |
| Max Memory Capacity | 64 GB |
Graphics and AI
| Integrated Graphics | Yes |
|---|---|
| iGPU Model | Intel Iris Xe Graphics |
| iGPU Compute Units | 96 |
| Copilot Plus Certified | No |
Expansion
| PCIe Generation | PCIe 4.0 |
|---|---|
| PCIe Lanes | 20 |
| Form Factor | Desktop |
|---|---|
| TDP | 125 W |
| iGPU | Intel Iris Xe Graphics |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating8.7 / 10
The Intel Core i9-12900HK is an unlocked flagship desktop chip, a top pick for enthusiasts who want to overclock.
Best for
- Enthusiast desktop gaming
- Overclocking
- High-end productivity
Not for
- Laptops
- Fanless designs
- Extreme power efficiency needs
FAQs
What are the key specifications of the Intel Core i9-12900HK?
The Intel Core i9-12900HK is a processor from Intel. Key specs: Cores 14, Threads 20, Base Clock 2.5 GHz, Boost Clock 5.3 GHz, L3 Cache 26.
Will the Intel Core i9-12900HK work with my current setup?
The Intel Core i9-12900HK lists Socket is LGA 1700. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the Intel Core i9-12900HK best suited to?
It suits enthusiast desktop gaming, overclocking, high-end productivity.
What are the drawbacks of the Intel Core i9-12900HK?
It is a poor fit for laptops, fanless designs, extreme power efficiency needs.