Intel Core i9-12900
Expert rating8.2 / 10
- Brand:
- Intel
- Form Factor:
- Desktop
- CPU Socket:
- LGA 1700
- Core/Thread Count:
- 16C/24T
- TDP:
- 65W
- iGPU:
- Intel UHD Graphics 770
- CPU Series:
- Core i9
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Manufacturer: Intel Last updated: 2026-09-12
Intel Core i9-12900 Review
Intel Core i9-12900 16-core 24-thread desktop processor, 2.4GHz base / 5.6GHz boost, 65W TDP, Alder Lake, LGA 1700 socket
The Intel Core i9-12900 is a mainstream desktop processor for everyday productivity and gaming builds. Built on Intel's Alder Lake architecture, it pairs 16 cores and 24 threads with a 2.4GHz base clock that boosts up to 5.6GHz and Intel UHD Graphics 770 graphics, all within a 65W envelope.
Performance and Architecture
With 16 cores and 24 threads, the Intel Core i9-12900 is built on Intel's Alder Lake generation. Its 2.4GHz base clock boosts up to 5.6GHz, and Intel UHD Graphics 770 graphics handle everyday display and light content-creation tasks.
Platform and Efficiency
The Intel Core i9-12900 uses the LGA 1700 platform in a 65W envelope, positioned as a mainstream desktop processor for everyday productivity and gaming builds.
Comparison to Alternatives
Within the Core i9 lineup in this catalog, the Intel Core i9-12900 sits among other Alder Lake parts at the 16-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 | i9-12900 |
| Codename | Alder Lake |
| Release Year | 2022 |
Segment and platform
| Market Segment | Desktop |
|---|---|
| Microarchitecture | Alder Lake |
| Socket | LGA 1700 |
| Socket | LGA 1700 |
| Socket Status | Mature |
| Process Node | 10 nm |
Core configuration
| Total Cores | 16 |
|---|---|
| Performance Cores | 8 |
| Efficiency Cores | 8 |
| Total Threads | 24 |
| SMT Enabled | Yes |
Clock speeds
| P-Core Base Clock | 2.4 GHz |
|---|---|
| P-Core Boost Clock | 5.1 GHz |
| E-Core Base Clock | 1.8 GHz |
| E-Core Boost Clock | 3.8 GHz |
| Unlocked Multiplier | No |
Cache
| L2 Cache | 14 MB |
|---|---|
| L3 Cache | 30 MB |
Power and thermal
| Base Power | 65 W |
|---|---|
| Max Turbo Power | 202 W |
| Bundled Cooler | Intel Laminar RM1 |
Memory
| Memory Type | DDR5 or DDR4 |
|---|---|
| Max Memory Speed | 4800 MT/s |
| Memory Channels | 2 |
| Max Memory Capacity | 128 GB |
Graphics and AI
| Integrated Graphics | Yes |
|---|---|
| iGPU Model | Intel UHD Graphics 770 |
| iGPU Compute Units | 32 |
| Copilot Plus Certified | No |
Expansion
| PCIe Generation | PCIe 5.0 |
|---|---|
| PCIe Lanes | 20 |
Commercial
| Launch MSRP | 489 USD |
|---|---|
| Retail Availability | Boxed Retail |
| Form Factor | Desktop |
|---|---|
| TDP | 65 W |
| iGPU | Intel UHD Graphics 770 |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating8.2 / 10
The Intel Core i9-12900 is a mainstream desktop processor, a solid all-rounder for gaming and productivity builds.
Best for
- Desktop gaming
- Everyday productivity
- Mainstream desktop builds
Not for
- Laptops
- Fanless designs
- Extreme power efficiency needs
FAQs
What are the key specifications of the Intel Core i9-12900?
The Intel Core i9-12900 is a processor from Intel. Key specs: Cores 16, Threads 24, Base Clock 2.4 GHz, Boost Clock 5.6 GHz, L3 Cache 30.
Will the Intel Core i9-12900 work with my current setup?
The Intel Core i9-12900 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 i9-12900 best suited to?
It suits desktop gaming, everyday productivity, mainstream desktop builds.
What are the drawbacks of the Intel Core i9-12900?
It is a poor fit for laptops, fanless designs, extreme power efficiency needs.