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Intel
Intel Core i9-12900KF BX8071512900KF desktop processor
16-core hybrid desktop processor with 24 threads, up to 5.2 GHz turbo, 30 MB L3 cache, DDR4-3200 and DDR5-4800 support, 125 W base power, LGA 1700 socket, no integrated graphics
- Processors TypeDesktop
- NameCore i9-12900KF
- CPU Socket TypeLGA 1700
- Core NameAlder Lake
- # of Cores16-Core (8P+8E)
- # of Threads24-Threads
- 16 cores and 24 threads handle heavy multitasking with ease
- Hybrid 8 performance plus 8 efficient cores balance speed and power
- Up to 5.2 GHz max turbo frequency drives single-thread responsiveness
- Supports DDR4 3200 and DDR5 4800 memory up to 128 GB
- 20 PCIe lanes across Gen 5 4 3 give fast I/O expansion
16-Core Alder Lake Desktop CPU
The Intel Core i9-12900KF is a 16-core desktop processor built on the Alder Lake architecture with eight performance cores and eight efficient cores. It fits the LGA 1700 socket and delivers 24 threads for heavy multitasking. The chip has no integrated graphics so a discrete GPU is required.
Who this suits and who should look elsewhere
Creators and enthusiasts running threaded workloads such as rendering, compilation or streaming will benefit from the hybrid core design and high turbo frequencies. Users who only need light office or web tasks will not use the available headroom and can choose a lower-tier model.
128 GB dual-channel memory ceiling
The controller supports DDR4-3200 and DDR5-4800 in two channels up to 128 GB total with 76.8 GB/s peak bandwidth. That capacity covers large datasets and virtual machines comfortably. Memory-bound tasks that exceed dual-channel throughput or need more than 128 GB will hit the platform limit.
Points forts
- 16 cores and 24 threads handle heavy multitasking with ease
- Hybrid 8 performance plus 8 efficient cores balance speed and power
- Up to 5.2 GHz max turbo frequency drives single-thread responsiveness
- Supports DDR4 3200 and DDR5 4800 memory up to 128 GB
- 20 PCIe lanes across Gen 5 4 3 give fast I/O expansion
Caractéristiques
| Brand | Intel |
|---|---|
| Processors Type | Desktop |
| Series | Core i9 12th Gen |
| Name | Core i9-12900KF |
| Model | BX8071512900KF |
| CPU Socket Type | LGA 1700 |
| Core Name | Alder Lake |
| # of Cores | 16-Core (8P+8E) |
| # of Threads | 24-Threads |
| Operating Frequency | P-core Base Frequency: 3.2 GHz E-core Base Frequency: 2.4 GHz |
| Max Turbo Frequency | Intel Turbo Boost Max Technology 3.0 Frequency: Up to 5.2 GHz Single P-core Turbo Frequency: Up to 5.1 GHz Single E-core Turbo Frequency: Up to 3.9 GHz |
| L2 Cache | 14MB |
| L3 Cache | 30MB |
| Manufacturing Tech | Intel 7 |
| Instruction Set | 64-Bit |
| Hyper-Threading Support | Yes |
| Memory Types | DDR4 3200 / DDR5 4800 |
| Memory Channel | 2 |
| Max Memory Size | 128 GB |
| Max Memory Bandwidth | 76.8 GB/s |
| Virtualization Technology Support | Yes |
| Integrated Graphics | None Integrated Graphics |
| PCI Express Revision | 5.0 / 4.0 / 3.0 |
| Max Number of PCI Express Lanes | 20 |
| Thermal Design Power | Processor Base Power: 125W Maximum Turbo Power: 241W |
| Cooling Device | Cooling device not included - Processor Only |
| Operating System Supported | Windows 11 |
| Poids d’expédition | 0.09 kg |
| Dimensions du colis | 117 × 104 × 48 mm |
Questions sur cet article
What motherboard socket do I need for the LGA 1700 processor?
The processor requires a motherboard with an LGA 1700 socket.
Can I keep my existing DDR4 3200 memory with the 16-core CPU?
Yes, the memory controller supports DDR4 3200 alongside DDR5 4800 in dual-channel mode up to 128 GB.
How do I confirm the 30 MB L3 cache is active after assembly?
Check the reported L3 cache size in BIOS or a system-information utility such as CPU-Z.
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