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| Overview | |
|---|---|
| Product Name | Intel® Core™ i9-12900KF |
| Product Collection | 12th Generation Intel® Core™ i9 Processors |
| Code Name | Alder Lake (formerly) |
| Microarchitecture | Golden Cove (P-cores) + Gracemont (E-cores) |
| Vertical Segment | Desktop |
| Launch Date | Q4 2021 (November 4, 2021) |
| Lithography / Process | Intel 7 (10nm Enhanced SuperFin) |
| Marketing Status | Launched |
| Ordering Code | BX8071512900KF |
| CPU Cores & Threads | |
| Total Cores | 16 |
| Performance-cores (P-cores) | 8 (Golden Cove) |
| Efficient-cores (E-cores) | 8 (Gracemont) |
| Total Threads | 24 (P-cores support Hyper-Threading; E-cores do not) |
| Hyper-Threading Technology | Yes (P-cores only) |
| Clock Speeds | |
| P-core Base Frequency | 3.20 GHz |
| E-core Base Frequency | 2.40 GHz |
| P-core Max Turbo Frequency | 5.10 GHz |
| E-core Max Turbo Frequency | 3.90 GHz |
| Max Turbo Frequency (Overall) | 5.20 GHz |
| Intel® Turbo Boost Max 3.0 Frequency | 5.20 GHz |
| Unlocked Multiplier | Yes (Overclocking supported) |
| Cache | |
| L3 Cache (Intel® Smart Cache) | 30 MB (shared) |
| Total L2 Cache | 14 MB |
| Total Cache (L2 + L3) | 44 MB |
| Power | |
| Processor Base Power (TDP) | 125 W |
| Maximum Turbo Power | 241 W |
| Max Junction Temperature (Tj Max) | 72 °C |
| Thermal Solution Included | No (sold separately) |
| Memory | |
| Memory Types Supported | DDR5, DDR4 |
| Max DDR5 Speed | DDR5-4800 MT/s |
| Max DDR4 Speed | DDR4-3200 MT/s |
| Max Memory Capacity | 128 GB |
| Memory Channels | 2 (Dual-Channel) |
| Max Memory Bandwidth | 76.8 GB/s |
| ECC Memory Support | Yes (requires chipset support) |
| I/O & Connectivity | |
| Total PCIe Lanes | 20 |
| PCIe 5.0 Lanes | 16 |
| PCIe 4.0 Lanes | 4 |
| DMI Version | DMI 4.0 |
| DMI Lanes | 8 |
| Compatible Chipsets | Intel 600 Series (Z690, H670, B660, H610) |
| Socket & Platform | |
| Socket | FCLGA1700 (LGA 1700) |
| Platform Generation | 12th Gen Intel® Core™ (Alder Lake) |
| Graphics | |
| Integrated Graphics | None (F-suffix = no iGPU) |
| Discrete Graphics Required | Yes |
| Features & Technologies | |
| Intel® Thread Director | Yes |
| Intel® Turbo Boost Max Technology 3.0 | Yes |
| Intel® Deep Learning Boost (VNNI) | Yes |
| Gaussian & Neural Accelerator (GNA 3.0) | Yes |
| Intel® Extreme Tuning Utility (XTU) | Yes |
| Intel® 64 (EM64T) | Yes |
| AES-NI | Yes |
| Intel® Virtualization Technology (VT-x) | Yes |
| Intel® VT-d (Virtualization for Directed I/O) | Yes |
| Intel® Hyper-Threading Technology | Yes (P-cores) |
| Intel® Speed Shift Technology | Yes |
| Intel® Thermal Velocity Boost | Yes |
| Thunderbolt™ 4 Support | Yes (via platform/chipset) |
| Intel® Killer Wi-Fi 6/6E (Gig+) Support | Yes (via platform) |
| Overclocking Support | Yes (K-series unlocked) |
| Instruction Set Extensions | |
| Instruction Set | x86-64 |
| Extensions Supported | SSE4.1, SSE4.2, AVX2, AVX-512, VNNI |
| Ordering & Identification | |
| Processor Number | i9-12900KF |
| Box SKU / Ordering Code | BX8071512900KF |
| Stepping | C0 |
| ECCN | 5A992C |
| US HTS | 8542310050 |






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