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INTEL
Core i9-11900
11th Gen Intel Core i9-11900 desktop processor with 8 cores, 16 threads, up to 5.2 GHz Max Turbo Frequency, 16 MB Intel Smart Cache, 65W base TDP (224W Max Turbo Power), DDR4-3200 memory support, and PCIe 4.0. Includes Intel UHD Graphics 750.
Ordering CodeBX8070811900
PackageBox (Retail)
CategoryDesktop Processors
8
Cores
5.2 GHz
Max Turbo
16 MB
L3 Cache
16
Threads
65 W
Base Power
14nm
Process
Specifications sourced from Intel ARK. Last synced: March 9, 2026.
Full Specifications
Complete data sourced from Intel ARK — mapped to Evergreen canonical schema
Processor Architecture & Cores
| Codename | Rocket Lake (11th Gen) |
| Product Code | i9-11900 |
| Total Cores / Threads | 8 cores / 16 threads |
| Core Architecture | Cypress Cove (all Performance-cores, no E-cores) |
| Hyper-Threading | Yes (2 threads per P-core) |
| Lithography | 14 nm (Cypress Cove) |
| Socket | FCLGA1200 |
Performance & Frequency
| P-core Base Frequency | 2.5 GHz |
| Max Turbo Frequency | 5.2 GHz |
| Turbo Boost 2.0 | Yes — up to 5.2 GHz |
| Thermal Velocity Boost | No |
| Turbo Boost Max 3.0 | Yes |
| Overclocking | Locked (non-K series) |
Cache Hierarchy
| Intel Smart Cache (L3) | 16 MB (shared) |
| Total L2 Cache | 4 MB |
| L2 per Core | 0.50 MB MB |
Memory Support
| Memory Types | DDR4-3200 |
| Max Memory Size | 128 GB |
| Memory Channels | 2 |
| Max Memory Bandwidth | 50 GB/s |
| ECC Memory Support | No (consumer platform) |
Thermal & Power
| Processor Base Power (TDP) | 65 W |
| Max Turbo Power | 224 W |
| T-junction | 100 °C |
| Included Cooler | None (i9 Box — aftermarket cooler recommended) |
Graphics
| GPU Name | Intel UHD Graphics 750 |
| GPU Max Frequency | 1.30 GHz |
| Execution Units | 32 |
Connectivity
| PCI Express | PCIe 4.0 |
| Max PCIe Lanes (CPU) | 20 PCIe 4.0 |
| DMI 3.0 x8 Lanes | 8 |
Product Info
| Launch Date | Q1 2021 |
| Ordering Code (Box) | BX8070811900 |
| Ordering Code (Tray) | CM8070804488245 |
| Compatible Chipsets | 500-series (H510, B560, H570, Z590) and 400-series (Z490 with BIOS update) |
Structured Data (JSON-LD)
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}Frequently Asked Questions
What socket and motherboard chipset does the Intel Core i9-11900 require?
The Core i9-11900 uses the LGA 1200 socket and is compatible with Intel 500-series (H510, B560, H570, Z590) and 400-series (Z490 with BIOS update).
Does the Intel Core i9-11900 support DDR5 memory?
The Core i9-11900 supports DDR4-3200. Maximum supported memory is 128 GB across 2 channels.