Intel Core i9-11900KF vs Intel Core i7-11700KF: comparison
Comparison of Intel Core i9-11900KF and Intel Core i7-11700KF: key differences and a full specification table.
Key differences
Intel Core i9-11900KF has a higher maximum clock (5.3 GHz vs 5 GHz).
At the same time, Intel Core i7-11700KF has a higher base clock (3.6 GHz vs 3.5 GHz).
Both processors match on: core count (8), thread count (16), L3 cache (16 MB), TDP (125 W), process node (14 nm), maximum memory size (128 GB), memory channels (2), PCIe version (4).
These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.
Key specifications
| Parameter | Intel Core i9-11900KF | Intel Core i7-11700KF |
|---|---|---|
| Cores / threads | 8 / 16 | 8 / 16 |
| Max boost clock | 5.3 GHz | 5 GHz |
| L3 cache | 16 MB | 16 MB |
| TDP | 125 W | 125 W |
| Process | 14 nm | 14 nm |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | Intel Core i9-11900KF | Intel Core i7-11700KF |
|---|---|---|
| General | ||
| Model | i9-11900KF | i7-11700KF |
| Codename | Rocket Lake | Rocket Lake |
| Segment | Desktop | Desktop |
| Product line | Процессоры Intel Core i9 11-го поколения | Процессоры Intel Core i7 11-го поколения |
| Process | 14 nm | 14 nm |
| Launch date | Q1 2021 | Q1 2021 |
| Status | Launched | Launched |
| Embedded options available | No | No |
| Use conditions | PC/Client/Tablet | PC/Client/Tablet |
| CPU | ||
| Cores | 8 | 8 |
| Threads | 16 | 16 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 3.5 GHz | 3.6 GHz |
| Max boost clock | 5.3 GHz | 5 GHz |
| Turbo Boost Max 3.0 frequency | 5.2 GHz | 5 GHz |
| Turbo Boost 2.0 frequency | 5.1 GHz | 4.9 GHz |
| Thermal Velocity Boost frequency | 5.3 GHz | — |
| L3 cache | 16 MB | 16 MB |
| Bus speed | 8 GT/s | 8 GT/s |
| TDP | 125 W | 125 W |
| Configurable TDP-down | 95 W | 95 W |
| cTDP-down base frequency | 3 GHz | 3.1 GHz |
| Turbo Boost | Yes (2) | Yes (2) |
| 64-bit support | Yes | Yes |
| Instruction set width | 64 bit | 64 bit |
| Instruction set extensions | SSE4.1, SSE4.2, AVX2, AVX-512 | SSE4.1, SSE4.2, AVX2, AVX-512 |
| Memory | ||
| Max memory size | 128 GB | 128 GB |
| Memory types | DDR4 | DDR4 |
| Memory channels | 2 | 2 |
| Max memory bandwidth | 50 GB/s | 50 GB/s |
| ECC memory supported | No | No |
| I/O and interfaces | ||
| PCI Express revision | 4 | 4 |
| PCI Express lanes | 20 | 20 |
| PCI Express configurations | Up to 1x16+1x4, 2x8+1x4, 1x8+3x4 | Up to 1x16+1x4, 2x8+1x4, 1x8+3x4 |
| Scalability | 1S Only | 1S Only |
| Package and thermal | ||
| Sockets supported | FCLGA1200 | FCLGA1200 |
| Max CPU configuration | 1 | 1 |
| Package size | 37.5 mm x 37.5 mm | 37.5 mm x 37.5 mm |
| TJUNCTION | 100 °C | 100 °C |
| Thermal solution specification | PCG 2019A | PCG 2019A |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | Yes |
| Virtualization for Directed I/O (VT-d) | Yes | Yes |
| Extended Page Tables (EPT) | Yes | Yes |
| AES-NI | Yes | Yes |
| Execute Disable Bit | Yes | Yes |
| Intel Trusted Execution Technology | No | No |
| Secure Key | Yes | Yes |
| Intel OS Guard | Yes | Yes |
| Intel Boot Guard | Yes | Yes |
| Intel Software Guard Extensions | No | No |
| Stable IT Platform Program | No | No |
| Technologies | ||
| Enhanced SpeedStep | Yes | Yes |
| Idle States | Yes | Yes |
| Thermal Monitoring Technologies | Yes | Yes |
| Identity Protection Technology | Yes | Yes |
| Deep Learning Boost | Yes | Yes |
| Turbo Boost Max 3.0 | Yes | Yes |
| Thermal Velocity Boost | Yes | No |
| Optane Memory Supported | Yes | Yes |
| Gaussian & Neural Accelerator | Yes (2) | Yes (2) |