Intel Core i9-9900X серии X vs Intel Core i9-9920X серии X: comparison
Comparison of Intel Core i9-9900X серии X and Intel Core i9-9920X серии X: key differences and a full specification table.
Key differences
Intel Core i9-9920X серии X has more cores (12 vs 10) and more threads (24 vs 20).
Both processors match on: base clock (3.5 GHz), maximum clock (4.4 GHz), L3 cache (19.25 MB), TDP (165 W), process node (14 nm), maximum memory size (128 GB), memory channels (4), PCIe version (3).
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 i9-9900X серии X | Intel Core i9-9920X серии X |
|---|---|---|
| Cores / threads | 10 / 20 | 12 / 24 |
| Max boost clock | 4.4 GHz | 4.4 GHz |
| L3 cache | 19.25 MB | 19.25 MB |
| TDP | 165 W | 165 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 i9-9900X серии X | Intel Core i9-9920X серии X |
|---|---|---|
| General | ||
| Model | i9-9900X | i9-9920X |
| Codename | Skylake | Skylake |
| Segment | Desktop | Desktop |
| Product line | Процессоры Intel Core серии X | Процессоры Intel Core серии X |
| Process | 14 nm | 14 nm |
| Launch date | Q4 2018 | Q4 2018 |
| Status | Discontinued | Discontinued |
| Servicing status | Baseline Servicing | Baseline Servicing |
| End of servicing updates | 12/31/2023 | 12/31/2023 |
| Embedded options available | No | No |
| Box contents | Please note: The boxed product does not include a fan or heat sink | Please note: The boxed product does not include a fan or heat sink |
| CPU | ||
| Cores | 10 | 12 |
| Threads | 20 | 24 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 3.5 GHz | 3.5 GHz |
| Max boost clock | 4.4 GHz | 4.4 GHz |
| Turbo Boost Max 3.0 frequency | 4.5 GHz | 4.5 GHz |
| L3 cache | 19.25 MB | 19.25 MB |
| Bus speed | 8 GT/s | 8 GT/s |
| TDP | 165 W | 165 W |
| Turbo Boost | Yes (2) | Yes (2) |
| 64-bit support | Yes | Yes |
| Instruction set extensions | SSE4.1, SSE4.2, AVX2, AVX-512 | SSE4.1, SSE4.2, AVX2, AVX-512 |
| QPI links | 0 | 0 |
| Memory | ||
| Max memory size | 128 GB | 128 GB |
| Memory types | DDR4 | DDR4 |
| Memory channels | 4 | 4 |
| Max memory bandwidth | 85 GB/s | 85 GB/s |
| ECC memory supported | No | No |
| I/O and interfaces | ||
| PCI Express revision | 3 | 3 |
| PCI Express lanes | 44 | 44 |
| Scalability | 1S Only | 1S Only |
| Package and thermal | ||
| Sockets supported | FCLGA2066 | FCLGA2066 |
| Max CPU configuration | 1 | 1 |
| TJUNCTION | 92 °C | 92 °C |
| Thermal solution specification | PCG 2017X | PCG 2017X |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | Yes |
| Virtualization for Directed I/O (VT-d) | Yes | Yes |
| AES-NI | Yes | Yes |
| Execute Disable Bit | Yes | Yes |
| Technologies | ||
| Enhanced SpeedStep | Yes | Yes |
| Turbo Boost Max 3.0 | Yes | Yes |
| Optane Memory Supported | Yes | Yes |
| AVX-512 FMA units | 2 | 2 |