Intel Core i9-9900 vs Intel Core i9-9900K: comparison
Comparison of Intel Core i9-9900 and Intel Core i9-9900K: key differences and a full specification table.
Key differences
Intel Core i9-9900 has a lower TDP (65 W vs 95 W).
At the same time, Intel Core i9-9900K has a higher base clock (3.6 GHz vs 3.1 GHz).
Both processors match on: core count (8), thread count (16), maximum clock (5 GHz), L3 cache (16 MB), process node (14 nm), maximum memory size (128 GB), memory channels (2), PCIe version (3), maximum integrated graphics clock (1.2 GHz).
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 i9-9900 | Intel Core i9-9900K |
|---|---|---|
| Cores / threads | 8 / 16 | 8 / 16 |
| Max boost clock | 5 GHz | 5 GHz |
| L3 cache | 16 MB | 16 MB |
| TDP | 65 W | 95 W |
| Process | 14 nm | 14 nm |
| Integrated graphics | UHD-графика Intel 630 | UHD-графика Intel 630 |
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 i9-9900 | Intel Core i9-9900K |
|---|---|---|
| General | ||
| Model | i9-9900 | i9-9900K |
| Codename | Coffee Lake | Coffee Lake |
| Segment | Desktop | Desktop |
| Product line | Процессоры Intel Core i9 9-го поколения | Процессоры Intel Core i9 9-го поколения |
| Process | 14 nm | 14 nm |
| Launch date | Q2 2019 | Q4 2018 |
| Status | Discontinued | Discontinued |
| Embedded options available | No | No |
| Use conditions | PC/Client/Tablet | PC/Client/Tablet |
| Box contents | — | Please note: The boxed product does not include a fan or heat sink |
| CPU | ||
| Cores | 8 | 8 |
| Threads | 16 | 16 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 3.1 GHz | 3.6 GHz |
| Max boost clock | 5 GHz | 5 GHz |
| Turbo Boost 2.0 frequency | — | 5 GHz |
| L3 cache | 16 MB | 16 MB |
| Bus speed | 8 GT/s | 8 GT/s |
| TDP | 65 W | 95 W |
| 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 | SSE4.1, SSE4.2, AVX2 |
| Memory | ||
| Max memory size | 128 GB | 128 GB |
| Memory types | DDR4 | DDR4 |
| Memory channels | 2 | 2 |
| Max memory bandwidth | 41.6 GB/s | 41.6 GB/s |
| ECC memory supported | No | No |
| Graphics | ||
| Integrated graphics | UHD-графика Intel 630 | UHD-графика Intel 630 |
| Has integrated graphics | Yes | Yes |
| Graphics base frequency | 350 MHz | 350 MHz |
| Graphics max frequency | 1.2 GHz | 1.2 GHz |
| Graphics video max memory | 64 GB | 64 GB |
| Max displays | 3 | 3 |
| Max resolution (DP) | 4096x2304@60Hz | 4096x2304@60Hz |
| Max resolution (HDMI) | 4096x2304@24Hz | 4096x2304@24Hz |
| Max resolution (eDP) | 4096x2304@60Hz | 4096x2304@60Hz |
| DirectX | 12 | 12 |
| OpenGL | 4.5 | 4.5 |
| Graphics device ID | 0x3E98 | 0x3E98 |
| Quick Sync Video | Yes | Yes |
| Clear Video HD | Yes | Yes |
| Clear Video | Yes | Yes |
| InTru 3D | Yes | Yes |
| 4K support | Yes, at 60Hz | Yes, at 60Hz |
| I/O and interfaces | ||
| PCI Express revision | 3 | 3 |
| PCI Express lanes | 16 | 16 |
| PCI Express configurations | Up to 1x16, 2x8, 1x8+2x4 | Up to 1x16, 2x8, 1x8+2x4 |
| Scalability | 1S Only | 1S Only |
| Package and thermal | ||
| Sockets supported | FCLGA1151 | FCLGA1151 |
| Max CPU configuration | 1 | 1 |
| Package size | 37.5mm x 37.5mm | 37.5mm x 37.5mm |
| TJUNCTION | 100 °C | 100 °C |
| Thermal solution specification | PCG 2015C (65W) | PCG 2015D |
| 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 | Yes | Yes |
| Secure Key | Yes | Yes |
| Intel OS Guard | Yes | Yes |
| Intel Boot Guard | Yes | Yes |
| Intel Software Guard Extensions | Yes | Yes |
| Intel Memory Protection Extensions | Yes | Yes |
| Stable IT Platform Program | Yes | Yes |
| vPro Eligibility | Intel vPro Platform | Intel vPro Platform |
| Technologies | ||
| Enhanced SpeedStep | Yes | Yes |
| Idle States | Yes | Yes |
| Thermal Monitoring Technologies | Yes | Yes |
| Identity Protection Technology | Yes | Yes |
| Transactional Synchronization Extensions | Yes | Yes |
| Thermal Velocity Boost | Yes | — |
| Optane Memory Supported | Yes | Yes |