Intel · 2018
Intel Core i7-8559U CPU
The Intel Core i7-8559U is a 2018 mobile processor with four cores, eight threads, and integrated Iris Plus Graphics 655.
The Intel Core i7-8559U is a mobile processor released in April 2018, based on the Kaby Lake microarchitecture. It features 4 cores and 8 threads, with a base clock of 2.70 GHz and a boost clock of 4.50 GHz. The CPU includes 8 MB of L3 cache and is manufactured on a 14 nm process. It has a TDP of 28 W and uses the FCBGA1528 socket. Memory support includes DDR4-2400 and LPDDR3-2133 across two channels, without ECC support. The integrated graphics are Intel Iris Plus Graphics 655. The processor provides 16 PCIe 3.0 lanes and supports instruction sets SSE4.1, SSE4.2, and AVX2. The multiplier is locked. The CPU was discontinued on June 30, 2025.
Benchmarks
| Blender Open Data score | 64.61 samples/min |
|---|---|
| Nero Score AI | 927 images/min |
| Nero Score AVC encode | 1,491 fps |
Specifications
| Microarchitecture | Kaby Lake |
|---|---|
| Cores | 4 |
| Threads | 8 |
| Base clock | 2.70 GHz |
| Boost clock | 4.50 GHz |
| L3 cache | 8 MB |
| Process node | 14 nm |
| TDP / base power | 28 W |
| Socket | FCBGA1528 |
| Memory support | DDR4-2400, LPDDR3-2133 |
| Memory channels | 2 |
| ECC memory support | No |
| Integrated graphics | Intel® Iris® Plus Graphics 655 |
| PCIe lanes (CPU) | 16 |
| PCIe version | 3.0 |
| Instruction sets | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| Unlocked multiplier | No |
| Release date | 2018-04-01 |
| Release year | 2018 |
| Discontinued | 2025-06-30 |