Intel · 2019
Intel Core i5-8257U CPU
The Intel Core i5-8257U is a 2019 mobile processor with 4 cores and 8 threads, based on the Coffee Lake microarchitecture.
The Intel Core i5-8257U is a mobile processor released in 2019, built on the Coffee Lake microarchitecture and manufactured on a 14 nm process. It features 4 cores and 8 threads, with a base clock of 1.40 GHz and a boost clock of 3.90 GHz. The processor includes 6 MB of L3 cache and has a TDP of 15 W, making it suitable for thin and light laptops. It supports DDR4-2400 and LPDDR3-2133 memory across two channels, but does not support ECC memory. Integrated graphics are provided by Intel Iris Plus Graphics 645. The CPU offers 16 PCIe 3.0 lanes and is socketed in FCBGA1528. It supports instruction sets including SSE4.1, SSE4.2, and AVX2. The multiplier is locked, preventing overclocking. The processor was discontinued at the end of 2020.
Benchmarks
| Blender Open Data score | 57.43 samples/min |
|---|---|
| Nero Score AI | 715 images/min |
| Nero Score AVC encode | 945 fps |
Specifications
| Microarchitecture | Coffee Lake |
|---|---|
| Cores | 4 |
| Threads | 8 |
| Base clock | 1.40 GHz |
| Boost clock | 3.90 GHz |
| L3 cache | 6 MB |
| Process node | 14 nm |
| TDP / base power | 15 W |
| Socket | FCBGA1528 |
| Memory support | DDR4-2400, LPDDR3-2133 |
| Memory channels | 2 |
| ECC memory support | No |
| Integrated graphics | Intel® Iris® Plus Graphics 645 |
| PCIe lanes (CPU) | 16 |
| PCIe version | 3.0 |
| Instruction sets | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| Unlocked multiplier | No |
| Release date | 2019-07-01 |
| Release year | 2019 |
| Discontinued | 2020-12-31 |