Intel · 2022
Intel Core i7-1255U
The Intel Core i7-1255U is a 10-core Alder Lake mobile processor released in 2022, featuring 2 performance cores and 8 efficiency cores.
The Intel Core i7-1255U is a mobile processor based on the Alder Lake microarchitecture, released in 2022. It has 10 cores (2 P-cores and 8 E-cores) and 12 threads, with a boost clock of up to 4.70 GHz. The processor includes 12 MB of L3 cache and is built on a 7 nm process node. With a base power of 15 W and a maximum turbo power of 55 W, it is designed for thin and light laptops. It supports up to DDR5 4800 MT/s, DDR4 3200 MT/s, LPDDR5 5200 MT/s, and LPDDR4x 4267 MT/s memory across two channels. The integrated graphics are Intel Iris Xe Graphics eligible. The processor has 20 PCIe Gen 4 lanes and uses the FCBGA1744 socket. It supports instruction sets including SSE4.1, SSE4.2, and AVX2, but does not support ECC memory or an unlocked multiplier.
Benchmarks
| Blender Open Data score | 75.98 samples/min |
|---|---|
| Nero Score AI | 1,496 images/min |
| Nero Score AVC encode | 2,013 fps |
Specifications
| Microarchitecture | Alder Lake |
|---|---|
| Cores | 10 |
| P-cores | 2 |
| E-cores | 8 |
| Threads | 12 |
| Boost clock | 4.70 GHz |
| L3 cache | 12 MB |
| Process node | 7 nm |
| TDP / base power | 15 W |
| Max turbo power | 55 W |
| Socket | FCBGA1744 |
| Memory support | Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s Up to LPDDR5 5200 MT/s Up to LPDDR4x 4267 MT/s |
| Memory channels | 2 |
| ECC memory support | No |
| Integrated graphics | Intel® Iris® Xe Graphics eligible |
| PCIe lanes (CPU) | 20 |
| PCIe version | Gen 4 |
| Instruction sets | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| Unlocked multiplier | No |
| Release date | 2022-01-01 |
| Release year | 2022 |