Intel Core i5-8257U vs Intel Core i7-1255UL

The Intel Core i5-8257U operates with 4 cores and 8 CPU threads. It run at 3.90 GHz base 3.20 GHz all cores while the TDP is set at 15 W.The processor is attached to the BGA 1528 CPU socket. This version includes 6.00 MB of L3 cache on one chip, supports 2 memory channels to support DDR4-2400 SO-DIMMLPDDR3-2133 RAM and features 3.0 PCIe Gen 16 lanes. Tjunction keeps below -- degrees C. In particular, Coffee Lake U Architecture is enhanced with 14 nm technology and supports VT-x, VT-x EPT, VT-d. The product was launched on Q3/2019

The Intel Core i7-1255UL operates with 10 cores and 8 CPU threads. It run at 2.60 GHz (4.70 GHz) base 1.20 GHz (3.50 GHz) all cores while the TDP is set at 15 W.The processor is attached to the BGA 1744 CPU socket. This version includes 12.00 MB of L3 cache on one chip, supports 2 memory channels to support DDR4-3200DDR5-4800 RAM and features PCIe Gen lanes. Tjunction keeps below 100 °C degrees C. In particular, Alder Lake U Architecture is enhanced with 10 nm technology and supports VT-x, VT-x EPT, VT-d. The product was launched on Q3/2022