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They are using a successor of the N100/N305 cores, which is said to be significantly improved. It is likely that the cores of Sierra Forest have a microarchite
by adrian_b 3y ago
They are using a successor of the N100/N305 cores, which is said to be significantly improved.
It is likely that the cores of Sierra Forest have a microarchitecture very similar to the small cores of Meteor Lake (the big cores of Meteor Lake are almost identical to the big cores of Raptor Lake/Alder Lake, but its small cores are improved).
Compared to the small cores of Meteor Lake, the cores of Sierra Forest will support some additional instructions. Most of them are some instructions previously available only in the server CPUs that support AVX-512, but in Sierra Forest (and also in the next desktop/laptop CPUs, i.e. Arrow Lake/Lunar Lake) they are re-encoded in the AVX instruction format (i.e. using a VEX prefix).