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Senior Intel Engineer Explains the Radical Shift in CPU Design

When Intel launched Lunar Lake (Core Ultra 200V) in 2024 we gave you the technical details and followed up with a review of the Asus Zenbook S 14 which has incredible battery life. In the following month we discussed Intel Arrow Lake (Core Ultra 200S) and how we considered it was unfit for review in a situation that was not resolved until February 2025. On the one hand we have Lunar Lake which we like, while on the other hand we have Arrow Lake which is troubled, yet both families of processors run on Lion Cove P-cores and Skymont E-cores and have a huge amount in common. Another point which we mentioned in our reviews but didn't cover in much depth is that Lion Cove ditches SMT or Hyper-Threading which has been a feature since Pentium 4 in 2002. We are familiar with an eight-core CPU with 16 threads but we now have to get used to the idea of 8P+16E=24T. We figured the best way to understand this significant change was to ask, Ori Lempel, the leader of the team that designed Lion Cove. Stick in there, this a long one, but its worth a good look. 00:00 Intro and set-up 02:56 How far ahead do designers work when they design a CPU core? 08:28 Are decisions about power, clock speed, cache and cost handed to designers as parameters 12:17 Exactly who is the customer for a particular CPU core 14:03 Are the choices of memory controller, storage and PCI Express deeply exciting for a core designer? 15:26 Fubs (Functional Blocks) and large partitions - core designs move from 300 cells to six 20:33 AI as part of the CPU design process 23:59 The removal of SMT from Lion Cove 25:30 Ori does maths to explain when SMT becomes a problem 35:13 Thread Director is still hard at work 35:40 Windows 10, Windows 11 and Linux 36:52 Quantum Computing 38:58 How did Intel conjure up Raptor Cove from Golden Cove 41:48 Sign off Buy our merch from here: https://kitgurutech.myspreadshop.co.uk Discord invite link:   / discord   Steam Community https://steamcommunity.com/groups/kit... Be sure to support us on PATREON   / kitgurutech   and read our MANTRA on HONEST REVIEWS Here: http://bit.ly/2BopnF9 Visit our facebook page over here!   / kitguru.net   Visit our Twitter page over here! https://twitter.com/kitgurupress?lang=en #intel #coreultra #intelfab #cpu #processor