Intel Arc B390 beats AMD’s mainstream iGPUs and nears RTX 4050-level performance in some tests
Only the top most cpu sku has the full igpu?
Keeping to the trend, Only H series processors are getting ARC graphics. Great chip, nevertheless.
The processors that start with an “X”, Like Core Ultra X9, will get the powerful igpu, which is technically good, laptops with dgpus can opt for processors without the powerful igpu bringing cost down..
Not exactly, atleast on the core ultra series, from what I could understand, H means “Higher Cores”, All “H“ processors come with 16 cores, instead of 8.
The gpu is denoted by the “X“ present before the number.. If it has an “X“, it comes with the powerful arc gpu, if its missing, it comes with regular 4 core intel graphics, with 8 additional pcie gen 5 lanes for a dgpu..
Eg.
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Core Ultra X7 368H has both “X“ & “H“, meaning it has both high cores (16 core cpu) and arc (12 core) gpu, but lower pcie lanes (12)
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Core Ultra 7 366H has “H“ in its name, meaning it has high cores (16 core cpu), but is missing an “X“ meaning it has regular intel 4 core gpu, but higher pcie lanes (20) (8 additional for a dgpu)
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Core Ultra 7 365 has both “X“ & “H“ missing, meaning it has lower cpu cores (8 core cpu) and the regular intel 4 core gpu, but no additional lanes for a dgpu, probably meant for machines that don’t require a powerful gpu..
Cheers!
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So does this have both ?
Intel® Core™ Ultra 9 275HX Processor (E-cores up to 4.60 GHz P-cores up to 5.40 GHz
Nvm, checked the table, this does not not have the arc igpu
I was talking about the x before the “9”, also the processor u mentioned is from the prev generation.. And as we all know, Both intel and amd keep changing their name schemes.. So my analysis can’t be applied their ig 
Here is the link for the above specified SKUs: