The iPhone X’s bill of materials (BOM) cost is about $370, signifying a healthy margin for Apple on its most expensive handset ever, which retails in the US for $999. According to a teardown by IHS Markit, the 64GB model has a BOM bill of $370.25, about $50 more than the previous most expensive version, the iPhone 8 Plus 256GB; and almost $68 more than the Samsung Galaxy S8 with 64GB (which costs $302 and retails at around $720). Andrew Rassweiler, senior director of cost benchmarking services at IHS Markit, said Apple has set a new “aspirational” price point for the smartphone sector. But some of its differentiating technologies come at surprisingly low cost. Its TrueDepth sensing feature uses a…