This is nice, but the Kaby Lake-G version is better.

The 2-in-1 HP Spectre x360 15 gets a welcome 8th-generation performance bump, a 4K display, a roomy keyboard and impressive battery life, all in a sturdy if somewhat hefty and pricey package. That said, we can’t help but cast an envious eye toward the Kaby Lake-G version of the Spectre, which beats this Kaby Lake-R model in just about every department, all for just $120 more.
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https://www.pcworld.com/article/3273705/hp-spectre-x360-15-kaby-lake-r-review.html