HP says the new sensors are a first for any gaming laptop for more accurate skin temperature readings, steadier fan noise, and improved performance overall.

As rumored back in April, HP has officially announced its redesigned 15.6-inch Omen 15 lineup complete with Intel Comet Lake-H and AMD Renoir-H processor options. The chassis will be brand new from the ground up to better compete against other thin-and-light gaming laptops especially since last year’s design was way too large.
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https://www.notebookcheck.net/2020-HP-Omen-15-is-the-biggest-refresh-yet-promises-IR-thermopile-sensors-and-both-10th-gen-Intel-and-7-nm-AMD-Renoir-options.467193.0.html