Absolutely disgraceful performance laptop. Only 800 in CBR15 for sustained (it good for 2018 year). It level very bad for 1255U.
The author gave incorrect information on ports. According to HP's current specifications on their website, they claim HDMI 2.1b ports (this standard doesn't exist in nature, especially in the form of chips) and Display Port 2.1 (it also doesn't exist in hardware implementation).
It seems to me that HP, realizing how shameful they made the series in practice, is simply trying to deceive illiterate ordinary people and try to sell them this series using ordinary fraud, giving deliberately false information on ports ...