Hello Friend,
There are many ultimate laptops are available in the market in this range, Some of them are:
Dell Inspiron Flagship Laptop
Lenovo Flex 4 2-in-1 Laptop
ASUS ZenBook Flip UX360CA-DBM2T.
Acer Aspire E 15 E5-575G-57D4.
ASUS VivoBook E403SA-US21.
And for more details, you can also visit: https://theconsumerbasket.com/, It gives you complete guidance for the laptops.