Envy 17-U275cl and Nitro AN515-51 share specifications such as Display Resolution (1920 x 1080), Form Factor (Clamshell), Operating System (Windows 10), Operating System Architecture (64-bit).
The main differences: Processor Model (Envy 17-U275cl: Intel Core i7-8550U, Nitro AN515-51: Intel Core i5 7300HQ 2.5GHz); GPU Model (Envy 17-U275cl: NVIDIA GeForce MX150, Nitro AN515-51: Nvidia GeForce GTX 1050); Installed Memory (Envy 17-U275cl: 16 GB, Nitro AN515-51: 8 GB); Storage Capacity (Envy 17-U275cl: 1000 GB, Nitro AN515-51: 256 GB).
Envy 17-U275cl may suit users who need its differing values, while Nitro AN515-51 benefits those who need its paired strengths. Review the specs table above before deciding.