IdeaPad Y900-17ISK and Gram 14Z970 share specifications such as Display Resolution (1920 x 1080), Form Factor (Clamshell), Operating System Architecture (64-bit), Processor Manufacturer (Intel).
The main differences: Processor Model (IdeaPad Y900-17ISK: Intel Core i7 6700HQ 2.6GHz, Gram 14Z970: Intel Core i7 7500U 2.7GHz); GPU Model (IdeaPad Y900-17ISK: Nvidia GeForce GTX 980M, Gram 14Z970: Intel HD Graphics 620); Installed Memory (IdeaPad Y900-17ISK: 16 GB, Gram 14Z970: 8 GB); Storage Capacity (IdeaPad Y900-17ISK: 128 GB, Gram 14Z970: 512 GB).
IdeaPad Y900-17ISK may suit users who need its differing values, while Gram 14Z970 benefits those who need its paired strengths. Review the specs table above before deciding.