The currys one is essentially a chromebook/ online based laptop and doesnt have much hard drive space- its got 64gb which is tiny, less than most phones these days. The harveynorman one is better but the bare minimum specs for the Sims 4 plus the ea website warns that the expansion packs may need higher specs than the base game- you would need to research the packs individually, and also see if the on-board graphics is good enough for the game.
Ive attached the recommended settings in a screenshot for you to compare laptop specs to