Compare Mobile Phones Side-by-Side

This is a fairly simple comparison because the two phones are built around the same basic idea: a large 120Hz screen, 8GB of RAM, a Qualcomm processor, and a battery-first approach. The Oppo A6s 4G already looks strong for anyone who wants smooth scrolling and long endurance without chasing flagship extras.

The vivo Y600 Turbo, though, has the more obvious advantage where it matters most in this matchup: battery capacity. Its 9020mAh cell is substantially larger than the Oppo’s already-big 7000mAh battery, and that alone makes it the more attractive pick for heavy users, travelers, or anyone who hates charging often. The display is also slightly larger, though the difference is minor.

Unless the Oppo is meaningfully cheaper, the vivo Y600 Turbo is the easier recommendation here. The Oppo A6s 4G is still a solid big-battery phone, but vivo gives you more of the thing this category is really about: staying powered for longer.