Samsung Gear S3 vs. Apple Watch 2 vs. Asus ZenWatch 3 vs. Huawei Watch: Which Smartwatch Should You Buy? The Apple Watch Series 2, Samsung Gear S3 and Asus ZenWatch 3 are new smartwatches that consumers are looking forward to. Here's a comparison to see how the wearables fare against each other, along with old warhorse Huawei Watch. by Anu Passary