The end result is that the iPhone XS Max lasts for about an hour more screen-on time than the iPhone XS. The iPhone XR is a different matter. Its 6.1-inch display falls in between the 5.8 and 6.5 The XR is a little wider, thicker and taller than the XS, but it never feels unwieldy. In fact, since it in sits in a nice little sweet spot between the XS and the massive Max, the XR arguably The iPhone XS is exactly the same size as last year's iPhone X at 143.6mm tall and 70.9mm wide. The iPhone XR is next and is around 8mm taller and 5mm wider. The Max model is a whopping 20 per Released in 2018, iPhone XR and iPhone XS Max are both packed with Apple’s latest innovations, but represent quite different propositions. iPhone XS Max is Apple’s most premium phone, boasting a gorgeous 6.5-inch OLED screen, up to half a terabyte of storage, and constructed in beautiful yet durable glass. The iPhone XS shown with the larger XS Max. which just means you can take it to 2m rather than 1m. iPhone 8 vs iPhone XS: We’ve also compared the iPhone XR and iPhone XS Max. iPhone XS – It Has Slightly Better Battery Life Than iPhone XS, but not by much. Price. The iPhone XR will be available in late October 2018 and cost £749 (64GB), £799 (128GB), or £899 (256GB). The iPhone XS Max will be available on September 21, 2018 and cost £1099 (64GB), £1249 (256GB), or £1449 (512GB). EzXaIyC.