The design is solid, although quite similar to the iPhone’s outer looks. The F1s sports a minimalistic design a large Home button below the screen, the back side featuring just camera lens and the company logo. Xiaomi Redmi 3 Note measures 150 x 76 x 8.7 mm, with dimensions being quite similar to the other two devices. Samsung Galaxy J7 Prime measures 151.7 x 75 x 8 mm a bit thicker than the F1s, but also visibly smaller and a bit narrower. The phone is quite thin and also visibly taller than the other two devices. Oppo F1s is the largest of the bunch, measuring 154.5 x 76 x 7.4 mm. Since all three models sport 5.5-inch screens, it’s expected for them to have very similar dimensions. Let’s see which one is the best buying choice and what are the biggest differences between the three. We gathered 3 5.5-inch devices for today’s specs clash Oppo F1s, Xiaomi Redmi Note 3, and Samsung Galaxy J7 Prime are all solid devices, offering lots of RAM, very good cameras and one of them also has a very sharp selfie snapper.