Nonetheless, the home button/fingerprint sensor, and camera lens, have sapphire crystal from the previous versions. The back and sides are made out of aluminum. All of the corners and edges are rounded, which make the glass and metal have a "seamless" feel to them. .
How does the iPhone feel in your hand without a case? Since it has a "seamless" feel, it is quite slippery. "Since it's so smooth, it's actually a bit slippery to hold" (Professional YouTube channel, MKBHD. Samsung, on the other hand, designed their devices with plastic and glass. The Samsung Galaxy S series offers the plastic sides and a Corning Gorilla Glass screen. However, the Samsung Note 3 has a "leather-like" plastic back. A big change happened with the Samsung Galaxy Note 4. It features metal edges and a redesigned leather-like back. A couple of months after the Samsung Galaxy S5 came out, Samsung released a new series, the Alpha. The Alpha was a more "premium" device than the S5 because it was made out of metal instead of plastic. It had almost the same specifications as the S5. All of Samsung's phones were, and still are made with a removable back which will be covered later. .
How do they feel in the hand without a case? The Samsung Galaxy S5 and Note 4 have a plastic back. The S5 has a rubber-like feel to it so it is not slippery. The Note 4 still has the same leather like feel to it as its predecessor had which isn't slippery either. The metal edges on the Note 4 give it a premium feel because it doesn't feel like cheap plastic.
Samsung and Apple's phones have many similar hardware features. Both company's devices have a power button, home button (which doubles as a fingerprint sensor in the iPhone 5s, 6, 6 Plus, Samsung Galaxy S5 and Note 4), volume keys/rocker, 3.5mm headphone jack, two cameras, speaker, phone speaker, proximity sensor, and NFC (iPhone 6 and 6 Plus, Samsung Galaxy S3 - current).