This latest Android 7.0 Nougat from Google will certainly offer more performance and optimisation over 6.0. While some smartphones are still awaiting Android 6.0 update, others are reported to push the latest Android N Google OS releases to their smartphones.

Following the past trend of marshmallow updates, we expect latest Google’s nexus smartphones and tablets to pack Android Nougat feature, followed by non-nexus flagships, especially offers that are less than two years. But Android Nougat didn't follow this trend of past.

SMARTPHONES THAT WILL RECEIVE ANDROID 7.0 NOUGAT UPDATE
1. Sony
2. LG
3. Infinix; that should be Infinix Hot S X52
4. Motorola
5. Samsung and
6. HTC.

You should see the amazing features of Android 7.0 Nougat here: http://www.techpaded.com/features-of-android-7-0-nougat-and-phone.xhtml