I have to admit that I became fixated on the fragmentation issue about Android phones in general and decided to get a Nexus 6P, 128GB. This is why I prefer the G4.
Since I use Nova Launcher, there is no difference in the day-to-day operation between Android 6 + Android 5.1
The speed between the two were the same even though the G4 only has the 808 processor.
To my eye the cameras were equal to each other.
Otherwise:
Nexus 6P:
PROS:
* Fingerprint scanner
CONS:
* No way to close all recent apps at one time
* No way to take a picture with a voice command
* No built-in way to show battery percentage in the notification bar
* No native voice recorder
LG G4
PROS:
* I like the shape of the LG g4 better than the shape of 6p
* I like the buttons on the back of the 6p much better than the side buttons once you get used to that it's hard to go back
* Better value. I bought it when it first came out and got the spare battery and spare battery charger free. Even adding a 128GB micro usb card to give me a total of 160GB, the G4 was still a better value.
* Slightly better battery life
CONS:
* This bug has been in the LG G4 since the beginning. When you have a pattern, PIN or password set under Device > Lock Screen and set to not lock for 30 minutes, when you open the phone up within that time, you still have to swipe to open the phone. This is the only Android phone that makes you swipe to unlock under this circumstance.
Since I use Nova Launcher, there is no difference in the day-to-day operation between Android 6 + Android 5.1
The speed between the two were the same even though the G4 only has the 808 processor.
To my eye the cameras were equal to each other.
Otherwise:
Nexus 6P:
PROS:
* Fingerprint scanner
CONS:
* No way to close all recent apps at one time
* No way to take a picture with a voice command
* No built-in way to show battery percentage in the notification bar
* No native voice recorder
LG G4
PROS:
* I like the shape of the LG g4 better than the shape of 6p
* I like the buttons on the back of the 6p much better than the side buttons once you get used to that it's hard to go back
* Better value. I bought it when it first came out and got the spare battery and spare battery charger free. Even adding a 128GB micro usb card to give me a total of 160GB, the G4 was still a better value.
* Slightly better battery life
CONS:
* This bug has been in the LG G4 since the beginning. When you have a pattern, PIN or password set under Device > Lock Screen and set to not lock for 30 minutes, when you open the phone up within that time, you still have to swipe to open the phone. This is the only Android phone that makes you swipe to unlock under this circumstance.