When comparing OnePlus vs Samsung, the Slant community recommends Samsung for most people. In the question“What are the best Android phone manufacturers?” Samsung is ranked 4th while OnePlus is ranked 8th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Light Android
OnePlus' Android skin remains close to stock android.
Pro Very fast
Pro Great design
Pro Still up to date
Pro High quality
Pro Spare parts available
Spare parts can be ordered by anyone on samsungparts.
Cons
Con No compact line
They only build huge devices that are unpractical for one-hand use.
Con Camera
A focus for OnePlus in future iterations.
Con Lag can occur
It has a few lags, but nothing major.
Con Data collection & tracking
You can see on your routers that a lot of data is going back to the company.
Con Not vanilla Android
They use their own fork - Oxygenos.
For the record: All android manufacturers use their own version of Android.
Con Too much bloat
Basically everything custom Samsung and preinstalled via their own app store...
Con No Bootloader unlock
On many Samsung Snapdragon devices you can't unlock the bootloader, so you will own an expensive device that will become out of date very fast. And without an unlocked bootloader you won't be able to use any after market rom.