. OPPO F3 PLUS .
DISPLAY- oppo used 6 inch display in it.it is 1080×1920 pixel.
HARDWEAR AND SOFTWEAR- opo used Qualcomm snapdragon 625 processor, that is click 1.9 ghz.along with 4gb of ram.64 gb of internal storage.you can expand it via micrisd card y
Upto 256 gb.the phones runs on androin 6.0.
CAMERA- Oppo used 16 mp rear camera with 16mp for selfi.
BATTERY- There is 4000 mah battery that oppo used in f3 plus.
.MOTO G5 PLUS.
DISPLAY- the moto used a 5.2 inch display on g5.that is full hd 1080×1920 pixel.
HARDWEAR AND SOFTWEAR- This phine also run on snapdragon 625 processor. And its click 2.0 ghz.with 4 gb of ram and 32 gb of internal storage.you can expand the storage via microsd card upto 128 gb. The phone runs on android 7.0.
CAMERA- Moto used a 12 mp camera for g5 along with a 5mp selfi camera.
BATTERY- the phone carred himself a 3000 mah battery.
Now why buy oppo f3 just for music and selfi. The same specification form moto is less costly.the same processor.big display is a probelem for most of the people.if you think bigger battery in oppo then think aboud the display size.the same ram in moto that oppo used, moto is big chipper than oppo.personaly I prefer moto, if you think about the camera, the camera of moto is more than enough, still you can record the 4k video on g5.before you buy think about the value for money.