Want to compare Vivo Y91 vs Oppo A5S mobile? You have come to the right place. Here you can find Vivo Y91 vs Oppo A5S comparison based on display size, processor speed, camera resolution, user experience, memory size, connectivity strength, and overall dimension.

Related: Check out latest Vivo Y91 price on Priceo.

On one hand, Vivo Y91 bears a 6.22-inch IPS LCD display, which carries a pixel density of 270 PPI. Acting as the stamina provider, there is a 4,030 mAh Li-ion battery, which claims to deliver a backup for a day. An 8MP front lens also can click excellent selfies and also gives a good video calling experience. The Vivo Y91 has a Cortex A53 octa-core processor, which clocks at a speed of 2GHz.

On the other hand, Oppo A5S has a 6.2-inch IPS LCD display, which has a waterdrop notch. The device has a 4,230mAh battery, which can provide a backup for a whole day long. The OPPO A5s houses a 32GB inbuilt storage, which is enough to fulfil the user`s storage needs. The mobile is seated on a MediaTek Helio P35 chipset and is further aided by a 2GB RAM. 

Our recommendation: We recommend you to buy Oppo A5S over Vivo Y91.

Vivo Y91 vs Oppo A5S Comparison Table

Key Specs
Display6.20-inch6.22-inch
ProcessorMediaTek Helio P35MediaTek Helio P22
Front Camera8-megapixel8-megapixel
Rear Camera13-megapixel + 2-megapixel13-megapixel + 2-megapixel
RAM2GB2GB
Storage32GB32MB
Battery Capacity4230mAh4030mAh
OSAndroid 8.1 OreoAndroid 8.1
Resolution1520×720 pixels720×1520 pixels
Ratings
Overall Rating
Design Rating 
Display Rating 
Software Rating 
Performance Rating 
Battery Life Rating 
Camera Rating 
Value for Money Rating 
General
BrandOppoVivo
ModelA5sY91
Release dateApril 1, 2019January 1, 2019
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)155.90 x 75.40 x 8.20155.11 x 75.09 x 8.28
Weight (g)170.00163.50
Battery capacity (mAh)42304030
ColoursGold, Green, Red, BlackStarry Black, Ocean Blue
Display
Screen size (inches)6.206.22
TouchscreenYesYes
Resolution1520×720 pixels720×1520 pixels
Aspect ratio19:9
Hardware
Processorocta-coreocta-core
Processor makeMediaTek Helio P35 (MT6765)MediaTek Helio P22 (MT6762R)
RAM2GB2GB
Internal storage32GB32MB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
Dedicated microSD slotYes
Camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)
Rear autofocusYes
Rear flashYesLED
Front camera8-megapixel (f/2.0)8-megapixel (f/f/1.8)
Front flashNo
Software
Operating systemAndroid 8.1 OreoAndroid 8.1
SkinColorOS 5.2.1Funtouch OS 4.5
Connectivity
Wi-FiYesYes
GPSYes
BluetoothYes, v 4.20Yes, v 5.00
USB OTGYes
Micro-USBYesYes
Number of SIMs22
Active 4G on both SIM cardsYesYes
NFCNo
Headphones3.5mm
Sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
Sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
Sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Face unlockYes
GyroscopeYes