In search of a Vivo Y91 vs. Vivo Y1S mobile phone comparison? You are at the correct location. Here’s a look at the differences between the Vivo Y91 and Y1S in terms of screen size, processing power, camera quality, usability, storage capacity, network connection, and physical dimensions.

The Vivo Y91 has a 6.22-inch IPS LCD screen with a pixel density of 270 PPI. A 4,030 mAh Li-ion battery provides power and should last a whole day, according to the manufacturer. Selfies taken with the 8MP front-facing camera are professional quality, and video calls are clear and smooth. The Vivo Y91 is powered by a 2.2GHz octa-core Cortex A53 CPU.

By contrast, the Vivo Y1S’s 6.22-inch IPS LCD screen is paired with a resolution of 720 by 1520 pixels. The primary camera on this smartphone has a resolution of 13 megapixels. The front-facing 5MP f/1.8 main lens is ideal for taking selfies and making video calls. Long battery life is provided by the 4030mAh Li-ion battery included in this smartphone.

We think the Vivo Y1S is a better option than the Vivo Y91, so go with that one instead.

Vivo Y91 vs Vivo Y1S Comparison Table

Key Specs
Display6.22-inch6.22-inch
Front Camera5-megapixel8-megapixel
Rear Camera13-megapixel13-megapixel + 2-megapixel
RAM2GB2GB
Storage32GB32MB
Battery Capacity4030mAh4030mAh
OSAndroid 10Android 8.1
Resolution720×1520 pixels720×1520 pixels
ProcessorMediaTek Helio P22
General
BrandVivoVivo
ModelY1sY91
Release dateNovember 26, 2020January 1, 2019
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)155.11 x 75.09 x 8.28155.11 x 75.09 x 8.28
Weight (g)161.00163.50
Battery capacity (mAh)40304030
Removable batteryNo
ColoursAurora Blue, Olive BlackStarry Black, Ocean Blue
Display
Screen size (inches)6.226.22
TouchscreenYesYes
Resolution720×1520 pixels720×1520 pixels
Hardware
Processor makeMediaTek Helio P35 (MT6765)MediaTek Helio P22 (MT6762R)
RAM2GB2GB
Internal storage32GB32MB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
Processorocta-core
Dedicated microSD slotYes
Camera
Rear camera13-megapixel (f/2.2)13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)
Rear autofocusYes
Rear flashYesLED
Front camera5-megapixel (f/1.8)8-megapixel (f/f/1.8)
Pop-Up CameraNo
Front flashNo
Software
Operating systemAndroid 10Android 8.1
SkinFuntouch OS 10.5Funtouch OS 4.5
Connectivity
Wi-FiYesYes
GPSYes
BluetoothYes, v 5.00Yes, v 5.00
USB OTGYes
Micro-USBYesYes
Number of SIMs22
NFCNo
Headphones3.5mm
Active 4G on both SIM cardsYes
Sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
Sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
Sensors
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Face unlockYes
Fingerprint sensorYes
Compass/ MagnetometerYes
GyroscopeYes