Our Opinion

The Vivo Y91i (2GB RAM, 16GB) is a significantly better phone than the XOLO Era 4X (2GB RAM), and is also significantly better value for money. What should you buy? Go for the Vivo Y91i (2GB RAM, 16GB)!

Vivo Y91i (2GB RAM, 16GB)  XOLO Era 4X (2GB RAM) 
Vivo Y91i XOLO Era 4X
Buy Now Buy  not available currently
Excellence Score
Value for Money Score
Price ₹ 8,149 onwards ₹ 5,555 onwards
Launch Date (India) Mar, 2019 Jan, 2019
Expected Launch Date N/A N/A
Smartphone OS Android 8.1 OreoLow likelihood of getting updated to next Android version Android 8.0 OreoLow likelihood of getting updated to next Android versionAndroid Go Edition
Touchscreen Yes (Capacitive) Yes (Capacitive)
Screen Size 6.22 inches 5.45 inches
Screen Resolution 720x1520 pixels (~ 270 pixels per inch) 720x1440 pixels (~ 295 pixels per inch)
Tall Aspect Ratio / Minimal Bezels Yes Yes
Scratch Resistant Display Yes Yes, Corning Gorilla Glass
Display Type IPS LCD IPS LCD
Screen Refresh Rate 60 HzStandard 60 HzStandard
Display Features IPS LCD, Halo FullView Display 2.5D Curved Glass, FullView Display
Full Physical QWERTY Keypad
Processor 2 GHz 1.5 GHz
Processor Type Octa Core Quad Core
Processor Name MediaTek Helio P22Ranked #80 in Mobile Processor Benchmarks MediaTek
GPU PowerVR GE8320 N/A
3G Yes Yes
4G Yes Yes
VoLTE Yes Yes
WiFi Yes Yes
VoWiFi/WiFi-Calling Yes
GPS Yes Yes
Bluetooth Yes Yes
Connecting Port microUSB microUSB
Primary Camera 13MP 8MP
Camera Auto-Focus Yes Yes
Camera Flash Yes Yes
HD Video Recording Yes (Full HD) Yes (HD)
Other Camera Features F/2.2 Aperture, PDAF, Panorama N/A
Secondary Camera 8MP 5MP
Secondary Camera Features F/1.8 Aperture, AI Face Beauty LED Flash
Internal Memory 16 GB 16 GB
Expandable Memory Slot Yes, up to 256 GB Yes, up to 64 GB
Contacts Storage Unlimited Unlimited
SMS Storage Unlimited Unlimited
Music Player Yes Yes
FM Radio Yes Yes
Thickness 8.28 mmMedium 9 mmThick
Weight 163 gmMedium 141 gmLight
Width 75.1 mmOk for one-handed use N/A
Audio Output 3.5mm jack 3.5mm jack
Water Resistant
Battery Capacity 4030 mAh 3000 mAh
Battery Standby N/A N/A
Battery Standby (3G) N/A N/A
Battery Talktime N/A N/A
Battery Talktime (3G) N/A N/A
Fast Charging Support
Included Fast Charger
Other Battery Parameters N/A N/A
Fingerprint sensor
Other Features Noise Filtration N/A
2-minute Review [Positives] N/A N/A
2-minute Review [Negatives] N/A N/A
Expert Reviews N/A
  1. fonearena.com hands-on Read Review »
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Official Website Official Website » Official Website »
Unofficial specs? N/A N/A
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