Home/Allview/Allview X4 Soul Infinity Z vs vivo Y91i (India)
Allview X4 Soul Infinity Z

Allview X4 Soul Infinity Z

#4972
vivo Y91i (India)

vivo Y91i (India)

#4421

Category Breakdown

Allview X4 Soul Infinity Z
vivo Y91i (India)
Performance
59.758.4
Camera
19.119.1
Display
56.556.5
Battery
24.229.1
Build
0.215.9
Connectivity
45.652.9
Audio
8.98.9
Overall
30.033.7

Summary

  • The Allview X4 Soul Infinity Z features a 5.7-inch IPS LCD display with a resolution of 720 x 1440 pixels, while the vivo Y91i has a larger 6.22-inch IPS LCD with a resolution of 720 x 1520 pixels, offering a slightly better pixel density.
  • In terms of performance, the X4 Soul Infinity Z is powered by a Mediatek MT6750T chipset, whereas the Y91i utilizes the more efficient Mediatek MT6762 Helio P22.
  • Both phones have a 13 MP rear camera, but the Y91i has a wider aperture at f/2.2 compared to the X4's f/2.4, and the X4 offers an 8 MP selfie camera versus the Y91i's 5 MP.
  • The Y91i also has a larger 4030 mAh battery compared to the X4's 3000 mAh.
  • In terms of software, the X4 runs on Android 7.0 Nougat, while the Y91i operates on Android 8.1 Oreo with Funtouch 4.5, providing a more updated software experience.

Side-by-side Specification Comparison

Allview X4 Soul Infinity Z
vivo Y91i (India)

General

Release Date

2017
2019

Announced

2017
2019

Description

N/A
Not to be confused with Vivo Y91i for PhilippinesAlso known as vivo Y91C 2020

Display

Size

5.7"
6.22"

Type

IPS LCD
IPS LCD

Resolution

720 x 1440 pixels, 18:9 ratio (~282 ppi density)
720 x 1520 pixels, 19:9 ratio (~270 ppi density)

PPI

720
720

Refresh Rate

60Hz
60Hz

HDR Support

Protection

N/A
N/A

Performance

Chipset

Mediatek MT6750T (28 nm)
Mediatek MT6762 Helio P22 (12 nm)

CPU

Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Octa-core 2.0 GHz Cortex-A53

GPU

Mali-T860MP2
PowerVR GE8320

Memory

32GB 4GB RAM
16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM

Expandable Storage

Card Slot

microSDXC (uses shared SIM slot)
microSDXC (dedicated slot)

Camera

Main Camera

13 MP, PDAF5 MP, f/2.4, (depth)
13 MP, f/2.2, PDAF

Main Camera Features

LED flash, panorama, HDR
LED flash, panorama

Front Camera

8 MP
5 MP, f/1.8

Front Camera Features

N/A
N/A

Video Recording

1080p@30fps
1080p@30fps

Selfie Video

N/A
N/A

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

3000 mAh
4030 mAh

Battery Details

Li-Po 3000 mAh, non-removable
4030 mAh, non-removable

Charging Details

N/A
N/A

Fast Charging

Wireless Charging

Build & Safety

Dimensions

152 x 72.6 x 8.5 mm (5.98 x 2.86 x 0.33 in)
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)

Weight

155 g
163.5 g

Materials

N/A
N/A

Colors

Night Sky, Mocha Gold, Steel Gray
Fusion Black, Sunset Red, Ocean Blue

Foldable

SAR

N/A
1.28 W/kg (head)     0.61 W/kg (body)

Connectivity

SIM

Nano-SIM + Micro-SIM
Nano-SIM + Nano-SIM

Network

GSM / HSPA / LTE
GSM / HSPA / LTE

Network Speed

HSPA 21.1/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps

5G

4G

WiFi

Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n, Wi-Fi Direct

Bluetooth

4.0, A2DP, EDR
5.0, A2DP, LE

NFC

USB

USB Type-C 2.0
microUSB 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS
GPS, GLONASS, BDS

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes

Software & Security

Operating System

Android 7.0 (Nougat)
Android 8.1 (Oreo), Funtouch 4.5

Fingerprint

Face Unlock

Sensors

Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Accelerometer, proximity, compass