Home/Acer/Acer Liquid X2 vs vivo Y91i
Acer Liquid X2

Acer Liquid X2

#3848
vivo Y91i

vivo Y91i

#3862

Category Breakdown

Acer Liquid X2
vivo Y91i
Performance
60.360.3
Camera
42.442.4
Display
70.570.5
Battery
51.051.0
Build
70.870.8
Overall
57.557.5

Summary

  • The Acer Liquid X2 features a 5.5-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the vivo Y91i has a larger 6.2-inch IPS LCD with a resolution of 720 x 1520 pixels, offering a slightly higher pixel density.
  • In terms of performance, the Liquid X2 is powered by a Mediatek MT6753 chipset with 3GB RAM, whereas the Y91i uses a Qualcomm Snapdragon 439 with 2GB RAM, which may provide better efficiency.
  • Both devices have a 13 MP rear camera capable of 1080p video recording, but the Y91i includes an additional 2 MP depth sensor for enhanced photography.
  • The Liquid X2 has a slightly larger 4020 mAh battery compared to the Y91i's 4030 mAh, with both lacking fast charging.
  • The Liquid X2 runs on Android 5.1, while the Y91i operates on a more recent Android 8.1 with Funtouch 4.5, potentially offering a better software experience.

Side-by-side Specification Comparison

Acer Liquid X2
vivo Y91i

General

Release Date

2016
2018

Announced

2015
2018

Description

N/A
Not to be confused with Vivo Y91i for India

Display

Size

5.5"
6.2"

Type

IPS LCD
IPS LCD

Resolution

720 x 1280 pixels, 16:9 ratio (~267 ppi density)
720 x 1520 pixels, 19:9 ratio (~271 ppi density)

PPI

720
720

Refresh Rate

60Hz
60Hz

Peak Brightness

N/A
N/A

HDR Support

Protection

N/A
N/A

Performance

Chipset

Mediatek MT6753 (28 nm)
Qualcomm SDM439 Snapdragon 439 (12 nm)

CPU

Octa-core 1.3 GHz Cortex-A53
Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)

GPU

Mali-T720MP4
Adreno 505

Memory

32GB 3GB RAM
16GB 2GB RAM

Expandable Storage

Card Slot

microSDHC (dedicated slot)
microSDXC

Camera

Main Camera

13 MP
13 MP

Main Camera Details

13 MP, f/1.8, AF
13 MP, f/2.2, PDAF2 MP, f/2.4, (depth)

Front Camera

13 MP
8 MP

Front Camera Details

13 MP, f/1.8, AF
8 MP, f/2.0

Video Recording

1080p@30fps
1080p@30fps

Selfie Video

N/A
N/A

OIS

Night Mode

RAW Support

Battery

Capacity

4020 mAh
4030 mAh

Battery Details

Li-Po 4020 mAh, removable
4030 mAh, non-removable

Charging Details

N/A
N/A

Fast Charging

Wireless Charging

Build & Design

Dimensions

153.3 x 78.8 x 8.5 mm (6.04 x 3.10 x 0.33 in)
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)

Weight

166 g
163.5 g

Materials

N/A
N/A

Water Resistance

N/A
N/A

Colors

Black, Gold
Starry Black, Ocean Blue, Red

Foldable

Connectivity

SIM

Triple SIM (Micro-SIM)
Nano-SIM + Nano-SIM

Network

GSM / HSPA / LTE
GSM / HSPA / LTE

Network Speed

HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE

5G

4G

WiFi

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

Bluetooth

4.0, A2DP, LE
4.2, A2DP, LE

NFC

USB

microUSB 2.0
microUSB 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS
GPS, GLONASS, BDS

Software

Operating System

Android 5.1 (Lollipop)
Android 8.1 (Oreo), Funtouch 4.5

OS Version

Android 5.1 (Lollipop)
Android 8.1 (Oreo), Funtouch 4.5

Security

Fingerprint

Face Unlock

Sensors

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

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes