Home/Acer/Acer Liquid Z630S vs vivo Y91i
Acer Liquid Z630S

Acer Liquid Z630S

#5303
vivo Y91i

vivo Y91i

#4651

Category Breakdown

Acer Liquid Z630S
vivo Y91i
Performance
57.961.2
Camera
19.119.1
Display
56.556.5
Battery
28.129.1
Build
0.20.2
Connectivity
40.349.5
Audio
8.98.9
Overall
28.431.9

Summary

  • The Acer Liquid Z630S 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 Z630S is powered by a Mediatek MT6753 chipset with 3GB of RAM, whereas the Y91i utilizes a Snapdragon 439 with 2GB of RAM, which may provide better efficiency.
  • The camera setup on the Y91i includes a 13 MP rear camera with a depth sensor, compared to the Z630S's 8 MP rear camera, giving the Y91i an advantage in versatility.
  • Both devices have similar battery capacities, with the Z630S at 4000 mAh and the Y91i at 4030 mAh, but neither supports fast charging.
  • The Z630S runs on Android 5.1, while the Y91i operates on a more recent Android 8.1, offering a more updated software experience.

Side-by-side Specification Comparison

Acer Liquid Z630S
vivo Y91i

General

Release Date

2015
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

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-T720MP3
Adreno 505

Memory

32GB 3GB RAM
16GB 2GB RAM

Expandable Storage

Card Slot

microSDXC (dedicated slot)
microSDXC

Camera

Main Camera

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

Main Camera Features

LED flash, HDR, panorama
LED flash, panorama

Front Camera

8 MP
8 MP, f/2.0

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

4000 mAh
4030 mAh

Battery Details

Li-Po 4000 mAh, removable (15.2 Wh)
4030 mAh, non-removable

Charging Details

N/A
N/A

Fast Charging

Wireless Charging

Build & Safety

Dimensions

156.3 x 77.5 x 8.9 mm (6.15 x 3.05 x 0.35 in)
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)

Weight

165 g
163.5 g

Materials

N/A
N/A

Colors

Black, Gold
Starry Black, Ocean Blue, Red

Foldable

SAR

N/A
N/A

Connectivity

SIM

Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Nano-SIM + Nano-SIM

Network

GSM / HSPA / LTE
GSM / HSPA / LTE

Network Speed

HSPA, LTE
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
4.2, A2DP, LE

NFC

USB

microUSB 2.0, OTG
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 5.1 (Lollipop)
Android 8.1 (Oreo), Funtouch 4.5

Fingerprint

Face Unlock

Sensors

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