vivo Y81i vs Xiaomi Redmi S2: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: vivo Y81i vs Xiaomi Redmi S2. The complete information of specifications to decide which to buy.

Compare
vivo Y81ivivo Y81iChina · 2GB · 16GB
Xiaomi Redmi S2Xiaomi Redmi S2China · 3GB · 32GB
Technical data sheets

Basics
vivo Y81i
vivo Y81i
China · 2GB · 16GB
View datasheet
vs
Xiaomi Redmi S2
Xiaomi Redmi S2
China · 3GB · 32GB
View datasheet
vs

Score
Ki Cost-effective
Score		 -- Not available -- Not available
Design and Screen score --Design & Materials --Design & Materials
Performance and Hardware score --Performance & Hardware --Performance & Hardware
Camera score --Camera --Camera
Connectivity score -- Connectivity -- Connectivity
Battery score --Battery --Battery

User reviews
User score
--
No user reviews
8.8
82 reviews

Technical specifications of the vivo Y81i vs Xiaomi Redmi S2

Specs vivo Y81i price comparison vivo Y81i
China · 2GB · 16GB 		stores to buy Xiaomi Redmi S2 Xiaomi Redmi S2
China · 3GB · 32GB
Inches 6.22" 5.99"
Resolution HD+ HD+
Usable surface 83% useful 74% useful
Aspect Ratio 19:9 18:9
Dimensions 75.0 mm
155.1 mm
7.8 mm 		77.3 mm
160.7 mm
8.1 mm
Weight 146 g 170 g
Micro Helio A22
Quad-Core 		SnapD. 625
Octa-Core
RAM 2 GB RAM 3 GB RAM
Storage 16 GB 32 GB
AnTuTu 55.277
v? 		78.004
v7
Battery 3260 mAh 3080 mAh
Main Camera 1
13 Mpx · ƒ/2.2

1
12 Mpx · ƒ/2.2
IMX486 Exmor RS
2
Selfie Camera SELF 5 Mpx · ƒ/2.0 SELF 16 Mpx · ƒ/--
Bands
OS Android 8.0 Oreo Android 9.0 P

Brand
Brand vivo Xiaomi
Aliases -- Redmi Y2

Release Date
Release date October 2018,
5 years ago 		May 2018,
5 years ago
State Not available Not available
Market China China

Design & Materials

Structure

vivo Y81i
Xiaomi Redmi S2
vivo Y81i
Xiaomi Redmi S2
Size
75.0 mm • 155.1 mm • 7.8 mm
See more details
 Print 3D Model
77.3 mm • 160.7 mm • 8.1 mm
See more details
 Print 3D Model
Weight 146 g 170 g
Usable surface 83 % 74 %
Materials Aluminium alloy Metal
Resistance - -
Colors
Black

Red
Gold

Gray

Rose-gold

Screen
Diagonal 6.22" 5.99"
Type LCD IPS LCD IPS
Aspect Ratio 19:9 18:9
Resolution HD+
720 x 1520 px 		HD+
720 x 1440 px
Density 270 Pixels per inch 269 Pixels per inch

Others

Others
  • Medium-sized Notch
  • LED Notifications
  • Capacitive
  • Multi-touch
  • Frameless
  • Without Notch
  • Brightnes 450 cd/m² (typ)
  • 1000:1 contrast ratio
  • 70% NTSC
  • LED Notifications
  • Capacitive
  • Multi-touch
  • LTPS (Low Temperature PolySilicon silicon)

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
--
7.7
Do you think it's a nice phone?
--
8.9
Is it comfortable?
--
8.5
Can you see it well in the sunlight?
--
7.9
Number of reviews
--
82 reviews

Performance & Hardware

Processor
Model MediaTek Helio A22 (MT6761) Qualcomm Snapdragon 625 MSM8953
CPU 4x Cortex-A53 2.0 GHz 8x Cortex-A53 2.0 GHz
Type Quad-Core Octa-Core
Manufacturing 12 nm 14 nm
64 Bits Yes Yes

Graphics
GPU IMG PowerVR GE-class GPU Qualcomm Adreno 506

RAM
RAM 2 GB 3 GB
Type LPDDR3 RAM --

Antutu
Score
55.277
Antutu v?
Overall performance better than 19% of devices
See more details
78.004
Antutu v7
Overall performance better than 33% of devices
See more details

Storage
Capacity 16 GB 32 GB
Type eMMC 5.1 Storage --
SD Slot Yes ,
Independent SD slot 		Yes ,
Independent SD slot

Security
Fingerprint Yes, in the back Yes, in the back

Sensors
Sensors
  • Proximity
  • Light sensor
  • Accelerometer
  • Gyroscope
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Hall

Audio

Audio
-
-

Others
Notifications LED LED Notifications LED Notifications
Cooling system No No
Gaming buttons No No

User reviews

Does it have good sound?
--
8.2
Does it work smoothly in everyday use?
--
9.0
What's your experience been with demanding games?
--
8.6
Number of reviews
--
82 reviews

Camera

Main
No. of cameras Rear camera Double rear camera
1
Camera type

Standard

Standard
Resolution 13 Mpx 12 Mpx
Sensor Unknown Sony IMX486 Exmor RS
Type CMOS CMOS
Aperture ƒ/ 2.2 ƒ/ 2.2
ISO -- --
Pixel size -- 1.25 µm
Pixel Binning -- --
Sensor size -- 1/2.9"
2
Camera type
--

Portrait mode (depth)
Resolution
5 Mpx
Sensor
Samsung S5K5E8
Type
CMOS
Aperture
ƒ/ --
Pixel size
1.12 µm
Pixel Binning
--
Sensor size
1/5"

Features
Flash LED Dual LED
Optical Stabilisation No No
Slow Motion Video No,
30 fps 		Yes,
120 fps
Others
  • Digital zoom
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Digital zoom
  • Dual camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Front Flash

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 5 Mpx 16 Mpx
Sensor Unknown Unknown
Type -- --
Aperture ƒ/ 2.0 ƒ/ --
Pixel size -- --
Pixel Binning -- --
Sensor size -- --
Others
--
--

DxOMark Score
DxOMark Score -- --

User reviews

Quality of daytime photos
--
8.7
Quality of nighttime photos
--
7.0
Quality of selfies
--
8.5
Does it have a powerful flash?
--
8.6
Number of reviews
--
82 reviews

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B34 (TDD 2100)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
3G
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B34 (TD 2000)
  • B39 (TD 1900+)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • CDMA BC0 (800)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card
Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM

Wi-Fi
Wi-Fi
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11b
  • 802.11g
  • 802.11n
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display

Bluetooth
Version Bluetooth 4.2 Bluetooth 4.2
Others
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • HID (Human Interface Profile)

Navigation
Navigation
  • GPS
  • A-GPS
  • GLONASS
  • GPS
  • A-GPS
  • GLONASS
  • Beidou

USB
USB
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • Charging
  • Host
  • Mass Storage
  • USB On-The-Go (OTG)

SAR
European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

 -- 0.429 W/Kg on head
1.577 W/Kg on body
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

 -- --

Others
Others
  • Audio Jack
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Infrared
  • Tethering.
  • VoLTE

User reviews

Does it have good coverage for calls?
--
8.9
Quality of the GPS
--
8.9
And the WiFi?
--
9.1
Number of reviews
--
82 reviews

Battery

Battery
Capacity
3260 mAh
See more details
3080 mAh
See more details
Type Li-Polymer Li-Polymer
Fast charge Yes No
Others
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
--
  • 0%
    Less than half day
  • 13%
    Less than a day
  • 35%
    One day
  • 48%
    More than one day
  • 5%
    Two days or more
Number of reviews
--
82 reviews

Software

Software
Operating System
  • Funtouch 4.0 OS (Android 8.1 Oreo)
    Android 8.0 Oreo, 6 years ago
  • MIUI V11 (Android 9 P)
    Android 9.0 P, 5 years ago
Google Services (official) No No

User reviews

Did it come with preinstalled applications?
--
  • 6%
    It comes with a clean operating system
  • 83%
    It has preinstalled apps but they don't bother me
  • 11%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
--
  • 1%
    Never
  • 6%
    Once a year
  • 40%
    Every six months
  • 52%
    Every two months or less
Number of reviews
--
82 reviews
Prices
Prices unavailable
Prices unavailable