Price and specifications on Vivo X21 UD

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Technical sheet of Vivo X21 UD

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Description

Finding the best price for the Vivo X21 UD is no easy task. Here you will find where to buy the Vivo X21 UD at the best price. Prices are continuously tracked in over 140 stores so that you can find a reputable dealer with the best price

Brand

Brand
Vivo
Smartphones by Vivo

Release Date

Release date
March 2018, 2 years ago
State
Not available

Design & Materials of Vivo X21 UD

Structure

Size
74.8 mm 154.5 mm 7.4 mm
Print 3D Model
Weight
175 g
Usable surface
85 %
Materials
Aluminium alloy
Colors
Black
Red

Screen

Diagonal
6.28"
Type
Super Amoled
Aspect Ratio
19:9
Resolution
1080 x 2280 px FHD+
Density
402 ppi Very high density
Others
  • Medium-sized Notch
  • LED Notifications
  • Capacitive
  • Multi-touch
  • Frameless
Others
Extra
Fingerprint sensor Synaptics
AK4376A Hi-Fi Audio Chip

Performance & Hardware of Vivo X21 UD

Processor

Model
Qualcomm Snapdragon 660 MSM8976 Plus
CPU
4x Kryo 260 2.2 Ghz + 4x Kryo 260 1.8 Ghz
Type
Octa-Core
Frequency
2.2 GHz
64 Bits
Yes
More smartphones with Qualcomm Snapdragon 660 MSM8976 Plus processor

Graphics

GPU
Qualcomm Adreno 512

RAM

RAM
6 GB
Type
--
More smartphones with 6GB RAM memory

Antutu

Score
143.707 Antutu v7
Overall performance better than 71% of devices

Storage

Capacity
128 GB
SD Slot
Yes , Slot for SD or second SIM card
More smartphones with 128GB of internal storage

Security

Fingerprint
Yes, in screen

Sensors

Fingerprint
Yes
Proximity
Yes
Light sensor
Yes
Accelerometer
Yes
Gyroscope
Yes
Gravity
Yes
Others
Notifications LED
LED Notifications
Cooling system
No
Gaming buttons
No

Camera of Vivo X21 UD

Double rear camera

Standard
1
Resolution
12 Mpx
Sensor
Samsung S5K2L9
Type
ISOCELL
Aperture
ƒ/ 1.8
ISO
--
Pixel size
1.40 µm
Sensor size
1/2.55
2
Resolution
5 Mpx
Sensor
Samsung S5K4E8
Type
CMOS
Aperture
ƒ/ 2.4
ISO
--
Pixel size
1.40 µm
Sensor size
1/4
Flash
Dual LED
Optical Stabilisation
Yes
Slow Motion Video
Yes, 120 fps
Features
  • Digital zoom
  • Dual camera
  • Optical Stabilization (OIS)
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
More smartphones with S5K2L9 lens modelMore smartphones with Dual LED

Selfie

Resolution
12 Mpx
Sensor
Samsung S5K2L8
Type
ISOCELL
Aperture
ƒ/ 2.0
ISO
--
Pixel size
1.28 µm
Sensor size
1/2.8
Others
Extra
  • Full-pixel dual-core 24MP
  • Sensor size 1/2.6"
  • Second rear camera 5MP
  • Second rear camera sensor Samsung S5K4E8
  • Second rear camera f/2.4 aperture
  • Second rear camera pixel size1.4 μm
Front
  • f/2.0 aperture
  • Sensor Samsung S5K2L8
Kimovil Frequency Checker

Network compatibility

Connectivity of Vivo X21 UD

Bands

4G LTE
B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), 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), B34 (TD 2000), B39 (TD 1900+)
2G
CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)

SIM card

Type
Dual SIM Dual Standby (Nano SIM + Nano SIM)

SIM cards (MiniSIM) can be cut to MicroSIM, MicroSIM can be cut to NanoSIM and a SIM can even be cut to a NanoSIM (although not recommended). Download this SIM Cutting Template and forget about having to ask your operator for a new SIM...

Wi-Fi

Standards
802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi MiMO

Bluetooth

Version
Bluetooth 5.0
Profiles
  • A2DP (Advanced Audio Distribution Profile)

Navigation

Supports
GPS, A-GPS, GLONASS, Beidou, SUPL

USB

Charging
Yes
Mass Storage
Yes
USB On-The-Go (OTG)
Yes

SAR

--
--
Others
NFC
No
Audio Jack
Yes
Radio FM
No
Computer sync
Yes
OTA sync
Yes
Tethering.
Yes
VoLTE
Yes

Battery of Vivo X21 UD

Capacity
3200 mAh
Type
Li-Polymer
Fast charge
Yes
Others
  • Non-removable

Software of Vivo X21 UD

Software

Operating System
Android 8.0 Oreo
Funtouch 3.2 OS (Android 8.0 Oreo)
Google Services (official)
No
More smartphones with Funtouch 3.2 OS (Android 8.0 Oreo) operating system

User reviews about the Vivo X21 UD

Overall satisfaction
Not enough opinions
4 opinions
  • Screen9.1
  • Performance9.7
  • Camera8.8
  • Connectivity9.3
  • Battery8.0
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Ki Price/Quality
Score
No price,
no Ki
  • 7.5 Design & Materials
  • 6.6 Performance & Hardware
  • 7.4 Camera
  • 5.8 Connectivity
  • 4.9 Battery
What is a Ki score?
Ki is an automatic score based on the specifications and prices of devices. It is calculated using over 200 variables to rank smartphones, tablets and other devices from best to worst.
How do we calculate the Ki?

In this case, to determine the score we evaluate 5 general aspects:

  • Design and screen
  • Hardware and performance
  • Camera
  • Connectivity
  • Battery

Once these 5 factors have been rated, we introduce the price variable. This means that any two devices with the same ratings get a different Ki score for quality vs price.

Even a device objectively worse than another may have a higher Ki score if it has a better price.

Does the Ki score change?

The Ki varies as time goes by. As new devices with better specifications enter the market the Ki score of older devices will go down, always being compensated of their decrease in price.