Vivo X21 full specifications and review 2020

Vivo X21 specifications 2020


Launch date: March 2018


Android 8.0 Oreo


Processor: Qualcomm Snapdragon 660 MSM8976 Plus

CPU : 2.2 GHz



Storage capacity: 128 GB

Screen resolution: 1080 x 2160px


Rear Camera resolution: 12 Mpx

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Our honest review about the Vivo X21

The Vivo X21 is a Android smartphone of Vivo company that works with Android 8.0 Oreo and was unveiled on March 2018. We are going to discover the technical specs and then the strengths and qualities inside the Vivo X21 thanks to the exhaustive review on this page.

Design specifications

Size is an important element for choosing your mobile phone. The size of your amazing Vivo X21 is 74.8 mm x 154.5 mm x 7.4 mm (width x height x depth) for a net weight of 175 g. the composition of your Vivo X21is made out of a bunch of components incorporating aluminium alloy. Keep in mind that this mobile phone comes available in the following colors: black, red, white.

Display specifications

The display screen for your Vivo X21 smartphone make use of Super Amoled technology to display all the images, games, … This display screen comes with a resolution of 1080 x 2160px (FHD+) for a screen diagonal of 6.28″ inches. Calculating the usable screen area of the Vivo X21 is very easy. We determine the ratio of the screen compared to the proportions of the smartphone. The bigger the percentage, the more you will experience an important display screen (bezel-less). This smartphone has a screen / size ratio of 88%.

The display screen of the Vivo X21 incorporates features like: capacitive, frameless, led notifications, multi-touch, notch.

Hardware and performance specifications

The Vivo X21 mobile phone makes use of one Qualcomm Snapdragon 660 MSM8976 Plus processor and one 4x Kryo 260 2.2 Ghz – 4x Kryo 260 1.8 Ghz Octa-Core with a 2.2 GHz clock speed . This excellent mobile phone has a 64-bit architecture processor

As for the graphic part, the Vivo X21 incorporates Adreno 512 graphics card

The Vivo X21 has 6 GB RAM. You can actually make use of 128 GB of memory to keep your information, photos, memories, archives, audio files …. You are able to integrate complementary memory due to the existence of an SD SLOT.

Camera specifications

The Vivo X21 is provided along with a 12 Mpx rear camera and a lens with an aperture of f/1.8 Samsung S5K2L9 model and ISOCELL type with Dual LED flash.

Among the list of various other features of the camera of this smartphone, we have: autofocus, continuous shooting, digital zoom, dual camera, exposure compensation, face detection, geotagging, hdr, iso settings, optical stabilization (ois), panorama, scene mode, self-timer, touch focus, white balance settings

Connectivity specifications

The Vivo X21 WIFI chip will allow you to link to the following networks: 802.11a, 802.11ac, 802.11b, 802.11g, 802.11n, 802.11n 5GHz (Dual band, Wi-Fi Direct, Wi-Fi Hotspot, Wi-Fi MiMO).

Relating to wireless connectivity, the following mobile phone features Bluetooth 5.0. Moreover to wireless connectivity, the Vivo X21 is going to be as well set up with USB charging, USB Mass Storage, USB synchronization with the PC, OTA (Over-the-Air), …

Network connectivity specifications

The Vivo X21 is made to work with the following 4G (LTE) networks and frequencies: 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). The Vivo X21 is compatible with these types of 3G (UMTS) networks and frequencies: B1 (2100), B2 (1900), B5 (850), B8 (900), B34 (TD 2000), B39 (TD 1900+). The Vivo X21 is manufactured for the following 2G networks and frequencies: CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900).

The Vivo X21 is a cellphone that permits you to run more than one sim card, as a result of Dual SIM Dual Standby (Nano SIM + Nano SIM) certification

Battery specifications

The Vivo X21 battery is Li-Polymer type with a full charge power of 3200 mAh amperes (Fast Charging, Non-removable).

Where to buy the Vivo X21 online at the best price?

Vivo X21 full technical specifications

Model name

Vivo X21

Release date

March 2018

Android version

Android 8.0 Oreo

Body and design

Dimensions: 74.8 mm x 154.5 mm x 7.4 mm
Weight: 175 g
Structure material(s): Aluminium alloy
Resistance certificates: Unknown


Chipset: Qualcomm Snapdragon 660 MSM8976 Plus
CPU: 4x Kryo 260 2.2 Ghz – 4x Kryo 260 1.8 Ghz
Processor core(s): Octa-Core
Processor frequency: 2.2 GHz
64 bits smartphone ?: Yes
Graphic GPU: Adreno 512
RAM Type: Unknown


Storage capacity: 128 GB
Memory type: Unknown
Expandable memory: Yes. Slot for SD or second SIM card


Screen Type: Super Amoled
Screen Diagonal: 6.28″ (inches)
Screen usable surface: 88%
Screen Resolution: 1080 x 2160px
Screen Quality: FHD+
Other Screen features: Capacitive, Frameless, LED Notifications, Multi-touch, Notch

Network / data

4G Bands: 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 Bands: B1 (2100), B2 (1900), B5 (850), B8 (900), B34 (TD 2000), B39 (TD 1900+)
2G Bands: CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)
VoLTE: Yes
Sim Card: Dual SIM Dual Standby (Nano SIM + Nano SIM)


Wifi Networks: 802.11a, 802.11ac, 802.11b, 802.11g, 802.11n, 802.11n 5GHz
Wifi Features: Dual band, Wi-Fi Direct, Wi-Fi Hotspot, Wi-Fi MiMO
Bluetooth: Bluetooth 5.0
USB Type C: No
USB Charging: Yes
USB Mass Storage: Yes
USB OTG (On The Go): Yes
Computer synchronization: Yes
Infrared: No
OTA Sync: Yes
Tethering: Yes


Rear Camera Resolution: 12 Mpx
Camera Sensor: Samsung S5K2L9
Camera Type: ISOCELL
Camera Aperture: f/1.8
Camera ISO: Unknown
Flash: Dual LED
Other Camera Features: Autofocus, Continuous shooting, Digital zoom, Dual camera, Exposure compensation, Face detection, Geotagging, HDR, ISO settings, Optical Stabilization (OIS), Panorama, Scene mode, Self-timer, Touch focus, White balance settings


Battery Type: Li-Polymer
Battery Capacity: 3200 mAh
Battery Features: Fast Charging, Non-removable


Fingerprint: Yes
Accelometer: Yes
Barometer: No
Compass: No
Gyroscope: Yes
Hall Sensor: No
Light Sensor: Yes
Proximity Sensor: Yes



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