vivo X21 UD

Network

Technology

GSM / CDMA / HSPA / LTE

4G

Yes

5G

No

Body

Dimensions

154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in)

Weight

156.2 g (5.50 oz)

Build

Glass front (Gorilla Glass 3), aluminum back, aluminum frame

SIM

Hybrid Dual SIM (Nano-SIM, dual stand-by)

Display

Type

Super AMOLED

Size

6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio)

Resolution

1080 x 2280 pixels, 19:9 ratio (~402 ppi density)

Protection

Corning Gorilla Glass 3

System

OS

Android 8.1 (Oreo), Funtouch 4

Chipset

Qualcomm SDM660 Snapdragon 660 (14 nm)

CPU

Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)

GPU

Adreno 512

Memory

Internal

128GB

Ram

6GB

Main Camera

Setup

Dual

Lens

12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF
5 MP, f/2.4, (depth)

Features

LED flash, HDR, panorama

Video

1080p@30fps

Selfie Camera

Setup

Singe

Lens

12 MP, f/2.0, (wide), 1/2.8", 1.28µm

Features

Not Specified

Video

1080p@30fps

Battery

Type

Li-Ion 3200 mAh, non-removable

Charging

Fast charging 18W

Sound

Loudspeaker

Yes

3.5mm jack

Yes

Features

Sensors

Fingerprint (under display, optical), accelerometer, proximity, compass

WLAN

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

Bluetooth

5.0

Radio

Yes

USB

microUSB 2.0, USB On-The-Go

Others

Colors

Black, Ruby Red

Launch Date

2018, March