Sources and limitations

Listed specifications are reference information, not results of TechMyte testing. Rumored details may change, and hardware or supported features can differ by region. Confirm the exact model with its manufacturer before buying.

Battery capacity does not establish tested endurance; megapixel count does not establish camera quality. Use the comparison tool to identify differences, then check the features that matter to your use.

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Technical data sheet

Full Specifications

Network

Technology	GSM / CDMA / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands	HSDPA 850 / 900 / 2100
4G bands	1, 3, 4, 5, 8, 38, 39, 40, 41
Speed	HSPA, LTE

Launch

Announced	2018, May
Status	Available. Released 2018, May

Body

Dimensions	154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)
Weight	159 g (5.61 oz)
SIM	Hybrid Dual SIM (Nano-SIM, dual stand-by)

Battery

Type	Super AMOLED
Charging	18W wired

Display

Size	6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio)
Resolution	1080 x 2280 pixels, 19:9 ratio (~402 ppi density)

Platform

OS	Android 8.1 (Oreo), Funtouch 4
Chipset	Mediatek MT6771 Helio P60 (12 nm)
CPU	Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU	Mali-G72 MP3

Memory

Card slot	microSDXC (uses shared SIM slot)
Internal	64GB 6GB RAM, 128GB 4GB RAM

Selfie camera

Single	24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9Âµm
Video	1080p@30fps

Sound

Loudspeaker	Yes
3.5mm jack	Yes

Comms

WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth	5.0, A2DP, LE
Positioning	GPS, GLONASS
NFC	No
Radio	FM radio
USB	microUSB 2.0, OTG

Features

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

Misc

Colors	Black, Aurora White, Ruby Red, Night Purple
Price	About 430 EUR
Models	X21i A

Main Camera

Features	LED flash, HDR, panorama
Dual	12 MP, f/1.8, 1/2.55", 1.4Âµm, dual pixel PDAF 5 MP, f/2.4, (depth)

vivo X21i