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General

NameVivo X21iXiaomi Mi 12-
ModelX21iMi 12-
Price-Upcoming-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / CDMA / HSPA / EVDO / LTE / 5G-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMAGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)-
Network 3GHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100-
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)LTE-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A, 5G (2+ Gbps DL)-
Network GPRSYesYes-
Network EDGEYesYes-
Network 5G-SA/NSA-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M ColorsSuper AMOLED Display-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio6.9 inches-
Display Resolution1080 x 2280 pixels, 19:9 ratio1080 x 2340 pixels, 19.5:9 ratio-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--

Camera

Primary Camera12MP (f/1.8, 1/2.5108MP, (wide)
40MP, (telephoto)
21MP, (Ultrawide)
8MP, (Macro)
-
Secondary Camera24MP32MP, (wide)-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panorama--
Video[email protected]2160p @30fps, 3840×2160 pixels-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)--
Body Weight159 g (5.61 oz)--
Body ColorBlack, Aurora White, Ruby RedAlpine White, Solstice Grey-
Body Build-Glass front (Gorilla Glass 5), glass back, aluminum frame-

Launch

Launch AnnouncementMay, 2018Not announced-
Launch DateRelease May 19th, 2018August, 2021-

Platform

Operating SystemAndroid 8.1 OreoAndroid 11-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)-
GPUMali-G72 MP3Adreno 650-
ChipsetMediatek MT6771 Helio P60Qualcomm SM8350 Snapdragon 875 5G (7 nm+)-

Memory

Memory Internal64GB, 128GB512GB ROM-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)No-
Ram4GB, 6GB 12GB RAM-

Battery

Battery TypeNon-removable Li-Ion BatteryLi-Poly (Lithium Polymer)-
Battery Capacity3425 mAh 5500 mAh-

Multimedia

Fm RadioYes--

Sound

AudioVibration, MP3, WAV RingtonesYes-
LoudspeakerYesYes-
3.5mm JackYes - 32-bit/192kHz audio - Active noise cancellation with dedicated micYes-

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA, hotspot-
Bluetooth5.0, A2DP, LE5.1, A2DP, LE, aptX HD, aptX Adaptive-
USBmicroUSB 2.0, USB On-The-Go2.0, Type-C 1.0 reversible connector, USB On-The-Go-
GPSYes, with A-GPS, GLONASSYes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compassFingerprint under display, optical, accelerometer, gyro, proximity, compass, barometer-
MessagingSMS(threaded view), MMS, Email, Push EmailSMS(threaded view), MMS, Email, Push Email, IM-
BrowserHTML5HTML5-
JavaNoNo-

Other

Made ByChinaChina-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editor--