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General

NameVivo X21iXiaomi Black Shark 3S-
ModelX21iBlack Shark 3S-
Price-Tk 60,000-

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 CDMA 800 & TD-SCDMA-
Network 3GHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO-
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)1, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A; 5G-
Network GPRSYesYes-
Network EDGEYesYes-
Network 5G-41, 78, 79 SA/NSA-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M ColorsAMOLED capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio6.67 inches, 107.4 cm2 (~82.4% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio1080 x 2400 pixels, 20:9 ratio (~395 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--
Display Screen Protection-Always-on display 120Hz refresh rate 500 nits typ. brightness (advertised) HDR10+-

Camera

Primary Camera12MP (f/1.8, 1/2.564MP, f/1.8, 26mm (wide), 1/1.72-
Secondary Camera24MP20MP, f/2.0, (wide), 1/3-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED flash, HDR, panorama HDR-
Video[email protected][email protected]/60fps, [email protected]/60/240fps, [email protected] [email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)168.7 x 77.3 x 10.4 mm (6.64 x 3.04 x 0.41 in)-
Body Weight159 g (5.61 oz)222 g (7.83 oz)-
Body ColorBlack, Aurora White, Ruby RedSky Cloud Black, Crystal Blue-
Body Build-Glass front, aluminum back, aluminum frame-

Launch

Launch AnnouncementMay, 20182020, July 31-
Launch DateRelease May 19th, 2018Exp. release 2020, August 04-

Platform

Operating SystemAndroid 8.1 OreoAndroid 10.0-
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 SM8250 Snapdragon 865 (7 nm+)-

Memory

Memory Internal64GB, 128GB256GB, 512GB UFS 3.1-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)No-
Ram4GB, 6GB 12GB-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Po-
Battery Capacity3425 mAh 4729 mAh-
Charging -Fast charging 65W, 100% in 38 min (advertised) Magnetic charging 18W-

Multimedia

Fm RadioYesNo-

Sound

AudioVibration, MP3, WAV RingtonesVibration, MP3, WAV ringtones-
LoudspeakerYesYes, with stereo speakers-
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/ax, dual-band, Wi-Fi Direct, hotspot-
Bluetooth5.0, A2DP, LE5.0, A2DP, LE, aptX HD, aptX Adaptive-
USBmicroUSB 2.0, USB On-The-Go2.0, Type-C 1.0 reversible connector-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, GALILEO, QZSS, BDS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compassFingerprint -under display, optical, accelerometer, gyro, proximity, compass-
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 editorColor: Sky Cloud Black, Crystal Blue-