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General

NameVivo X21iXiaomi Redmi Y3-
ModelX21iRedmi Y3-
Price-Tk. 11,500-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMAGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-
Network 3GHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 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 band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300)-
Network SpeedHSPA, LTEHSPA, LTE-A-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M ColorsIPS LCD capacitive touchscreen, 16M Colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio6.26 inches, 97.8 cm2 (~81.5% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio720 x 1520 pixels, 19:9 ratio-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density269 ppi density-
Display Screen Protection-Corning Gorilla Glass 5-

Camera

Primary Camera12MP (f/1.8, 1/2.5Dual: 12 MP
2 MP, Depth Sensor
-
Secondary Camera24MP32 MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED Flash, Panorama, HDR-
Video[email protected][email protected]/60fps-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)158.7 x 75.6 x 8.5 mm (6.25 x 2.98 x 0.33 in)-
Body Weight159 g (5.61 oz)180 g-
Body ColorBlack, Aurora White, Ruby RedElegant Blue, Bold Red, Prime Black-

Launch

Launch AnnouncementMay, 2018April, 2019 -
Launch DateRelease May 19th, 2018Released April, 2019 -

Platform

Operating SystemAndroid 8.1 OreoAndroid 9.0 (Pie)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core (4x1.8 GHz Kryo 250 Gold & 4x1.8 GHz Kryo 250 Silver)-
GPUMali-G72 MP3Adreno 506-
ChipsetMediatek MT6771 Helio P60Qualcomm SDM632 Snapdragon 632-

Memory

Memory Internal64GB, 128GB32 GB, 64 GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSD, up to 512 GB (dedicated slot)-
Ram4GB, 6GB 3 GB, 4 GB-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Po Battery-
Battery Capacity3425 mAh 4000 mAh Battery-

Multimedia

Fm RadioYesYes-

Sound

AudioVibration, MP3, WAV RingtonesVibration, MP3, WAV Ringtones-
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, dual-band, WiFi Direct, Hotspot-
Bluetooth5.0, A2DP, LEYes-
USBmicroUSB 2.0, USB On-The-Go2.0, Type-C 1.0 reversible connector, USB On-The-G-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, GALILEO-

Features

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

Other

Made ByChinaChina-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorFast battery charging 10W-