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General

NameVivo X21iXiaomi Redmi Note 7S-
ModelX21iRedmi Note 7S-
Price-Tk 17,999-

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-
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 ratio6.3 inches, 97.4 cm2 (~81.4% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio1080 x 2340 pixels, 19.5:9 ratio-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density409 ppi density-
Display Screen Protection-Corning Gorilla Glass 5-

Camera

Primary Camera12MP (f/1.8, 1/2.5Dual: 48MP
5MP, Depth Sensor
-
Secondary Camera24MP13MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaDual-LED Flash, HDR, Panorama-
Video[email protected][email protected]/60/120fps-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)159.2 x 75.2 x 8.1 mm (6.27 x 2.96 x 0.32 in)-
Body Weight159 g (5.61 oz)186 g-
Body ColorBlack, Aurora White, Ruby RedOnyx Black, Sapphire Blue, Ruby Red-
Body Build-Front/back Glass (Gorilla Glass 5), Plastic Frame-

Launch

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

Platform

Operating SystemAndroid 8.1 OreoAndroid 9.0 (Pie)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)-
GPUMali-G72 MP3Adreno 512-
ChipsetMediatek MT6771 Helio P60Qualcomm SDM660 Snapdragon 660-

Memory

Memory Internal64GB, 128GB32GB, 64GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSD, up to 256GB (uses shared SIM slot)-
Ram4GB, 6GB 3GB, 4GB-

Battery

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

Multimedia

Fm RadioYesYes with Recording-

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, Wi-Fi Direct, Hotspot-
Bluetooth5.0, A2DP, LE5.0, A2DP, LE-
USBmicroUSB 2.0, USB On-The-Go2.0, Type-C 1.0 reversible connector-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, BDS-

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 18W (Quick Charge 4)-