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General

NameVivo X21iXiaomi Redmi Note 7 Pro-
ModelX21iRedmi Note 7 Pro-
Price-Tk 21,999-

Network

Network TypeGSM / CDMA / HSPA / LTE GSM / 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), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M Colors IPS LCD capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio 6.3 inches, 97.4 cm2 (~81.4% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--
Display Screen Protection-Corning Gorilla Glass 5-

Camera

Primary Camera12MP (f/1.8, 1/2.548MP, f/1.8, 1/2
5MP
-
Secondary Camera24MP13MP, f/2.2, 1.25µm-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaDual-LED flash, HDR, panorama HDR-
Video[email protected][email protected], [email protected]/60/120fps, (gyro-EIS) [email protected]-

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 (6.56 oz)-
Body ColorBlack, Aurora White, Ruby Red Blue, Black, Twilight Gold-
Body Build- Front/back glass (Gorilla Glass 5)-

Launch

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

Platform

Operating SystemAndroid 8.1 Oreo Android 9.0 (Pie); MIUI 10-
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 MP3 Adreno 612-
ChipsetMediatek MT6771 Helio P60Qualcomm SDM660 Snapdragon 660 (14 nm)-

Memory

Memory Internal64GB, 128GB 32GB, 64GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot) microSD, up to 256GB (uses SIM 2 slot)-
Ram4GB, 6GB 3GB, 4GB, 6GB RAM-

Battery

Battery TypeNon-removable Li-Ion Battery Non-removable Li-Po-
Battery Capacity3425 mAh 4000 mAh battery-

Multimedia

Fm RadioYesYes-

Sound

AudioVibration, MP3, WAV Ringtones Vibration, MP3, WAV ringtones-
LoudspeakerYes Yes-
3.5mm JackYes - 32-bit/192kHz audio - Active noise cancellation with dedicated micYes -Active noise cancellation with dedicated mic-

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, LE 5.0, A2DP, LE-
USBmicroUSB 2.0, USB On-The-Go 2.0, Type-C 1.0 reversible connector-
GPSYes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compass Fingerprint - rear-mounted, accelerometer, gyro, proximity, compass-
MessagingSMS(threaded view), MMS, Email, Push Email SMS(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 Fast battery charging 9V/2A 18W (Quick Charge 4)-