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General

NameVivo X21iRealme Narzo-
ModelX21iNarzo-
Price-Tk 20,000-

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 / 2100 - Indonesia-
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)1, 3, 5, 8, 38, 40, 41 - Indonesia-
Network SpeedHSPA, LTEHSPA 42.2/11.5 Mbps, LTE-A (2CA) Cat6 300/75 Mbps-
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 ratio6.5 inches, 102.0 cm2 (~84.1% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio1080 x 2400 pixels, 20:9 ratio (~405 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--
Display Screen Protection-Corning Gorilla Glass 3 480 nits typ. brightness (advertised) 90Hz refresh rate-

Camera

Primary Camera12MP (f/1.8, 1/2.548MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8MP, f/2.3, 119˚ (ultrawide), 1/4.0", 1.12µm
2MP, f/2.4, (macro)
2MP B/W, f/2.4, (depth)
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Secondary Camera24MP16MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED flash, HDR, panorama HDR, panorama-
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)162.1 x 74.8 x 8.9 mm (6.38 x 2.94 x 0.35 in)-
Body Weight159 g (5.61 oz)191 g (6.74 oz)-
Body ColorBlack, Aurora White, Ruby RedJust Black, Just White-
Body Build-Glass front (Gorilla Glass 3), plastic back, plastic frame-

Launch

Launch AnnouncementMay, 2018June 23, 2020-
Launch DateRelease May 19th, 2018Available. Released June 23, 2020-

Platform

Operating SystemAndroid 8.1 OreoAndroid 10, Realme UI-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)-
GPUMali-G72 MP3Mali-G76 MC4-
ChipsetMediatek MT6771 Helio P60Mediatek MT6785 Helio G90T (12 nm)-

Memory

Memory Internal64GB, 128GB128GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSDXC (dedicated slot)-
Ram4GB, 6GB 4GB-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Po-
Battery Capacity3425 mAh 4300 mAh-

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, 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, USB On-The-Go-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, BDS-

Features

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

Other

Made ByChinaChina-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorFast charging 30W, 100% in 55 min (advertised)-