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General

NameVivo X21iSamsung Galaxy A21s-
ModelX21iGalaxy A21s-
Price-Tk 18,000-

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 (dual-SIM model only)-
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 (unspecified)-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M ColorsSuper AMOLED capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio6.5 inches, 102.0 cm2 (~82.8% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio720 x 1600 pixels, 20:9 ratio (~270 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--

Camera

Primary Camera12MP (f/1.8, 1/2.548MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8MP, f/2.2, (ultrawide), 1/4.0", 1.12µm
2MP, f/2.4, (macro)
2MP, f/2.4, (depth)
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Secondary Camera24MP13MP, f/2.2, (wide), 1/3.1-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED flash, panorama, HDR-
Video[email protected][email protected] [email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)163.6 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in)-
Body Weight159 g (5.61 oz)192 g (6.77 oz)-
Body ColorBlack, Aurora White, Ruby RedBlack, White, Blue, Red-

Launch

Launch AnnouncementMay, 2018May 15, 2020-
Launch DateRelease May 19th, 2018Released June 02, 2020-

Platform

Operating SystemAndroid 8.1 OreoAndroid 10, One UI 2.0-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core (4x2.0 GHz & 4x2.0 GHz)-
GPUMali-G72 MP3--
ChipsetMediatek MT6771 Helio P60Exynos 850-

Memory

Memory Internal64GB, 128GB32GB, 64GB eMMC 5.1-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSDXC-
Ram4GB, 6GB 3GB, 4GB, 6GB RAM-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Po-
Battery Capacity3425 mAh 5000 mAh-

Multimedia

Fm RadioYesNo-

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 b/g/n, Wi-Fi Direct, hotspot-
Bluetooth5.0, A2DP, LE5.0, A2DP, LE-
USBmicroUSB 2.0, USB On-The-GoYes-
GPSYes, with A-GPS, GLONASSYes, with A-GPS-

Features

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

Other

Made ByChinaKorea-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorFast charging 15W-