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General

NameVivo X21iSamsung Galaxy J2 Core (2020)-
ModelX21iGalaxy J2 Core (2020)-
Price-Tk 7,500-

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 / 2100-
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, 40, 41-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M ColorsPLS TFT capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio5.0 inches, 68.9 cm2 (~66.7% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio540 x 960 pixels, 16:9 ratio (~220 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--

Camera

Primary Camera12MP (f/1.8, 1/2.58MP, f/2.2, AF-
Secondary Camera24MP5MP, f/2.2-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED flash, HDR, panorama-
Video[email protected][email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)143.4 x 72.1 x 8.9 mm (5.65 x 2.84 x 0.35 in)-
Body Weight159 g (5.61 oz)154 g (5.43 oz)-
Body ColorBlack, Aurora White, Ruby Red--
Body Build-Glass front, plastic back, plastic frame-

Launch

Launch AnnouncementMay, 2018April 27, 2020-
Launch DateRelease May 19th, 2018Released April 27, 2020-

Platform

Operating SystemAndroid 8.1 OreoAndroid 8.1 Oreo (Go edition)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Quad-core 1.4 GHz Cortex-A53-
GPUMali-G72 MP3Mali-T720-
ChipsetMediatek MT6771 Helio P60Exynos 7570 Quad (14 nm)-

Memory

Memory Internal64GB, 128GB16GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSDXC (dedicated slot)-
Ram4GB, 6GB 1GB-

Battery

Battery TypeNon-removable Li-Ion BatteryRemovable Li-Ion-
Battery Capacity3425 mAh 2600 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 b/g/n, Wi-Fi Direct, hotspot-
Bluetooth5.0, A2DP, LE4.2, A2DP-
USBmicroUSB 2.0, USB On-The-GomicroUSB 2.0, USB On-The-Go-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, BDS-

Features

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

Other

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