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General

NameVivo X21iApple Watch Series 5 Aluminum-
ModelX21iWatch Series 5 Aluminum-
Price-Tk 45,000-

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-
Network 3GHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1700(AWS) / 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-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M ColorsLTPO OLED capacitive touchscreen, 16M Colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio1.78 inches, 10.0 cm2 (~60.0% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio448 x 368 pixels-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density326 ppi density-
Display Screen Protection-Ion-X Strengthened Glass-

Camera

Primary Camera12MP (f/1.8, 1/2.5No-
Secondary Camera24MP--
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panorama--
Video[email protected]--

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)-
Body Weight159 g (5.61 oz)36.7 g-
Body ColorBlack, Aurora White, Ruby RedElectronic SIM Card (eSIM)-
Body Build-Aluminum Frame, All-ceramic/sapphire Crystal Back-

Launch

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

Platform

Operating SystemAndroid 8.1 OreowatchOS 6.0-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)--
GPUMali-G72 MP3PowerVR-
ChipsetMediatek MT6771 Helio P60Apple S5-

Memory

Memory Internal64GB, 128GB32GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)--
Ram4GB, 6GB No-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Ion Battery-
Battery Capacity3425 mAh Up to 18 h (mixed usage)-

Multimedia

Fm RadioYesNo-

Sound

AudioVibration, MP3, WAV RingtonesYes-
LoudspeakerYesYes-
3.5mm JackYes - 32-bit/192kHz audio - Active noise cancellation with dedicated micNo-

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotYes-
Bluetooth5.0, A2DP, LE5.0, A2DP, LE-
USBmicroUSB 2.0, USB On-The-GoNo-
GPSYes, with A-GPS, GLONASSYes, with A-GPS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compassAccelerometer, gyro, heart rate - 2nd gen, barometer, compass-
MessagingSMS(threaded view), MMS, Email, Push Email--
BrowserHTML5--
JavaNo--

Other

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