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General

NameVivo X21iEnergizer Ultimate U650S-
ModelX21iUltimate U650S-
Price-Exp. Tk 15,300-

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 / 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), 20(800), 40(2300)-
Network SpeedHSPA, LTEHSPA, LTE-A-
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 6.5 inches, 107.2 cm2 (~86.3% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio 720 x 1480 pixels, 18.5:9 ratio (~253 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--

Camera

Primary Camera12MP (f/1.8, 1/2.516 MP, PDAF
2 MP, depth sensor
-
Secondary Camera24MP16 MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaDual-LED dual-tone flash, panorama, HDR-
Video[email protected][email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in) 162.5 x 76.5 x 8.2 mm (6.40 x 3.01 x 0.32 in)-
Body Weight159 g (5.61 oz)--
Body ColorBlack, Aurora White, Ruby Red--

Launch

Launch AnnouncementMay, 2018January,2019-
Launch DateRelease May 19th, 2018Release October,2019-

Platform

Operating SystemAndroid 8.1 Oreo Android 9.0 (Pie)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core 2.0 GHz Cortex-A53-
GPUMali-G72 MP3 PowerVR GE8320-
ChipsetMediatek MT6771 Helio P60Mediatek MT6762 Helio P22 (12 nm)-

Memory

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

Battery

Battery TypeNon-removable Li-Ion Battery Non-removable Li-Ion-
Battery Capacity3425 mAh 3500 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 micNo - 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, USB On-The-Go-
GPSYes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS-

Features

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

Other

Made ByChina United State-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorFast battery charging-