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General

NameVivo X21iGoogle Pixel 3a-
ModelX21iPixel 3a-
Price-Tk 34,990-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / CDMA / HSPA / EVDO / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMAGSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900-
Network 3GHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO-
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), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 40(2300), 41(2500), 66(1700/2100)-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat11 600/75 Mbps-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M ColorsOLED capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio5.6 inches, 79.6 cm2 (~75.0% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio1080 x 2220 pixels, 18.5:9 ratio (~441 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--
Display Screen Protection-Asahi Dragontrail Glass-

Camera

Primary Camera12MP (f/1.8, 1/2.512.2MP, f/1.8, 28mm (wide), 1/2.55-
Secondary Camera24MP8MP, f/2.0, 24mm (wide), 1.12µm-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaDual-LED flash, HDR, panorama HDR-
Video[email protected][email protected], [email protected]/60/120fps [email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)151.3 x 70.1 x 8.2 mm (5.96 x 2.76 x 0.32 in)-
Body Weight159 g (5.61 oz)147 g (5.19 oz)-
Body ColorBlack, Aurora White, Ruby RedJust Black, Clearly White, Purple-ish-
Body Build-Front glass, plastic body-

Launch

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

Platform

Operating SystemAndroid 8.1 OreoAndroid 9.0 (Pie)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)-
GPUMali-G72 MP3Adreno 615-
ChipsetMediatek MT6771 Helio P60Qualcomm SDM670 Snapdragon 670 (10 nm)-

Memory

Memory Internal64GB, 128GBNo-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)64GB-
Ram4GB, 6GB 4GB-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Ion-
Battery Capacity3425 mAh 3000 mAh battery-

Multimedia

Fm RadioYesNo-

Sound

AudioVibration, MP3, WAV RingtonesVibration, MP3, WAV ringtones-
LoudspeakerYesYes, with stereo speakers-
3.5mm JackYes - 32-bit/192kHz audio - Active noise cancellation with dedicated micYes 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, LE5.0, A2DP, LE, aptX HD-
USBmicroUSB 2.0, USB On-The-Go2.0, Type-C 1.0 reversible connector-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, BDS, GALILEO-

Features

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

Other

Made ByChinaUSA-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorFast battery charging 18W
USB Power Delivery 2.0
Always-on display
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