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General

NameVivo X21iWalton Primo R6 Max-
ModelX21iPrimo R6 Max-
Price-Tk. 10,999-

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 / 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 ColorsIPS, 2.5D Curved Glass-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio5.26 inches-
Display Resolution1080 x 2280 pixels, 19:9 ratio720 x 1520 pixels-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--
Display Screen Protection-Scratch Resistant Glass-

Camera

Primary Camera12MP (f/1.8, 1/2.5Dual: 13MP
2MP
-
Secondary Camera24MP8MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaBSI Sensor, Face Detection, Digital Zoom, Self Timer, Auto Focus, Touch Focus, Touch Shot, Night Mode, Bokeh Mode, ISO Balance, Auto HDR, Panorama, Filter Mode-
Video[email protected][email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)159.8 x 76.5 x 8.5 mm-
Body Weight159 g (5.61 oz)172 g with battery-
Body ColorBlack, Aurora White, Ruby RedBlue, Black-

Launch

Launch AnnouncementMay, 2018August, 2019-
Launch DateRelease May 19th, 2018Release August, 2019-

Platform

Operating SystemAndroid 8.1 OreoAndroid 9.0 (Pie)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)1.6GHz Octa-Core-
GPUMali-G72 MP3PowerVR Rouge GE8322-
ChipsetMediatek MT6771 Helio P60ARM Cortex-A55-

Memory

Memory Internal64GB, 128GB32GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSD, up to 128GB-
Ram4GB, 6GB 3GB-

Battery

Battery TypeNon-removable Li-Ion BatteryLi-Polymer Battery-
Battery Capacity3425 mAh 4000 mAh Battery-

Multimedia

Fm RadioYesNo-

Sound

AudioVibration, MP3, WAV RingtonesYes-
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, HotspotYes-
Bluetooth5.0, A2DP, LEYes-
USBmicroUSB 2.0, USB On-The-GomicroUSB 2.0-
GPSYes, with A-GPS, GLONASSYes-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compassAccelerometer 3D, Light Brightness, Proximity, Fingerprint Sensor-
MessagingSMS(threaded view), MMS, Email, Push EmailSMS(threaded view), MMS, Email-
BrowserHTML5HTML5-
JavaNoNo-

Other

Made ByChinaBangladesh-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorLiveness Face Unlock, Digital Wellbeing, Auto Call recorder, Online Themes-