Compare Mobile Phones

Get Satisfied Before Buying Mobile Phones


NameVivo X21iHelio S1-
ModelX21i S1-
Price-Tk 14,990-


Network TypeGSM / CDMA / HSPA / LTE GSM / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA850/900/1800/1900 MHz-
Network 3GHSDPA 850 / 900 / 2100 2100 MHz-
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)FDD 2100 / 2600 MHz-
Network SpeedHSPA, LTEHSPA, LTE-
Network GPRSYesYes-
Network EDGEYesYes-


Display TypeSuper AMOLED capacitive touchscreen, 16M ColorsAMOLED-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio 5.5-
Display Resolution1080 x 2280 pixels, 19:9 ratio HD (1280 X 720)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density 294 ppi pixel density-
Display Screen Protection- Corning Gorilla Glass 3-


Primary Camera12MP (f/1.8, 1/2.5 13MP-
Secondary Camera24MP 8MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaHDR, Facebeauty, Night, Panorama, Professional, Time Lapse, Slow Motion, Smart Scene, Text Recognition, Macro, GIF, PicNote, Ultra Pixel, Smart Scan, Mood Photo, Geo Tagging, Beautified Video, Video Editor-
Video[email protected] [email protected]-


Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in) 141.5 X 70.3 X 6.95 mm-
Body Weight159 g (5.61 oz) 131.5 gm-
Body ColorBlack, Aurora White, Ruby Red Various-


Launch AnnouncementMay, 2018Available-
Launch DateRelease May 19th, 2018Available-


Operating SystemAndroid 8.1 Oreo Android 5.1 Lollipop-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) 1.3 GHz Octa Core/MTK6753 (64-bit Processor)-
GPUMali-G72 MP3 Mali-T720 MP4-
ChipsetMediatek MT6771 Helio P60 Octa Core Processor (64-bit Processor)-


Memory Internal64GB, 128GB 16GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot) Up to 32GB-
Ram4GB, 6GB 2GB RAM-


Battery TypeNon-removable Li-Ion Battery Li-Polymer Battery -
Battery Capacity3425 mAh 2400 mAh Battery-
Battery Stand by- 270 Hours (*Depends on phone setting, network)-
Battery Talk time- 7 Hours (*Depends on phone setting, network)-


Fm RadioYesYes-


AudioVibration, MP3, WAV Ringtones Vibration, MP3, WAV Ringtones-
3.5mm JackYes - 32-bit/192kHz audio - Active noise cancellation with dedicated micYes-


WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotYes-
Bluetooth5.0, A2DP, LEYes-
USBmicroUSB 2.0, USB On-The-GoYes-


SensorsFingerprint-rear-mounted, accelerometer, proximity, compass Sony IMX 214-
MessagingSMS(threaded view), MMS, Email, Push Email SMS(threaded view), MMS, Email, Push Mail, IM-
JavaNo No-


Made ByChina China-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editor Materials : OGS (On Cell), Full Lamination
Aperture : F2.0
ISO Sensitivity : High sensitivity
Other Features : Zero Shutter Delay, ISO Control, Noise Reduction, HDR, Smile Shot, Gradienter, Continuous Shot, Smile Shot, V Sign Shot , Anti-Shake, Auto Scene Detection and EIS, Selfie PIP Mode, Face Beauty Mode, Panorama Mode, Live Photo