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General

NameVivo X21iSamsung Galaxy F42 -
ModelX21iGalaxy F42 -
Price-Upcoming-

Network

Network TypeGSM / CDMA / HSPA / LTE GSM / HSPA / LTE -
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -
Network 3GHSDPA 850 / 900 / 2100 HSDPA 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) 1, 3, 5, 8, 38, 40, 41 -
Network SpeedHSPA, LTE HSPA 42.2/5.76 Mbps -
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M Colors Super AMOLED capacitive touchscreen -
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio 6.4 inches -
Display Resolution1080 x 2280 pixels, 19:9 ratio 1080 x 2340 pixels -
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--

Camera

Primary Camera12MP (f/1.8, 1/2.564MP
8MP
5MP
-
Secondary Camera24MP 32MP -
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panorama panorama, HDR -
Video[email protected]Yes-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in) 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) -
Body Weight159 g (5.61 oz) 191 g (6.74 oz) -
Body ColorBlack, Aurora White, Ruby Red Fusion Black, Fusion Blue, Fusion Green -

Launch

Launch AnnouncementMay, 2018 Not announced yet -
Launch DateRelease May 19th, 2018 Exp. March, 2021 -

Platform

Operating SystemAndroid 8.1 Oreo Android 11 -
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) -
GPUMali-G72 MP3 Mali-G77 -
ChipsetMediatek MT6771 Helio P60 Exynos 990 -

Memory

Memory Internal64GB, 128GB 128/256 GB (ROM) -
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot) microSDXC (dedicated slot) -
Ram4GB, 6GB 8 GB (RAM) -

Battery

Battery TypeNon-removable Li-Ion Battery Li-Poly (Lithium Polymer) -
Battery Capacity3425 mAh 6000 mAh -
Charging- Fast charging -

Multimedia

Fm RadioYesNo-

Sound

AudioVibration, MP3, WAV Ringtones Vibration, MP3, WAV ringtones -
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, Hotspot Wi-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 USB Type-C 2.0 -
GPSYes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, GALILEO, BDS -

Features

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

Other

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