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General

NameVivo X21iLenovo Tab M7 -
ModelX21iTab M7 -
Price-Upcoming-

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 band 1(2100), 3(1800), 4(1700/2100), 7(2600), 8(900), 20(800)-
Network SpeedHSPA, LTEHSPA, LTE-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M ColorsIPS LCD capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio7.0 inches, 137.9 cm2 (~76.0% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio600 x 1024 pixels, 16:9 ratio (~170 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--

Camera

Primary Camera12MP (f/1.8, 1/2.52 MP-
Secondary Camera24MP2 MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panorama--
Video[email protected]720p-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)176.3 x 102.9 x 8.3 mm (6.94 x 4.05 x 0.33 in)-
Body Weight159 g (5.61 oz)236 g (8.32 oz)-
Body ColorBlack, Aurora White, Ruby RedIron Grey, Platinum Grey, Onyx Black-
Body Build-236 g (8.32 oz)-

Launch

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

Platform

Operating SystemAndroid 8.1 OreoAndroid 9.0 (Pie) - 2GB RAM; Android 9.0 Pie (Go edition) - 1GB RAM-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Quad-core 1.3 GHz-
GPUMali-G72 MP3Mali-400-
ChipsetMediatek MT6771 Helio P60Mediatek MT8321 (28 nm) - Wi-Fi Mediatek MT8765B - Wi-Fi/LTE-

Memory

Memory Internal64GB, 128GB8GB ,16GB ,32 GB -
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSD, up to 1 TB-
Ram4GB, 6GB 1GB ,2 GB-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Po-
Battery Capacity3425 mAh 3590 mAh-

Multimedia

Fm RadioYesYes-

Sound

AudioVibration, MP3, WAV RingtonesVibration, MP3, WAV ringtones-
LoudspeakerYesYes-
3.5mm JackYes - 32-bit/192kHz audio - Active noise cancellation with dedicated micYes Dolby Audio-

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot-
Bluetooth5.0, A2DP, LE4.2, A2DP, LE-
USBmicroUSB 2.0, USB On-The-GomicroUSB 2.0-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compassAccelerometer-
MessagingSMS(threaded view), MMS, Email, Push EmailSMS(threaded view), MMS, Email, IM-
BrowserHTML5HTML5-
JavaNoNo-

Other

Made ByChinaChina-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorColor:Iron Grey, Platinum Grey, Onyx Black-