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General

NameVivo X21iCoolpad X10-
ModelX21iX10-
Price-Upcoming-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / CDMA / HSPA / EVDO / LTE / 5G-
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 / 1700(AWS) / 1900 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-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A, 5G (2+ Gbps DL)-
Network GPRSYesYes-
Network EDGEYesYes-
Network 5G-SA/NSA/Sub6-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M ColorsIPS LCD Capacitive Touchscreen-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio6.53 inches-
Display Resolution1080 x 2280 pixels, 19:9 ratio1080 x 2340 pixels, 19.5:9 ratio-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--

Camera

Primary Camera12MP (f/1.8, 1/2.548MP
8MP
-
Secondary Camera24MP16MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panorama--
Video[email protected][email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)165 x 77 x 9.5 mm (6.50 x 3.03 x 0.37 in)-
Body Weight159 g (5.61 oz)195 g (6.88 oz)-
Body ColorBlack, Aurora White, Ruby RedYellow/Blue-

Launch

Launch AnnouncementMay, 2018Not announced-
Launch DateRelease May 19th, 2018December, 2020-

Platform

Operating SystemAndroid 8.1 OreoAndroid 10-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)-
GPUMali-G72 MP3Adreno 620-
ChipsetMediatek MT6771 Helio P60Qualcomm SDM765 Snapdragon 765G (7 nm)-

Memory

Memory Internal64GB, 128GB64GB ROM-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSDXC-
Ram4GB, 6GB 4GB RAM-

Battery

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

Multimedia

Fm RadioYesYes-

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, HotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot-
Bluetooth5.0, A2DP, LE5.0, A2DP, LE-
USBmicroUSB 2.0, USB On-The-Go2.0, Type-C 1.0 reversible connector-
GPSYes, with A-GPS, GLONASSYes, with dual-band A-GPS, GLONASS, BDS, GALILEO-

Features

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

Other

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