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General

NameVivo X21iSamsung Galaxy Z Flip 5G-
ModelX21iGalaxy Z Flip 5G-
Price-Upcoming-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / HSPA / LTE / 5G-
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 / 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)LTE-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A, 5G-
Network GPRSYesYes-
Network EDGEYesYes-
Network 5G-SA/NSA-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M ColorsFoldable Dynamic AMOLED capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio6.7 inches, 101.6 cm2 (~82.5% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio1080 x 2636 pixels (~425 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--
Display Screen Protection-HDR10+ Cover display: 1.1-

Camera

Primary Camera12MP (f/1.8, 1/2.512MP, f/1.8, 27mm (wide), 1/2.55", 1.4µm, Dual Pixel PDAF, OIS
12MP, f/2.2, 12mm (ultrawide), 1.12µm
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Secondary Camera24MP10MP, f/2.4, 26mm (wide), 1.22µm-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED flash, HDR, panorama HDR-
Video[email protected][email protected]/60fps, [email protected]/240fps, [email protected], HDR10+ [email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)Unfolded: 167.3 x 73.6 x 7.2 mm Folded: 87.4 x 73.6 x 17.3 mm-
Body Weight159 g (5.61 oz)183 g (6.46 oz)-
Body ColorBlack, Aurora White, Ruby RedBrown, Mirror Black, Mirror Purple, Mirror Gold, Thom Browne Edition-
Body Build-Plastic front, glass back (Gorilla Glass 6), aluminum frame-

Launch

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

Platform

Operating SystemAndroid 8.1 OreoAndroid 10, One UI 2-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)-
GPUMali-G72 MP3Adreno 650-
ChipsetMediatek MT6771 Helio P60Qualcomm SM8250 Snapdragon 865 (7 nm+)-

Memory

Memory Internal64GB, 128GB256GB UFS 3.1-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)No-
Ram4GB, 6GB 8GB-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Po-
Battery Capacity3425 mAh 3300 mAh-

Multimedia

Fm RadioYesNo-

Sound

AudioVibration, MP3, WAV RingtonesVibration, MP3, WAV ringtones-
LoudspeakerYesYes-
3.5mm JackYes - 32-bit/192kHz audio - Active noise cancellation with dedicated micNo 32-bit/384kHz audio Tuned by AKG-

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotWi-Fi 802.11 a/b/g/n/ac/ax, dual-band, Wi-Fi Direct, hotspot-
Bluetooth5.0, A2DP, LE5.1, A2DP, LE-
USBmicroUSB 2.0, USB On-The-Go3.1, Type-C 1.0 reversible connector, USB On-The-Go-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, GALILEO, BDS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compassFingerprint side-mounted, accelerometer, gyro, proximity, compass, barometer-
MessagingSMS(threaded view), MMS, Email, Push EmailSMS(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 editorFast charging 15W Wireless charging-