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General

NameVivo X21iLenovo K9-
ModelX21iK9-
Price-TK. 10,200-

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 - SIM 1 & SIM 2-
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), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps-
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 ratio5.7 inches, 83.8 cm2 (~74.8% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio720 x 1440 pixels, 18:9 ratio-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density282 ppi density-

Camera

Primary Camera12MP (f/1.8, 1/2.5Dual: 13 MP, f/2.2, 1/3`, 1.12µm, PDAF 5 MP, f/2.4, 1.12µm, depth sensor-
Secondary Camera24MPDual: 13 MP, f/2.2, 1/3`, 1.12µm, PDAF 5 MP, f/2.4, 1.12µm, depth sensor-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED Flash-
Video[email protected][email protected], [email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)153.8 x 72.9 x 8 mm (6.06 x 2.87 x 0.31 in)-
Body Weight159 g (5.61 oz)155 g (5.47 oz)-
Body ColorBlack, Aurora White, Ruby RedBlack, Blue-

Launch

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

Platform

GPUMali-G72 MP3PowerVR GE8320-
Operating SystemAndroid 8.1 OreoAndroid 8.1 (Oreo)-
ChipsetMediatek MT6771 Helio P60Mediatek MT6762 Helio P22 (12 nm)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)--

Memory

Memory Internal64GB, 128GB32 GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSD, up to 256 GB (uses SIM 2 slot)-
Ram4GB, 6GB 3 GB -

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Ion Battery-
Battery Capacity3425 mAh 3000 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 - Active noise cancellation with dedicated mic-

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotWi-Fi 802.11 b/g/n, WiFi Direct, Hotspot-
Bluetooth5.0, A2DP, LE4.1, A2DP, LE-
USBmicroUSB 2.0, USB On-The-Go2.0, Type-C 1.0 reversible connector, USB On-The-G-
GPSYes, with A-GPS, GLONASSYes, with A-GPS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compassFingerprint /rear-mounted, accelerometer, proximity-
MessagingSMS(threaded view), MMS, Email, Push EmailSMS(threaded view), MMS, Email, Push Email, IM-
BrowserHTML5HTML5-
JavaNoNO-

Other

Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorFast battery charging 2A/5V 10W, MP4/H.264 player, MP3/WAV/eAAC+/Flac player, Photo/video editor, Document viewer-
Made ByChina--