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General

NameVivo X21iLenovo K5 Pro-
ModelX21iK5 Pro-
Price-Tk. 14,700-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / CDMA / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMAGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA-
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), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)-
Network SpeedHSPA, LTEHSPA, LTE-A-
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 ratio5.99 inches-
Display Resolution1080 x 2280 pixels, 19:9 ratio1080 x 2160 pixels-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density~403 ppi-

Camera

Primary Camera12MP (f/1.8, 1/2.5Dual 16 MP, f/2.0, PDAF
5 MP, depth sensor
-
Secondary Camera24MPDual 16 MP, PDAF
5 MP, depth sensor
-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaDual-LED dual-tone flash, HDR, panorama-
Video[email protected]ps[email protected], [email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)156 x 75 x 8 mm (6.14 x 2.95 x 0.31 in)-
Body Weight159 g (5.61 oz)165 gm-
Body ColorBlack, Aurora White, Ruby RedBlack, Gold-

Launch

Launch AnnouncementMay, 2018October, 2018-
Launch DateRelease May 19th, 2018Release October 25, 2018-

Platform

Operating SystemAndroid 8.1 OreoAndroid 8.1 Oreo-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core 1.8 GHz Kryo 260-
GPUMali-G72 MP3Adreno 509-
ChipsetMediatek MT6771 Helio P60Qualcomm SDM636 Snapdragon 636 (14 nm)-

Memory

Memory Internal64GB, 128GB64 GB, 128 GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSD, up to 256 GB (dedicated slot)-
Ram4GB, 6GB 6 GB ,4 GB-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Ion-
Battery Capacity3425 mAh 4050 mAh -

Multimedia

Fm RadioYesYes-

Sound

AudioVibration, MP3, WAV RingtonesMP3/WAV/eAAC+/Flac player-
LoudspeakerYesYes, with stereo speakers-
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 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot-
Bluetooth5.0, A2DP, LE4.2, A2DP, LE-
USBmicroUSB 2.0, USB On-The-Go2.0, Type-C 1.0 reversible connector-
GPSYes, with A-GPS, GLONASSYes, with A-GPS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compassFingerprint /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 editorFast battery charging 2A/9V 18W, MP4/H.265 player, MP3/WAV/eAAC+/Flac player, Photo/video editor Document viewer-