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General

NameVivo X21iHaier G8-
ModelX21iG8-
Price-TK 9,200-

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 900 / 2100 HSDPA 850 / 1900-
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), 40(2300) LTE band 2(1900), 4(1700/2100), 5(850), 7(2600), 17(700), 28(700)-
Network SpeedHSPA, LTEHSPA 42.2/11.5 Mbps, LTE Cat4 150/50 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 ratio5.0 inches, 68.9 cm2 (~68.3% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio720 x 1280 pixels, 16:9 ratio-
Display MultitouchYes - Funtouch OS 4.0Yes, up to 5 fingers-
Display Density402 ppi density294 ppi density-
Display Screen Protection-Asahi Dragontrail Glass-

Camera

Primary Camera12MP (f/1.8, 1/2.58MP (f/2.0, 1.12 µm), autofocus, LED Flash-
Secondary Camera24MP8MP (f/2.0, 1.12 µm, no AF), LED Flash-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaGeo-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)142.8 x 70.7 x 8.5 mm (5.62 x 2.78 x 0.33 in)-
Body Weight159 g (5.61 oz)135 g (4.76 oz)-
Body ColorBlack, Aurora White, Ruby RedBlack, White, Blue-

Launch

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

Platform

Operating SystemAndroid 8.1 OreoAndroid 7.0 Nougat-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Quad-core 1.25 GHz Cortex-A53-
GPUMali-G72 MP3Mali-T720MP1-
ChipsetMediatek MT6771 Helio P60Mediatek MT6737-

Memory

Memory Internal64GB, 128GB16GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSD, up to 64GB (dedicated slot)-
Ram4GB, 6GB 1GB -

Battery

Battery TypeNon-removable Li-Ion BatteryRemovable Li-Ion Battery-
Battery Capacity3425 mAh 2500 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-

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-

Features

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

Other

Made ByChina--
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorMP4/H.264 player, MP3/WAV/eAAC player, Photo/video editor ,Document viewer-