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General

NameVivo X21iXiaomi Redmi 6 Pro-
ModelX21iRedmi 6 Pro-
Price-Tk 16,999-

Network

Network TypeGSM / CDMA / HSPA / LTE GSM / 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 / 2100 HSDPA 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), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A (2CA) 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 ratio 5.84 inches, 85.1 cm2 (~79.5% screen-to-body ratio-
Display Resolution1080 x 2280 pixels, 19:9 ratio 1080 x 2280 pixels, 19:9 ratio (~432 ppi density)-
Display MultitouchYes - Funtouch OS 4.0 Yes - MIUI 9.0-
Display Density402 ppi density 432 ppi density-

Camera

Primary Camera12MP (f/1.8, 1/2.5Dual: 12 MP (f/2.2, 1.25 μm) + 5 MP (f/2.2, 1.12 μm), gyro-EIS, phase detection autofocus, LED Flash-
Secondary Camera24MP 5 MP, 1080p, HDR-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaGeo-tagging, Touch focus, Face/smile 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)149.3 x 71.7 x 8.8 mm (5.88 x 2.82 x 0.35 in)-
Body Weight159 g (5.61 oz) 178 g (6.28 oz)-
Network Sim- Dual SIM (Nano-SIM, dual stand-by)-
Body ColorBlack, Aurora White, Ruby Red--

Launch

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

Platform

Operating SystemAndroid 8.1 Oreo Android 8.1 (Oreo)-
GPUMali-G72 MP3 Adreno 506-
ChipsetMediatek MT6771 Helio P60 Qualcomm MSM8953 Snapdragon 625-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core 2.0 GHz Cortex-A53-

Memory

Memory Internal64GB, 128GB32GB, 64GB -
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot) microSD, up to 256 GB (dedicated slot)-
Ram4GB, 6GB 3GB, 4 GB -

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Po Battery-
Battery Capacity3425 mAh 4000 mAh-

Multimedia

Fm RadioYesYes-

Sound

AudioVibration, MP3, WAV Ringtones Vibration, MP3, WAV Ringtones-
LoudspeakerYesYes-
3.5mm Jack -Yes, Active noise cancellation with dedicated mic-
3.5mm JackYes - 32-bit/192kHz audio - Active noise cancellation with dedicated mic--

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, Hotspot Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, Hotspot-
Bluetooth5.0, A2DP, LE 4.2, A2DP, LE-
USBmicroUSB 2.0, USB On-The-Go microUSB 2.0-
GPSYes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compass Fingerprint, -accelerometer-, gyro, proximity, compass-
MessagingSMS(threaded view), MMS, Email, Push Email SMS, 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 editorXviD/MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Photo/video editor, Document viewer, Charging 5V/2A 10W-
Body Color- Black, Blue, Gold, Rose Gold, Red-