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General

NameVivo X21iSamsung Galaxy A Quantum-
ModelX21iGalaxy A Quantum-
Price-Tk 47,000-

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 / 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 ColorsSuper AMOLED Plus capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio6.7 inches, 108.4 cm2 (~88.3% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio1080 x 2400 pixels, 20:9 ratio (~393 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--
Display Screen Protection-Corning Gorilla Glass 3-

Camera

Primary Camera12MP (f/1.8, 1/2.564MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
12MP, f/2.2, 12mm (ultrawide)
5MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm
5MP, f/2.2, (depth)
-
Secondary Camera24MP32MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED flash, panorama, HDR HDR-
Video[email protected][email protected], [email protected]/240fps, [email protected]; gyro-EIS [email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)162.5 x 75.5 x 8.1 mm (6.40 x 2.97 x 0.32 in)-
Body Weight159 g (5.61 oz)185 g (6.53 oz)-
Body ColorBlack, Aurora White, Ruby RedPrism Cube Black, Prism Cube Sliver, Prism Cube Blue-
Body Build-Glass front (Gorilla Glass 3), plastic back, plastic frame-

Launch

Launch AnnouncementMay, 20182020, May 14-
Launch DateRelease May 19th, 20182020, May 22-

Platform

Operating SystemAndroid 8.1 OreoAndroid 10, One UI 2-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)-
GPUMali-G72 MP3Mali-G76 MP5-
ChipsetMediatek MT6771 Helio P60Exynos 980 (8 nm), QRNG security chipset-

Memory

Memory Internal64GB, 128GB128GB UFS 2.1-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSDXC (dedicated slot)-
Ram4GB, 6GB 8GB-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Po-
Battery Capacity3425 mAh 4500 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 micYes-

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, LE5.0, A2DP, LE-
USBmicroUSB 2.0, USB On-The-Go2.0, 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 under display, optical, accelerometer, gyro, proximity, compass ANT+-
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 25W-