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General

NameVivo X21iSamsung Galaxy Fold-
ModelX21iGalaxy Fold-
Price-Tk 123,000-

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 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 - SM-F900U-
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), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500), 46, 66(1700/2100), 71(600) - SM-F900U-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A (6CA) Cat18 1200/150 Mbps; 5G (2+ Gbps DL)-
Network GPRSYesYes-
Network EDGEYesYes-
Network 5G-5G NSA / Sub6 - only 5G model-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M ColorsDynamic AMOLED capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio7.3 inches, 162.6 cm2 (~85.7% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio1536 x 2152 pixels (~362 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--
Display Screen Protection-HDR10+ Cover display: 4.6-

Camera

Primary Camera12MP (f/1.8, 1/2.512 MP, f/1.5-2.4, 27mm (wide), 1/2.55-
Secondary Camera24MP10 MP, f/2.2, 26mm (wide), 1.22µm
8 MP, f/1.9, 24mm (wide), 1.22µm, depth sensor
Cover camera: 10 MP, f/2.2, 26mm (wide), 1.22µm
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Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED flash, HDR, panorama HDR-
Video[email protected][email protected], [email protected]/240fps (gyro-EIS), [email protected] (gyro-EIS), HDR10 [email protected], [email protected], gyro-EIS-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)Unfolded: 160.9 x 117.9 x 6.9 mm Folded: 160.9 x 62.9 x 15.5 mm-
Body Weight159 g (5.61 oz)263 g (9.28 oz)-
Body ColorBlack, Aurora White, Ruby RedSpace Silver, Cosmos Black, Martian Green, Astro Blue-

Launch

Launch AnnouncementMay, 2018February, 2019-
Launch DateRelease May 19th, 2018September, 2019 -

Platform

Operating SystemAndroid 8.1 OreoAndroid 9.0 (Pie)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)-
GPUMali-G72 MP3Adreno 640-
ChipsetMediatek MT6771 Helio P60Qualcomm SDM855 Snapdragon 855 (7 nm)-

Memory

Memory Internal64GB, 128GB512GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)--
Ram4GB, 6GB 12GB-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Po-
Battery Capacity3425 mAh 4380 mAh-

Multimedia

Fm RadioYesNo-

Sound

AudioVibration, MP3, WAV RingtonesVibration, MP3, WAV ringtones-
LoudspeakerYesYes, with stereo speakers-
3.5mm JackYes - 32-bit/192kHz audio - Active noise cancellation with dedicated micNo 32-bit/384kHz audio Active noise cancellation with dedicated mic Dolby Atmos/AKG sound-

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotWi-Fi 802.11 a/b/g/n/ac/ax, dual-band, Wi-Fi Direct, hotspot-
Bluetooth5.0, A2DP, LE5.0, A2DP, LE, aptX HD-
USBmicroUSB 2.0, USB On-The-Go3.1, Type-C 1.0 reversible connector-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, GALILEO, BDS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compassFingerprint -side-mounted, accelerometer, gyro, proximity, compass, barometer ANT+ Bixby natural language commands and dictation Samsung DeX-desktop experience support-
MessagingSMS(threaded view), MMS, Email, Push EmailSMS(threaded view), MMS, Email, Push Email, IM-
BrowserHTML5HTML5-
JavaNoNo-

Other

Made ByChinaUSA, China-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorFast battery charging 15W Fast wireless charging 15W Power bank/Reverse wireless charging 9W Non-removable Li-Po 4235 mAh battery - 5G model-