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General

NameVivo X21iAsus Zenfone Max Pro (M1) ZB601KL-
ModelX21iZenfone Max Pro (M1) ZB601KL-
Price-TK 16,200-

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 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 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 ratio5.99 inches, 93.1 cm2 (~77.0% screen-to-body ratio-
Display Resolution1080 x 2280 pixels, 19:9 ratio1080 x 2160 pixels, 18:9 ratio-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density402 ppi density-

Camera

Primary Camera12MP (f/1.8, 1/2.516MP, f/2.0, PDAF
5MP, f/2.4, 1.12µm, depth sensor (6 GB RAM model only)
-
Secondary Camera24MP8MP, f/2.2, 26mm (wide), 1.0µm 16 MP (6 GB RAM model only)-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaGeo-tagging, Touch focus, Face detection, HDR, panorama-
Video[email protected][email protected], [email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)159 x 76 x 8.5 mm (6.26 x 2.99 x 0.33 in)-
Body Weight159 g (5.61 oz)180 g (6.35 oz)-
Body Build-Front glass, aluminum body-
Body ColorBlack, Aurora White, Ruby RedDeepsea Black, Titanium Grey-

Launch

Launch AnnouncementMay, 2018April, 2018-
Launch DateRelease May 19th, 2018Release May 3rd, 2018-

Platform

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

Memory

Memory Internal64GB, 128GB32GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSD, up to 400GB (dedicated slot)-
Ram4GB, 6GB 3GB-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Po Battery-
Battery Capacity3425 mAh 5000 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 - Active noise cancellation with dedicated mic-

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotWi-Fi 802.11 b/g/n, WiFi Direct, Hotspot-
Bluetooth5.0, A2DP, LE4.2, A2DP, LE-
USBmicroUSB 2.0, USB On-The-GomicroUSB 2.0, USB On-The-Go-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, BDS-

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: 5V/2A 10W, MP3/WAV/eAAC+ player MP4/H.264 player, Document viewer Photo/video editor-