Asus Zenfone 3s Max ZC521TL vs Xiaomi Mi Watch (China)
Asus Zenfone 3s Max ZC521TL
Xiaomi Mi Watch (China)
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100 - Global; HSDPA 850, 900, 2100 - IndiaHSDPA 850, 900, 1900
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 41(2500) - Taiwan; LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300) - IndiaLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850), 39(1900), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps upload-
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GPRSYes-
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EDGEYes-
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Availability
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Oficially announced2017-12019-11
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Status2017-22019-11
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Design
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SIMDual SIM (Micro-SIM/Nano-SIM, dual stand-by)eSIM
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Height149.5 mm44.7 mm
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Width73.7 mm36.9 mm
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Thickness8.85 mm12.3 mm
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Weight175 g44 / 56 g
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ColorsBlack, GoldBlack, Silver
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.2 inches1.78 inches
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Resolution720 x 1280 pixels368 x 448 pixels
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Pixel density282 ppi326 ppi
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Display colors1677721616777216
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MultitouchYes-
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Hardware
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CPUOcta-core 1.5 GHz ARM Cortex-A53Quad-core 1.2 GHz Cortex-A7
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ChipsetMediatek MT6750Qualcomm Snapdragon Wear 3100
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GPUMali-T860MP2Adreno 304
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Memory RAM3 GB1 GB
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Internal storage32 GB8 GB
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Memory cardmicroSD(uses second SIM slot)No
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Memory card max256 GB-
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OS
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OSAndroid OS, v7.0 (Nougat)Proprietary wearable platform
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Main camera
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Main camera13 MP, f/2.0
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Primary camera video1080p@30fps-
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Primary camera Autofocusautofocus-
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Primary camera flashdual-LED (dual tone) flash-
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focus-
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Selfie camera
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Selfie camera8 MP
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0No
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USB On-The-GoYes-
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth EDRYes-
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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BDSYesYes
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaNo-
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SensorsFingerprint (front-mounted), accelerometer, compass, gyro, proximityAccelerometer, barometer, gyro, heart rate
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Power bank functionYes-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity5000 mAh570 / 590 mAh
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Battery removableNon-removableNon-removable
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Wireless charging-Yes
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Talk time 3G28 h-
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Standby time 3G816 h-
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Cost
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Price-170 USD
