Apple Watch Sport Series 2 38mm vs Xiaomi Mi 4 LTE
Apple Watch Sport Series 2 38mm
Xiaomi Mi 4 LTE
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 900, 1900, 2100
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE, 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 announced2016-122014-12
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Status2014-12
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Design
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BuildAluminum/Ceramic back-
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SIMNoMicro-SIM
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Height38.6 mm139.2 mm
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Width33.3 mm68.5 mm
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Thickness11.4 mm8.9 mm
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Weight28.2 g149 g
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Waterproof50m-
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ColorsCase colors: silver, black; Band types: sport, blue, gold, gray; Band colors: gray, pink, rose gold, white, woven nylon, yellowWhite
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size1.5 inches5.0 inches
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Resolution340 x 272 pixels1080 x 1920 pixels
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Pixel density290 ppi441 ppi
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Display colors1677721616777216
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ProtectionIon-X strengthened glass-
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MultitouchYes-
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Display features3D Touch display, 1000 nits-
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Hardware
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CPUDual-core 780 MHz ARM Cortex-A7Quad-core 2.5 GHz Krait 400
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ChipsetApple S2Qualcomm MSM8974AC Snapdragon 801
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GPUPowerVR G6200Adreno 330
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Memory RAM512 MB3 GB
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Internal storage8 GB16 GB
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Memory card
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OS
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OSwatchOS 3.0Android OS, v4.4.3 (KitKat)
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; RingtonesVibration; MP3, WAV ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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WLAN DLNA-Yes
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USBmicroUSB 2.0
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USB host-Yes
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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Infrared-Yes
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NFCYes-
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GPSYesYes, with A-GPS
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GLONASSYesYes
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Beidou-Yes
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push Email-Push Mail
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Messaging Push MailPush Mail-
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, gyro, heart rateAccelerometer, barometer, compass, gyro, proximity
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Browser
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HTML-HTML5
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity273 mAh3080 mAh
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Battery removableNon-removableNon-removable
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Talk time--
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Standby time18 h-
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Main camera
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Main camera13 MP
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Primary camera resolution-4128 x 3096 pixels
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Primary camera video-2160p@30fps, 1080p@30fps, 720p@120fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera features-1.12 µm pixel size, 1/3'' sensor size, HDR, face/smile detection, geo-tagging, panorama, touch focus
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Selfie camera
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Selfie camera8 MP
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Selfie camera video-1080p@30fps