Apple Watch Sport Series 2 42mm vs Energizer Energy S550
Apple Watch Sport Series 2 42mm
Energizer Energy S550
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G network-HSDPA 900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 7(2600), 20(800)
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HSDPA speed-42.2 Mbps
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HSUPA speed-11.5 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 announced2016-122017-12
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Status2017-12
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Design
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BuildAluminum/Ceramic backPlastic, metal
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SIMNoHybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
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Height42.5 mm154.8 mm
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Width36.4 mm78.2 mm
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Thickness11.4 mm8.8 mm
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Weight34.2 g180 g
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Waterproof50m-
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ColorsCase colors: silver, black; Band types: sport, blue, brown, gold, gray; Band colors: gray, orange, rose gold, white, woven nylonBlack
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size1.65 inches5.5 inches
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Resolution390 x 312 pixels720 x 1280 pixels
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Pixel density303 ppi267 ppi
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Display colors1677721616777216
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ProtectionIon-X strengthened glass-
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MultitouchYesYes, max 2 fingers
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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 1.3 GHz ARM Cortex-A53
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ChipsetApple S2Mediatek MT6737
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GPUPowerVR G6200Mali-T720
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Memory RAM512 MB1 GB
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Internal storage8 GB8 GB
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Memory cardmicroSD(uses second SIM slot)
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Memory card max-64 GB
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OS
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OSwatchOS 3.0Android 6.0 (Marshmallow)
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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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Earpiece-Yes
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFCYes-
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GPSYesYes, with A-GPS
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GLONASSYes-
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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 Email
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Messaging Push MailPush Mail-
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JavaNo-
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SensorsAccelerometer, gyro, heart rateAccelerometer, 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 capacity334 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Talk time 3G-10 h
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Standby time 3G-400 h
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Main camera
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Main camera13 MP
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video-720p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, face detection, touch focus
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Selfie camera
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Selfie camera5 MP
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Selfie camera resolution-2560 x 1920 pixels
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