Apple Watch 38mm (1st gen) vs Energizer Energy E520 LTE
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Apple Watch 38mm (1st gen)
Energizer Energy E520 LTE
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Network
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2G networkN/AGSM 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), 8(900), 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 announced2014-92017-9
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Status2015-52017-9
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Design
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BuildStainless Steel/Ceramic backPlastic, metal
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SIMNoHybrid Dual SIM (Nano-SIM, dual stand-by)
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Height38.6 mm150.8 mm
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Width33.3 mm76.2 mm
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Thickness10.5 mm11.1 mm
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Weight40 g206 g
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WaterproofIPX7 certified, 1 m and 30 minutesIP68 certified, 1.5 m and 30 minutes
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Dust proof-IP68
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MIL-STD-810G-Yes
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ColorsBlack Link Bracelet, Blue/Stone Leather Loop, Brown/Black/Blue/Red/Marigold/Jay Buckle, Link Bracelet, Pearl Woven Nylon, Silver/Space Black Milanese Loop, Space Black Stainless Steel/Black, Stainless Steel/Red, WhiteBlack
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Display
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Display typeAMOLED capacitive touchscreenLTPS IPS LCD capacitive touchscreen
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Physical size1.5 inches5.2 inches
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Resolution340 x 272 pixels720 x 1280 pixels
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Pixel density290 ppi282 ppi
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Display colors1677721616777216
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ProtectionSapphire crystal glassCorning Gorilla Glass 3
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MultitouchYesYes, max 5 fingers
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Display features3D Touch display, 450 nits-
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Hardware
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CPU520 MHz ARM Cortex-A71.3 GHz ARM Cortex-A53 Quad-core
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ChipsetApple S1Mediatek MT6737
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GPUPowerVR SGX543Mali-T720
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Memory RAM512 MB2 GB
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Internal storage8 GB16 GB
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Memory cardmicroSD(uses second SIM slot)
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Memory card max-32 GB
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OS
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OSwatchOS 1.0Android 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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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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USBmicroUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DP-Yes
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bluetooth LEYesYes
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NFCYes-
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GPSNoYes, with A-GPS
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GLONASS-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 Email
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Messaging Push MailPush Mail-
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JavaNo-
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SensorsAccelerometer, gyro, heart rateFingerprint (rear-mounted), accelerometer, compass, 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 capacity205 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Talk time 3G-15 h
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Standby time18 h-
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Standby time 3G-220 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-1080p@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, HDR, face detection, panorama, 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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