Apple Watch Sport 38mm (1st gen) vs Energizer Energy E20
Apple Watch Sport 38mm (1st gen)
Energizer Energy E20
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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), 28(700)
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HSPA speed-HSPA
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LTE speed-LTE
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GPRSNoYes
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EDGENoYes
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Availability
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Oficially announced2014-92017-11
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Status2015-42017-11
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Design
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BuildAluminum/Composite back-
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SIMNoHybrid Dual SIM (Nano-SIM, dual stand-by)
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Height38.6 mm103.2 mm
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Width33.3 mm51 mm
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Thickness10.5 mm18.2 mm
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Weight25 g92 g
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WaterproofIPX7 certified, 1 m and 30 minutes-
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ColorsApricot, Blue, Blue; Gray/Black; Rose Gold/Lavender, Orange, Pink/Royal Blue/Gold&Red/Black Woven Nylon, Royal Blue, Silver/White, Stone; Gold/White, YellowBlack
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Display
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Display typeAMOLED capacitive touchscreenTFT
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Physical size1.5 inches2.4 inches
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Resolution340 x 272 pixels240 x 320 pixels
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Pixel density290 ppi167 ppi
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Display colors16777216262144
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ProtectionIon-X strengthened glass-
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MultitouchYes-
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Display features3D Touch display, 450 nits-
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Hardware
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CPU520 MHz ARM Cortex-A7
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ChipsetApple S1-
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GPUPowerVR SGX543-
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Memory RAM512 MB-
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Internal storage8 GB-
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Memory cardmicroSD(uses second SIM slot)
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Memory card max-16 GB
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Phonebook-Yes
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Call records-Yes
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OS
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OSwatchOS 1.0-
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; RingtonesVibration; Polyphonic, MP3 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, 802.11n
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USBmicroUSB 2.0
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Bluetoothv4.0v2.0
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bluetooth LEYes-
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NFCYes-
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GPSNoNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push MailPush Mail-
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JavaNoNo
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SensorsAccelerometer, gyro, heart rate-
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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 mAh1000 mAh
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Battery removableNon-removable-
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Standby time18 h-
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Main camera
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Primary camera-VGA
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Primary camera video-no
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Camera features-No
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Selfie camera
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Secondary camera-No