Apple Watch Sport 38mm vs Celkon A40
Apple Watch Sport 38mm
Celkon A40
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Network
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2G networkGSM 900, 1800
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-92014-1
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Status2015-42014-1
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Design
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BuildAluminum-
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SIMNoDual SIM
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Height38.6 mm126.2 mm
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Width33.3 mm64 mm
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Thickness10.5 mm10.8 mm
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Weight62 g126.5 g
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ColorsBlue; Gold/White; Gray/Black; Rose Gold/Lavender, Orange, Silver/White, StoneBlue, White, Yellow
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Display
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Display typeAMOLED capacitive touchscreenTFT touchscreen
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Physical size1.5 inches4.0 inches
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Resolution340 x 272 pixels480 x 800 pixels
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Pixel density290 ppi233 ppi
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Display colors16777216-
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Hardware
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CPU520 MHz1.3 GHz Dual-core
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ChipsetApple S1-
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GPUPowerVR SGX543-
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Memory RAM512 MB512 MB
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Internal storage8 GB4 GB
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSwatchOS 1.0Android OS, v4.2.2 (Jelly Bean)
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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, 802.11nWi-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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Bluetoothv4.0Yes
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bluetooth LEYes-
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GPSNoYes
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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 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-Yes
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity205 mAh1500 mAh
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Battery removableNon-removable-
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Talk time3 h-
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Standby time18 h-
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Main camera
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Main camera5 MP
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Primary camera resolution-2592 x 1944 pixels
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Primary camera video-video
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Selfie camera
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Secondary camera-No
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