Apple Watch Sport Series 1 38mm vs Yezz Classic C21
Apple Watch Sport Series 1 38mm
Yezz Classic C21
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Network
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2G networkGSM 850, 900, 1800, 1900
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GPRSYes
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EDGE
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Availability
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Oficially announced2016-92014-3
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Status2016-122014-4
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Design
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BuildAluminum/Composite back-
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SIMNoDual SIM (Mini-SIM)
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Height38.6 mm106 mm
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Width33.3 mm45 mm
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Thickness10.5 mm14.5 mm
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Weight25 g73 g
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WaterproofIPX7, up to 1 m and 30 minutes-
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ColorsCase colors: silver, black, gold, gray; Band colors: gray, pink; Band types: sport, rose gold, whiteBlack, Blue, Gray, Green, Purple, Red, White
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Display
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Display typeAMOLED capacitive touchscreenTFT
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Physical size1.5 inches1.8 inches
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Resolution340 x 272 pixels128 x 160 pixels
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Pixel density290 ppi114 ppi
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Display colors1677721666560
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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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CPUDual-core 520 MHz ARM Cortex-A7
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ChipsetApple S1P-
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GPUPowerVR G6200-
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Memory RAM512 MB-
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Internal storage8 GB64 MB
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Memory cardmicroSD
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Memory card max-8 GB
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OS
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OSwatchOS 3.0-
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; RingtonesVibration; ringtones
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBYes
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Bluetoothv4.0v2.1
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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 MMS-MMS
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Messaging EmailEmail-
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Messaging IMIMIM
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Messaging Push MailPush Mail-
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WAP-Yes
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JavaNoNo
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SensorsAccelerometer, gyro, heart rate-
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Browser
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity205 mAh600 mAh
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Battery removableNon-removable-
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Talk time3 h4 h
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Standby time18 h150 h
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Main camera
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Primary camera resolution-640 x 480 pixels
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Primary camera video-no
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Selfie camera
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Secondary camera-No
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