Celkon A21 vs Sony SmartWatch 3 SWR50
Celkon A21
Sony SmartWatch 3 SWR50
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Network
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2G networkGSM 900, 1800
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3G networkHSDPA 2100-
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HSDPA speedHSDPA-
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-122014-2
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Status2014-122014-10
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Design
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Build-Stainless Steel
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SIMDual SIM (dual stand-by)No
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Height124.8 mm51 mm
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Width66.1 mm36 mm
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Thickness10.8 mm10 mm
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Weight115.3 g76 g
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ColorsBlack, Blue, RedBlack, Leather Black, Leather Brown, Silver, Yellow
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Display
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Display typeCapacitive touchscreenTFT capacitive touchscreen
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Physical size4.0 inches1.6 inches
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Resolution320 x 480 pixels320 x 320 pixels
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Pixel density144 ppi283 ppi
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Display colors-66560
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Hardware
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CPUDual-core 1.2 GHzQuad-core 1.2 GHz ARM Cortex-A7
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ChipsetMediatek MT6582-
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Memory ROM512 MB-
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Memory RAM256 MB512 MB
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Internal storage-4 GB
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Memory cardmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v4.2.2 (Jelly Bean)Android Wear OS
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Main camera
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Main camera3.15 MP
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Primary camera videovideo-
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Selfie camera
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-FiWi-Fi 802.11b, 802.11g
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USBYesYes
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Bluetoothv4.0v4.0
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GPSNoYes
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IM-IM
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer, compass, gyro
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Browser
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HTMLYes-
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Browser-No
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1500 mAh420 mAh
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Battery removable-Non-removable
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Talk time-48 h
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Talk time 3G8 h-
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Standby time-96 h
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Standby time 3G120 h-
