LG G Watch W100 vs vivo Y31
LG G Watch W100
vivo Y31
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 900, 2100
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HSPA speed-HSPA
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-62015-9
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Status2014-62015-10
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Design
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SIMNoDual SIM
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Height46.5 mm137.2 mm
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Width37.9 mm68.8 mm
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Thickness10 mm8.4 mm
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Weight63 g137 g
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ColorsBlack Titan, White GoldBlack, White
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size1.65 inches4.7 inches
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Resolution280 x 280 pixels720 x 1280 pixels
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Pixel density240 ppi312 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A7Quad-core 1.3 GHz
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ChipsetQualcomm Snapdragon 400Mediatek MT6580
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GPUAdreno 305-
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Memory RAM512 MB1 GB
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Internal storage4 GB8 GB
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Memory cardmicroSD
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Memory card max-128 GB
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OS
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OSAndroid Wear OSAndroid OS, v5.1 (Lollipop)
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV 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
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USBmicroUSB 2.0
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Bluetoothv4.0Yes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS(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 Mail-Push Mail
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JavaNoNo
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SensorsAccelerometer, compass, gyroAccelerometer, 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-Po
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Battery capacity400 mAh2100 mAh
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Battery removableNon-removable-
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Talk time24 h-
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Standby time--
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Main camera
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Main camera8 MP
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Primary camera resolution-3264 x 2448 pixels
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Primary camera video-video
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Primary camera flash-LED flash
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Camera features-Geo-tagging, HDR, touch focus
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Selfie camera
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Selfie camera2 MP