Apple Watch 42mm (1st gen) vs Digma Linx A450 3G
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Apple Watch 42mm (1st gen)
Digma Linx A450 3G
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Network
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2G networkN/AGSM 900, 1800
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3G network-HSDPA 1900
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HSDPA speed-21 Mbps
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HSUPA speed-5.76 Mbps
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GPRSNoYes
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EDGENoYes
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Availability
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Oficially announced2014-92017
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Status2015-42017
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Design
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BuildStainless Steel/Ceramic back-
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SIMNoDual SIM (Micro-SIM, dual stand-by)
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Height42 mm133 mm
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Width35.9 mm67.5 mm
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Thickness10.5 mm11 mm
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Weight50 g135 g
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WaterproofIPX7 certified, 1 m and 30 minutes-
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ColorsBlack Link Bracelet, Blue/Stone/White/Storm Gray Leather Loop, Brown/Black/Blue/Marine Blue Buckle, Link Bracelet, Pearl Woven Nylon, Silver/Space Black Milanese Loop, Space Black Stainless Steel/Black, Stainless Steel/Red, WhiteBlack, White
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Display
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Display typeAMOLED capacitive touchscreenTFT
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Physical size1.65 inches4.5 inches
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Resolution390 x 312 pixels540 x 960 pixels
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Pixel density303 ppi245 ppi
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Display colors1677721616777216
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ProtectionSapphire crystal glass-
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MultitouchYesYes
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Display features3D Touch display, 450 nits-
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Hardware
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CPU520 MHz ARM Cortex-A71.2 GHz ARM Cortex-A7 Quad-core
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ChipsetApple S1Spreadtrum SC7731C
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GPUPowerVR SGX543Mali-400 MP2
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Memory RAM512 MB512 MB
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Internal storage8 GB4 GB
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Memory cardmicroSD, microSDHC
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Memory card max-32 GB
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OS
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OSwatchOS 1.0Android 6.0 Marshmallow
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; 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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Bluetoothv4.0v4.0
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Bluetooth A2DP-Yes
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bluetooth LEYes-
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NFCYes-
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push MailPush Mail-
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JavaNo-
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SensorsAccelerometer, gyro, heart rateAccelerometr, light, 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-Ion
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Battery capacity250 mAh1800 mAh
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Battery removableNon-removableRemovable
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Talk time 2G-8 h
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Talk time 3G-8 h
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Standby time18 h-
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Standby time 2G-150 h
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Standby time 3G-150 h
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Main camera
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Main camera2 MP
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Primary camera resolution-1600 x 1200 pixels
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Primary camera video-480p@30fps
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Primary camera flash-LED
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Camera features-Autofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, exposure compensation, self-timer, scene mode
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Selfie camera
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Selfie camera0.3 MP
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Selfie camera video-480p@30fps MP
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