Oppo Watch Stainless steel vs ZTE Blade A3 (2019)
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Oppo Watch Stainless steel
ZTE Blade A3 (2019)
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Network
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2G networkN/AGSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 2100HSDPA 850, 900, 1900
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)LTE frequency band 1(2100), 5(850), 8(900), 3(1800), 7(2600), 18(800), 38(2600)
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HSDPA speed-42 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE Cat 4, 150.8 Mbps download, 51 Mbps upload
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GPRS-Yes
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EDGE-Yes
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Availability
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Oficially announced2020-032019-4
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Status2020-032019-4
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Design
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BuildGlass front, stainless steel frame, ceramic/sapphire crystal backPlastic
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SIMeSIMNano-SIM
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Height46 mm137.35 mm
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Width39 mm67.5 mm
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Thickness11.4 mm10.5 mm
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Weight45.5 g144 g
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Waterproof5ATM-
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ECGECG certified-
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ColorsSilverBlack, Blue
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Display
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Display typeAMOLED flexible capacitive touchscreenIPS capacitive touchscreen
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Physical size1.91 inches5 inches
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Resolution402 x 476 pixels480 x 960 pixels
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Pixel density326 ppi215 ppi
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Display colors1677721616777216
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Multitouch-Yes
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Hardware
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CPUQuad-core 1.2 GHz Cortex-A7Quad-core 1.4 GHz Cortex-A53
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ChipsetQualcomm MSM8909W Snapdragon Wear 2500Spreadtrum SC9832E
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GPUAdreno 304Mali-T820 MP1
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Memory RAM1 GB1 GB
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Internal storage8 GB16 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-128 GB
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StorageeMMC 4.5-
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OS
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OSColorOS Watch OSAndroid 9.0 Pie
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Main camera
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Camera type-Single
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Primary cameraNo-
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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-720p@30fps
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Primary camera flash-LED flash
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Camera features-Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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Earpiece-Yes
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Multimedia
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RadioNoFM 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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USBNomicroUSB 2.0
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Bluetoothv4.2v4.2
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Bluetooth A2DPYesYes
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bluetooth AVRCP-Yes
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bluetooth FTP-Yes
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bluetooth GAVDP-Yes
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bluetooth HFP-Yes
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bluetooth OPP-Yes
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bluetooth LEYes-
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bluetooth GOEP-Yes
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bluetooth MAP-Yes
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bluetooth OBEX-Yes
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bluetooth PBAP-PBAP/PAB
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bluetooth HSP-Yes
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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BDSYes-
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Features
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SensorsAccelerometer, barometer, gyro, heart rateAccelerometer
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity430 mAh2000 mAh
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Battery removableNon-removableRemovable
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Wireless chargingYes-
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Cost
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Price450 USD-
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Selfie camera
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Selfie camera5 MP
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Selfie camera resolution-2560 x 1920 pixels
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Selfie camera video-480p@30fps
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Browser
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HTML-HTML5
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