Samsung Galaxy Watch 4 Classic 42mm vs TECNO Spark 3
Samsung Galaxy Watch 4 Classic 42mm
TECNO Spark 3
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 3, 5, 7, 8, 20-
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRS-Yes
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EDGE-Yes
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Availability
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Oficially announced2021-082019-4
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Status2021-082019-4
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Design
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BuildGlass front (Gorilla Glass DX), stainless steel frame 316L or titanium frame-
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SIMeSIMDual SIM (Nano-SIM, dual stand-by)
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Height41.5 mm155.3 mm
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Width41.5 mm75.8 mm
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Thickness11.2 mm8.2 mm
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Weight46.5 g-
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PaymentSamsung Pay-
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WaterproofIP68, 50m-
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MIL-STD-810GYes-
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ColorsBlack, SilverBlack, Blue, Gold, Red
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Display
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Display typeSuper AMOLEDIPS LCD
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Physical size1.19 inches6.2 inches
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Resolution396 x 396 pixels720 x 1500 pixels
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Pixel density330 ppi268 ppi
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Display colors-16777216
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ProtectionCorning Gorilla Glass DX-
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Multitouch-Yes
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Display featuresRotating bezel, Always-on display-
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Hardware
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CPUDual-core 1.18 GHz Cortex-A55Quad-core 2.0 GHz Cortex-A53
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ChipsetExynos W920Mediatek MT6761 Helio A22
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GPUMali-G68PowerVR GE8320
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Memory RAM1.5 GB2 GB
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Internal storage16 GB16 GB
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Memory card-microSD, microSDHC, microSDXC
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StorageeMMC-
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OS
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OSAndroid Wear OS, One UI Watch 3HiOS 5.0 (Android 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 camera13 MP
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Primary camera video-1080p@30fps
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Primary camera flash-dual-LED flash
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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Multimedia
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RadioNoFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 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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WLAN WiFi Dual BandYes-
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USBNomicroUSB 2.0
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Bluetoothv5.0v5.0
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Bluetooth A2DPA2DPYes
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bluetooth LELEYes
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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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GALILEOYes-
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BDSYes-
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Features
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SensorsAccelerometer, barometer, gyro, heart rateAccelerometer, fingerprint, proximity
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Browser
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HTMLNoHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity247 mAh3500 mAh
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Battery removableNon-removableNon-removable
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Wireless chargingQi-
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Cost
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Price440 USD-
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Selfie camera
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Selfie camera8 MP
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