Oppo A1k vs Samsung Galaxy Watch 4 44mm
Oppo A1k
Samsung Galaxy Watch 4 44mm
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkWCDMA 850, 900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 28(700), 38(2600), 40(2300), 41(2500)LTE frequency band 1, 3, 5, 7, 8, 20
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LTE speedLTE Cat 4, 150.8 Mbps download, 51 Mbps upload-
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GPRSYes-
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EDGEYes-
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Availability
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Oficially announced2019-42021-08
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Status2019-52021-08
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Design
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BuildPlastic bodyGlass front (Gorilla Glass DX+), aluminum frame
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SIMDual SIM (Nano-SIM, dual SIM stand-by)eSIM
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Height154.5 mm44.4 mm
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Width73.8 mm43.3 mm
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Thickness8.4 mm9.8 mm
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Weight170 g30.3 g
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Payment-Samsung Pay
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Waterproof-IP68, 50m
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MIL-STD-810G-Yes
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ColorsBlack, RedBlack, Green, Silver
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Display
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Display typeIPS capacitive touchscreenSuper AMOLED
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Physical size6.1 inches1.4 inches
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Resolution720 x 1560 pixels450 x 450 pixels
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Pixel density282 ppi330 ppi
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Display colors16777216-
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Protection2.5D curved glass screen, scratch resistant, Corning Gorilla Glass 3Corning Gorilla Glass DX+
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MultitouchYes-
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Display features-Always-on display
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Hardware
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CPUOcta-core-
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CPUQuad-core 2 GHz Cortex-A53Dual-core 1.18 GHz Cortex-A55
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CPU(second)quad-core 1.5 GHz Cortex-A53
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ChipsetMediatek Helio P22 (MT6762)Exynos W920
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GPUPowerVR GE8320Mali-G68
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Memory RAM2 GB1.5 GB
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Internal storage32 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXC-
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Memory card max256 GB-
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Storage-eMMC
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OS
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OSColorOS 6.0 (Android 9.0 Pie)Android Wear OS, One UI Watch 3
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Main camera
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Camera typeSingle-
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Main camera8 MP, f/2.2 , 1/3.2" , 1.4 µm
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Primary camera-No
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Primary camera resolution3264 x 2448 pixels-
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Primary camera video1080p@30fps-
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Primary camera flashLED flash-
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection-
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Selfie camera
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Selfie camera5 MP, f/2 , 1/5" , 1.12 µm
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Selfie camera resolution2560 x 1920 pixels-
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Selfie camera video720p@30fps-
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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EarpieceYes-
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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Wi-Fi displayYes-
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0No
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USB On-The-GoYes-
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesA2DP
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bluetooth LE-LE
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEO-Yes
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BeidouYes-
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BDS-Yes
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Features
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SensorsAccelerometer, proximity, light, compass, fingerprintAccelerometer, barometer, gyro, heart rate
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Browser
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HTMLHTML5No
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4000 mAh361 mAh
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Battery removableNon-removableNon-removable
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Wireless charging-Qi
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Cost
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Price-320 USD
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