Apple Watch Series 7 Aluminum 41mm Cellular vs UMIDIGI A3S
Apple Watch Series 7 Aluminum 41mm Cellular
UMIDIGI A3S
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100W-CDMA 850, 900, 1700, 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(850), 19(850), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500)
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LTE speed-LTE Cat 4, 150 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 announced2021-092019-11
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Status2021-102019-11
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Design
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BuildGlass front, ceramic/sapphire crystal back, aluminum frameMetal, glass
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SIMeSIMDual SIM (Nano-SIM, dual SIM stand-by)
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Height41 mm153.7 mm
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Width35 mm72.9 mm
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Thickness10.7 mm8.45 mm
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Weight32 g197 g
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WaterproofIP6X (50m)-
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Dust proofIP6X-
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ColorsBlue, Green, Midnight, Red, StarlightGreen, Grey
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Display
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Display typeRetina LTPO OLEDIPS capacitive touchscreen
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Physical size1.69 inches5.7 inches
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Resolution430 x 352 pixels720 x 1440 pixels
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Pixel density326 ppi282 ppi
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Display colors-16777216
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ProtectionIon-X strengthened glass2.5D curved glass screen, Scratch resistant
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Multitouch-Yes
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Display featuresAlways-on display, 1000 nits (peak)-
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Hardware
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CPUDual-coreQuad-core 2.0 GHz Cortex-A53
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ChipsetApple S7MediaTek Helio A22 (MT6761)
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GPUPowerVRPowerVR GE8300
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Internal storage32 GB16 GB
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Memory RAM-2 GB
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Memory card-microSD, microSDHC, microSDXC
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Memory card max-128 GB
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OS
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OSwatchOS 8.0, upgradable to 8.1Android 10
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Main camera
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Camera type-Dual
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Primary cameraNo-
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Main camera16 MP, f/2.0 , 0.26" , 1.132 µm
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5 MP
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Primary camera resolution-4608 x 3456 pixels
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Primary camera video-1080p@30fps
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Primary camera flash-dual LED flash
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Camera features-Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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Wi-Fi display-Yes
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WLAN WiFi Dual BandYesYes
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USBNomicroUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv5.0v5.0
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Bluetooth A2DPA2DPYes
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bluetooth HID-Yes
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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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GLONASSYesYes
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GALILEOYesYes
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Beidou-Yes
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BDSYes-
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QZSSYes-
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Features
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SensorsAccelerometer, always-on altimeter, barometer, compass, gyro, heart rate, SpO2, VO2maxAccelerometer, compass, fingerprint, gyroscope, proximity, light
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Browser
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HTMLNoHTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity284 mAh3950 mAh
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Battery removableNon-removableNon-removable
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Wireless chargingYes-
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SAR value
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SAR(head)1.10 W/kg-
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SAR EU(head)0.70 W/kg-
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SAR EU(body)1.50 W/kg-
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Cost
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Price500 USD70 USD
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Selfie camera
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Selfie camera13 MP, f/2.0
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Selfie camera resolution-4160 x 3120 pixels
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Selfie camera video-1080p@30fps
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