Apple Watch 40mm Series 4 Aluminum No LTE vs vivo Y51s
Apple Watch 40mm Series 4 Aluminum No LTE
vivo Y51s
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Network
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2G networkNoGSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
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3G networkNoHSDPA 850, 900, 1700(AWS), 2100
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4G networkNoLTE frequency band 1, 3, 4, 5, 8, 34, 38, 39, 40, 41
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5G network-5G band 1, 41, 78; SA/NSA
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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 Cat 4, 150.8 Mbps download, 51 Mbps upload
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5G speed-3.6+ Gbps download
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GPRSNoYes
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EDGENoYes
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Availability
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Oficially announced2018-92020-07
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Status2018-92020-07
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Design
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BuildAluminum frame; all-ceramic/sapphire crystal backPlastic
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SIMNoDual SIM (Nano-SIM, dual stand-by)
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Height40 mm162 mm
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Width34 mm76.6 mm
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Thickness10.7 mm8.5 mm
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Weight30 g190 g
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Waterproof50m-
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ColorsGray, Gold, SilverBlack, Blue, White
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Display
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Display typeLTPO AMOLEDIPS LCD capacitive touchscreen
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Physical size1.57 inches6.53 inches
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Resolution394 x 324 pixels1080 x 2340 pixels
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Pixel density326 ppi395 ppi
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Display colors1677721616777216
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ProtectionIon-X strengthened glass-
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MultitouchYes-
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Display features3D Touch display, 1000 nits-
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Hardware
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CPU-Octa-core
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CPUDual-coreDual-core 2.0 GHz Cortex-A77
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CPU(second)Hexa-core 1.8 GHz Cortex-A76
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ChipsetApple S4Exynos 880
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GPUPowerVRMali-G76
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Internal storage16 GB128 GB
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Memory RAM-6 GB
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Memory card-No
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Storage-UFS 2.1
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OS
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OSwatchOS 5.0Funtouch 10.5 OS (Android 10)
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Main camera
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Camera type-Triple
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Primary cameraNo-
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Main camera48 MP, f/1.8 , 25 mm, 1/2.0" , 0.8 µm
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2 MP, f/2.4
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2 MP, f/2.4
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video-4K@30fps, 1080p@30fps; gyro-EIS
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Primary camera flash-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, macro-mode, phase detection autofocus, RAW
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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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Earpiece-Yes
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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, 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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WLAN WiFi Dual Band-Yes
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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 A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-aptX HD
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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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GALILEOYesYes
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BDS-Yes
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QZSSYes-
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Features
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SensorsAccelerometer, barometer, gyro (second gen), heart rateAccelerometer, compass, gyroscope, proximity
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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 capacity-4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Talk time 4G-16.7 h
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Standby time18 h-
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Standby time 4G-312 h
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Selfie camera
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Selfie camera8 MP, f/2.0
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera video-1080p@30fps
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Cost
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Price-240 USD
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