Huawei Watch 2 2018 vs vivo X51 5G
Huawei Watch 2 2018
vivo X51 5G
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 900, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 39(1900), 41(2500)LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66
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5G network-5G band 1, 3, 7, 8, 28, 38, 41, 77, 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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HSPA speedHSPA-
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LTE speedLTELTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-52020-09
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Status2018-52020-10
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Design
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Build-Glass front, glass back, aluminum frame
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SIMNano-SIM or e-SIM or SIM-lessDual SIM (Nano-SIM, dual stand-by)
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Height48.9 mm158.5 mm
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Width45 mm72.8 mm
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Thickness12.6 mm8 mm
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Weight57 g181.5 g
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WaterproofIP68, 1.5m and 30 minutes-
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Dust proofIP68-
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ColorsCarbon Black, Concrete Grey, Dynamic OrangeGray
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Display
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Display typeAMOLED capacitive touchscreenAMOLED
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Physical size1.2 inches6.56 inches
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Resolution390 x 390 pixels1080 x 2376 pixels
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Pixel density326 ppi398 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla GlassScratch resistant
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MultitouchYes-
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Display features-90Hz, HDR10+
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DxOMark display score-87
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.1 GHz ARM Cortex-A7Single-core 2.4 GHz Kryo 475 Prime
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CPU(second)Single-core 2.2 GHz Kryo 475 Gold
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CPU(third)Hexa-core 1.8 GHz Kryo 475 Silver
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ChipsetQualcomm MSM8909W Snapdragon Wear 2100Qualcomm SM7250 Snapdragon 765G
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GPUAdreno 304Adreno 620
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Memory RAM768 MB8 GB
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Internal storage4 GB256 GB
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Memory cardNo
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Storage-UFS 2.1
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OS
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OSAndroid Wear OS 2.0Android 10, Funtouch 10.0
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV 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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USBType-C 2.0
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USB On-The-Go-Yes
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Bluetoothv4.1v5.1
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Bluetooth A2DP-Yes
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bluetooth LEYesYes
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Bluetooth EDRYes-
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Bluetooth AptX-aptX HD
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NFCYesYes
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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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BDS-Yes
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Features
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Messaging SMSSMS-
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Messaging EmailEmail-
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Messaging IMIM-
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SensorsAccelerometer, barometer, compass, gyro, heart rateAccelerometer, color spectrum, compass, fingerprint, gyroscope, proximity
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Browser
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HTML-HTML5
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity420 mAh4315 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesVivo FlashCharge (57% in 30 min)
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Standby time48 h-
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DxOMark autonomy-45
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DxOMark charging-80
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DxOMark efficiency-68
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DxOMark battery score-60
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Main camera
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Camera type-Quad
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Main camera(wide) , 48 MP, f/1.6 , 1/1.2" , 0.8 µm
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(periscope telephoto) , 8 MP, f/3.4 , 135 mm, 1/4.0" , 5x optical zoom
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(portrait) , 13 MP, f/2.5 , 50 mm, 1/2.8" , 0.8 µm, 2x optical zoom
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(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm, 1/4.0" , 1.12 µm
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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-dual-LED dual-tone flash
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Camera features-Autofocus, continuous shooting, digital zoom, digital image stabilization, optical 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
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DxOMark photo-117
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DxOMark zoom-67
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DxOMark video-102
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DxOMark camera score-114
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Selfie camera
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Selfie camera type-Single
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Selfie camera(wide) , 32 MP, f/2.5 , 26 mm, 1/2.8" , 0.8 µm
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Selfie camera resolution-6528 x 4896 pixels
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Selfie camera features-Face unlock
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Selfie camera video-1080p@30fps
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DxOMark photo-82
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DxOMark video-78
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DxOMark camera score-81
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Tests and performance
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Antutu-333912 (v8)
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Geekbench(single-core)-672 (v5.2)
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Geekbench(multi-core)-1969 (v5.2)
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Cost
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Price-940 USD
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