Cat S31 vs vivo V15 Pro
Cat S31
vivo V15 Pro
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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, 1900, 2100 - EU; HSDPA 850, 900, 1700(AWS), 1900, 2100 - USAHSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - EU; LTE frequency band 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700) - USALTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800)
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE, Cat12, 603 Mbps download, 102 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-92019-2
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Status2017-102019-3
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Design
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Build-Aluminium alloy, polycarbonate
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height146 mm157.3 mm
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Width74.4 mm74.7 mm
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Thickness12.6 mm8.2 mm
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Weight200 g185 g
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WaterproofIP68, 1.2 m and 35 minutes-
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Dust proofIP68-
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MIL-STD-810GYes - dust, humidity, rain, salt, vibration, solar radiation, transport and thermal shock resistant-
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ColorsBlackBlue, Red
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Display
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Display typeTFT capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size4.7 inches6.39 inches
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Resolution720 x 1280 pixels1080 x 2316 pixels
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Pixel density312 ppi400 ppi
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Display colors-16777216
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ProtectionCorning Gorilla Glass 32.5D curved glass screen
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MultitouchYesYes
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Display features-DCI-P3
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz ARM Cortex-A7Dual-core 2.0 GHz Kryo 460 Gold
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CPU(second)Hexa-core 1.7 GHz Kryo 460 Silver
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ChipsetQualcomm MSM8909 Snapdragon 210Qualcomm SDM675 Snapdragon 675
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GPUAdreno 304Adreno 612
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Memory RAM2 GB6, 8 GB
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Internal storage16 GB128 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max64 GB256 GB
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OS
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OSAndroid 7.0 (Nougat)Funtouch 9 (Android 9.0 Pie)
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Main camera
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Camera type-Triple
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Main camera8 MP48 MP, f/1.8 , 1/2" , 0.8 µm
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8 MP, 13 mm
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5 MP, f/2.4
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video720p@30fps2160p@30fps, 1080p@30fps
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED flash
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Primary camera phase detection autofocus-phase detection autofocus
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Camera featuresGeo-tagging, face detection, touch focusAutofocus, continuous shooting, digital zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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Selfie camera2 MP32 MP, f/2.0
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Selfie camera resolution-6560 x 4928 pixels
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Selfie camera video-1080p@30fps
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Sound
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3.5mm jackYesYes
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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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Radio-No
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Radio FMFM 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, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.1v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDR-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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BDSYesYes
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaNo-
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SensorsAccelerometer, compass, proximityAccelerometer, compass, fingerprint, gyro, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity4000 mAh3700 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
