Cat S31 vs Oppo A9x
Cat S31
Oppo A9x
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900, CDMA 800
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3G networkHSDPA 850, 900, 1900, 2100 - EU; HSDPA 850, 900, 1700(AWS), 1900, 2100 - USAHSDPA 850, 900, 1700/2100, 2100, TD-SCDMA 1880-1920, 2010-2025
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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), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE Cat 13, 391.6 Mbps download, 150.7 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-92019-5
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Status2017-102019-5
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Design
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Build-Aluminium alloy, glass
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM/microSD)
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Height146 mm162 mm
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Width74.4 mm76.1 mm
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Thickness12.6 mm8.3 mm
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Weight200 g190 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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ColorsBlackWhite, black
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Display
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Display typeTFT capacitive touchscreenIPS capacitive touchscreen
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Physical size4.7 inches6.53 inches
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Resolution720 x 1280 pixels1080 x 2340 pixels
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Pixel density312 ppi395 ppi
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Display colors-16777216
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ProtectionCorning Gorilla Glass 32.5D curved glass screen, Scratch resistant
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz ARM Cortex-A7Quad-core 2.1 GHz Cortex-A73
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CPU(second)quad-core 1.95 GHz Cortex-A53
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ChipsetQualcomm MSM8909 Snapdragon 210MediaTek Helo P70
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GPUAdreno 304Mali-G72 MP3
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Memory RAM2 GB6 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)ColorOS 6 (Android 9.0 Pie)
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Main camera
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Camera type-Dual
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Main camera8 MP48 MP, f/1.7 , 1/2" , 0.8 µm
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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 video720p@30fps2160p@30fps
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashdual LED flash
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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, phase detection
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Selfie camera
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Selfie camera2 MP16 MP, f/2
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Selfie camera resolution-4608 x 3456 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, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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Wi-Fi display-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-GoYesYes
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Bluetoothv4.1v4.2
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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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Beidou-Yes
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BDSYes-
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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, proximity, light, gyroscope, fingerprint
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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 mAh4020 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-VOOC 3.0
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