Cat S31 vs Sharp Aquos R2 compact
Cat S31
Sharp Aquos R2 compact
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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 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
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE, Cat18, 1.2 Gbps download, 221 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-92018-11
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Status2017-102019-01
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Design
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Build-Front glass, aluminum frame, plastic back
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Nano-SIM
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Height146 mm131 mm
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Width74.4 mm64 mm
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Thickness12.6 mm9.3 mm
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Weight200 g135 g
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WaterproofIP68, 1.2 m and 35 minutesIP68, 1.5m and 30 minutes
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Dust proofIP68IP68
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MIL-STD-810GYes - dust, humidity, rain, salt, vibration, solar radiation, transport and thermal shock resistant-
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ColorsBlackBlack, Green, White
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Display
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Display typeTFT capacitive touchscreenIGZO IPS capacitive touchscreen
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Physical size4.7 inches5.2 inches
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Resolution720 x 1280 pixels1080 x 2280 pixels
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Pixel density312 ppi485 ppi
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Display colors-16777216
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ProtectionCorning Gorilla Glass 3Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
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MultitouchYesYes
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Display features-120 Hz, HDR10, 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-A7Quad-core 2.6 GHz Kryo 385 Gold
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CPU(second)quad-core 1.7 GHz Kryo 385 Silver
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ChipsetQualcomm MSM8909 Snapdragon 210Qualcomm SDM845 Snapdragon 845
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GPUAdreno 304Adreno 630
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Memory RAM2 GB4 GB
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Internal storage16 GB64 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max64 GB512 GB
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OS
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OSAndroid 7.0 (Nougat)Android 9.0 Pie
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Main camera
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Main camera8 MP22.6 MP, f/1.9 , 22 mm
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Primary camera resolution-5488 x 4112 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 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
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Selfie camera
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Selfie camera2 MP8 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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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 2.0Type-C 1.0 reversible connector (PowerDelivery 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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NFC-Yes
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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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BDSYes-
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QZSS-Yes
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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, gyroscope, fingerprint, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity4000 mAh2500 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Qualcomm Quick Charge 3.0