Cat S31 vs Xiaomi Redmi Note 5 AI Dual Camera
Cat S31
Xiaomi Redmi Note 5 AI Dual Camera
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA - China
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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), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China; LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) - Indonesia, Malaysia, Hong Kong, Vietnam; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300) - Taiwan
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HSPA speed-HSPA
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-92018-3
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Status2017-102018-3
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Design
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Build-Front glass, aluminum body
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height146 mm158.6 mm
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Width74.4 mm75.4 mm
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Thickness12.6 mm8.1 mm
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Weight200 g181 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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ColorsBlackBlack, Blue, Gold, Rose Gold
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.7 inches5.99 inches
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Resolution720 x 1280 pixels1080 x 2160 pixels
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Pixel density312 ppi403 ppi
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Display colors-16777216
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ProtectionCorning Gorilla Glass 3Corning Gorilla Glass
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7Octa-core 1.8 GHz Kryo 260
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ChipsetQualcomm MSM8909 Snapdragon 210Qualcomm SDM636 Snapdragon 636
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GPUAdreno 304Adreno 509
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Memory RAM2 GB3, 4, 6 GB
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Internal storage16 GB32, 64 GB
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Memory cardmicroSDmicroSD(uses second SIM slot)
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Memory card max64 GB256 GB
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OS
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OSAndroid 7.0 (Nougat)Android 8.0 (Oreo)
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Main camera
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Camera type-Dual
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Camera type-Photo / Video
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Main camera8 MP12 MP, f/1.9 , 1.4 µm
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5 MP, f/2.0 , 1.25 µm
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Primary camera video720p@30fps1080p@30fps
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Primary camera Autofocusautofocusdual pixel phase detection autofocus
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Primary camera flashLED flashdual-LED flash
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Camera featuresGeo-tagging, face detection, touch focusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Selfie camera2 MP13 MP, f/2.0 , 1.12 µm
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Selfie camera video-1080p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioFM 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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Infrared-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)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush EmailPush Email
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JavaNo-
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SensorsAccelerometer, compass, proximityFingerprint (rear-mounted), accelerometer, compass, 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 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Quick Charge 2.0
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