Cat S31 vs Xiaomi Redmi 2 Pro
Cat S31
Xiaomi Redmi 2 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 band 2(1900), 4(1700/2100), 7(2600)
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-92015-10
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Status2017-102015-10
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Design
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Dual SIM
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Height146 mm134 mm
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Width74.4 mm67 mm
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Thickness12.6 mm9 mm
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Weight200 g133 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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ColorsBlackDark Gray
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.7 inches4.7 inches
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Resolution720 x 1280 pixels720 x 1280 pixels
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Pixel density312 ppi312 ppi
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Display colors-16777216
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ProtectionCorning Gorilla Glass 3-
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7Quad-core 1.2 GHz ARM Cortex-A53
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ChipsetQualcomm MSM8909 Snapdragon 210Qualcomm MSM8916 Snapdragon 410
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GPUAdreno 304Adreno 306
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Memory RAM2 GB2 GB
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Internal storage16 GB16 GB
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Memory cardmicroSDmicroSD
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Memory card max64 GB32 GB
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OS
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OSAndroid 7.0 (Nougat)Android OS, v4.4.4 (KitKat)
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Main camera
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Main camera8 MP8 MP, f/2.2 , 28 mm
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Primary camera video720p@30fps1080p@30fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, face detection, touch focus1.4 µm pixel size, HDR, face/smile detection, geo-tagging, touch focus
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Selfie camera
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Selfie camera2 MP2 MP
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Selfie camera video-720p
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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 radioStereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYes-
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USB host-Yes
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Bluetoothv4.1v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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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 Email-
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Messaging Push Mail-Push Mail
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JavaNoNo
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SensorsAccelerometer, compass, proximityAccelerometer, 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 mAh2200 mAh
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Battery removableNon-removableRemovable
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Talk time--
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Standby time--
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