Alcatel Idol 4s vs Xiaomi Redmi S2 (Redmi Y2)
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Alcatel Idol 4s
Xiaomi Redmi S2 (Redmi Y2)
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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, 1700(AWS), 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800), 28(700); LTE band 2(1900), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700)LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) - Global; LTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) - India; LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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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 announced2016-22018-5
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Status2016-22018-5
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Design
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Build-Front glass, plastic body
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height153.9 mm160.7 mm
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Width75.4 mm77.3 mm
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Thickness7 mm8.1 mm
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Weight149 g170 g
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ColorsDark Gray, Gold, Metal Silver, Rose GoldGold, Gray, Rose Gold
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.5 inches5.99 inches
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Resolution1440 x 2560 pixels720 x 1440 pixels
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Pixel density534 ppi269 ppi
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Display colors1677721616777216
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MultitouchYes, max 10 fingersYes
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Hardware
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CPUQuad-core 1.8 GHz ARM Cortex-A72Octa-core 2.0 GHz ARM Cortex-A53
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CPU(second)quad-core 1.4 GHz ARM Cortex-A53
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ChipsetQualcomm MSM8976 Snapdragon 652Qualcomm MSM8953 Snapdragon 625
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GPUAdreno 510Adreno 506
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Memory RAM3 GB3, 4 GB
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Internal storage32 GB32, 64 GB
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Memory cardmicroSDmicroSD
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Memory card max200 GB256 GB
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OS
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OSAndroid OS, v6.0.1 (Marshmallow)Android 8.1 (Oreo)
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Main camera
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Camera type-Dual
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Main camera16 MP, f/2.012 MP, f/2.2 , 1.25 µm
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5 MP
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Primary camera resolution-4000 x 3000 pixels
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Primary camera video2160p@30fps1080p@30fps
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Primary camera Autofocusphase detection autofocusphase detection autofocus
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Primary camera flashdual-LED (dual tone) flashLED flash
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Electronic image stabilization-EIS (gyro)
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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FlashLED flashLED flash
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Selfie camera8 MP16 MP
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Selfie camera resolution-4608 x 3456 pixels
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Secondary camera HDR-HDR
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Selfie camera video1080p-
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Earpiece-Yes
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0microUSB 2.0
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USB hostYes-
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Bluetoothv4.2v4.2
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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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GLONASS-Yes
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BDS-Yes
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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, gyro, 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 capacity3000 mAh3080 mAh
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Battery removableNon-removableNon-removable
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Talk time--
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Standby time--
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