Samsung Galaxy Alpha (S801) vs Xiaomi Redmi 4 (China)
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Samsung Galaxy Alpha (S801)
Xiaomi Redmi 4 (China)
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800, 1900
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3G networkHSDPAHSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA
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4G networkLTELTE frequency band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speedHSDPA Mbps-
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HSUPA speedHSUPA-
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HSPA speed-HSPA
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LTE speed-LTE
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LTE-A speedLTE-A, Cat6, 300 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 announced2014-82016-11
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Status2014-92016-11
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Design
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SIMNano-SIMDual SIM
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Height132.4 mm141.3 mm
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Width65.5 mm69.6 mm
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Thickness6.7 mm8.9 mm
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Weight115 g156 g
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ColorsCharcoal Black, Dazzling White, Frosted Gold, Scuba Blue, Sleek SilverDark Gray, Gold, Silver
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Display
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Display typeSuper AMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.7 inches5.0 inches
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Resolution720 x 1280 pixels720 x 1280 pixels
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Pixel density312 ppi296 ppi
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Display colors1677721616777216
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Multitouch-Yes
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Hardware
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CPUQuad-core 2.5 GHz Krait 400Octa-core 1.4 GHz ARM Cortex-A53
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ChipsetQualcomm MSM8974AC Snapdragon 801Qualcomm MSM8937 Snapdragon 430
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GPUAdreno 330Adreno 505
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Internal storage32 GB16 GB
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Memory RAM2 GB2 GB
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Memory cardmicroSD(uses second SIM slot)
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Memory card max-256 GB
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OS
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OSAndroid OS, v4.4.4 (KitKat)Android 6.0.1 (Marshmallow)
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Main camera
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Main camera12 MP13 MP, f/2.2
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Primary camera resolution4128 x 3096 pixels-
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Primary camera video2160p@30fps, 1080p@60fps, 720p@120fps1080p@30fps
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Primary camera Autofocusautofocusphase detection autofocus
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Primary camera flashLED flashLED flash
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Camera features-Geo-tagging, HDR, face/smile detection, panorama, touch focus
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Selfie camera
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Selfie camera2.1 MP5 MP, f/2.2
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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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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11a, 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 BandYesYes
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WLAN DLNAYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDRYes-
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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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GPS NavigatorBeidou-
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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 Mail-
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Messaging Push Mail-Push Mail
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JavaYes, via Java MIDP emulatorNo
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Sensors-Fingerprint (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 capacity1860 mAh4100 mAh
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Battery removable-Non-removable
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Fast battery charging-Yes
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Talk time--
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Standby time--
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