Asus Zenfone Selfie ZD551KL vs Coolpad Cool S1
Asus Zenfone Selfie ZD551KL
Coolpad Cool S1
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA
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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 announced2015-62016-12
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Status20152017-1
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM
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Height156.5 mm151.4 mm
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Width77.2 mm74.7 mm
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Thickness10.8 mm7.5 mm
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Weight170 g168 g
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ColorsAqua Blue, Chic Pink, Pure WhiteGold
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Display
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Display typeIPS capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.5 inches5.5 inches
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Resolution1080 x 1920 pixels1080 x 1920 pixels
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Pixel density403 ppi401 ppi
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Display colors1677721616777216
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Multitouch-Yes
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Hardware
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CPU-Quad-core
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CPUQuad-core ARM Cortex-A53Dual-core Kryo 2.35 GHz
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CPU(second)quad-core ARM Cortex-A53dual-core Kryo 1.6 GHz
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ChipsetQualcomm MSM8939 Snapdragon 615Qualcomm MSM8996 Snapdragon 821
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GPUAdreno 405Adreno 530
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Memory RAM2, 3 GB4, 6 GB
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Internal storage16, 32 GB64, 128 GB
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Memory cardmicroSD
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Memory card max64 GB-
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OS
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OSAndroid OS, v5.0 (Lollipop)Android OS, v6.0.1 (Marshmallow)
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Main camera
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Main camera13 MP16 MP, f/2.0
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Primary camera resolution4128 x 3096 pixels-
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Primary camera video1080p@30fpsvideo
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Primary camera Autofocus-phase detection autofocus
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Primary camera flashdual-LED (dual tone) flashdual-LED (dual tone) flash
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Primary camera laser autofocuslaser autofocus-
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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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Flashdual-LED (dual tone) flash-
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Selfie camera13 MP8 MP
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Secondary camera autofocusautofocus-
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Selfie camera video1080p-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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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, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C reversible connector
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USB hostYes-
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Bluetoothv4.0v4.1
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth EDRYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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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, gyro, proximityFingerprint (rear-mounted), accelerometer, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity3000 mAh4070 mAh
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Battery removable-Non-removable
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Talk time--
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Standby time--
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Multimedia
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Radio FM-FM radio
