Celkon A35k vs Oppo R9s
Celkon A35k
Oppo R9s
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA
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4G network-LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speedHSDPA42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE, 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 announced2014-122016-10
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Status2014-122016-10
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Nano-SIM, dual stand-by)
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Height119 mm153 mm
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Width63 mm74.3 mm
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Thickness10.7 mm6.6 mm
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Weight102 g145 g
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ColorsBlue, WhiteBlack, Gold, Rose Gold
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Display
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Display typeTFT capacitive touchscreenCapacitive touchscreen
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Physical size3.5 inches5.5 inches
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Resolution320 x 480 pixels1080 x 1920 pixels
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Pixel density165 ppi401 ppi
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Display colors-16777216
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Multitouch-Yes
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Hardware
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CPU1 GHz2.0 GHz Octa-core ARM Cortex-A53
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Chipset-Qualcomm MSM8953 Snapdragon 625
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GPU-Adreno 506
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Memory ROM512 MB-
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Memory RAM256 MB4 GB
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Internal storage-64 GB
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Memory cardmicroSDmicroSD(uses second SIM slot)
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Memory card max32 GB256 GB
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OS
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OSAndroid OS, v4.4.2 (KitKat)Android OS, v6.0.1 (Marshmallow)
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Main camera
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Main camera3.15 MP16 MP, f/1.7
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Primary camera videovideo2160p@30fps, 1080p@30fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flash-LED flash
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Camera features-1.55µm pixel size, 1/2.3" sensor size, HDR, face detection, geo-tagging, panorama, touch focus
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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera16 MP, f/2.0
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-FiWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi Hotspot-Yes
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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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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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GPSNoYes, with A-GPS
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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 Push Email-Push Email
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JavaYes, via Java MIDP emulatorNo
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Sensors-Fingerprint, accelerometer, compass, gyro, proximity
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Browser
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HTML-HTML5
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1400 mAh3010 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--