Celkon 2GB Xpress vs HTC U Ultra
Celkon 2GB Xpress
HTC U Ultra
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G network-LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE-A speed-LTE-A, (3CA) Cat11, 600 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 announced2015-72017-1
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Status2015-72017-3
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Design
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SIMDual SIMDual SIM (Nano-SIM, dual stand-by)
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Height133.5 mm162.4 mm
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Width66.5 mm79.8 mm
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Thickness10.1 mm8 mm
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Weight134 g170 g
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ColorsBlackBrilliant Black, Cosmetic Pink, Ice White, Sapphire Blue
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Display
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Display typeIPS LCD capacitive touchscreenSuper LCD5 capacitive touchscreen
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Physical size4.5 inches5.7 inches
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Resolution480 x 800 pixels1440 x 2560 pixels
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Pixel density207 ppi513 ppi
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Display colors-16777216
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Protection-Corning Gorilla Glass 5(64 GB) or Sapphire crystal glass(128 GB)
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Multitouch-Yes
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Additional display-Yes
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Resolution of additional display-160 x 1040 pixels
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Size of additional display-2.05 inches
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Hardware
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CPU-Quad-core
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CPUQuad-core 1.2 GHzDual-core 2.15 GHz Kryo
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CPU(second)dual-core 1.6 GHz Kryo
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ChipsetSpreadtrum 7731Qualcomm MSM8996 Snapdragon 821
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GPUMali-400Adreno 530
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Memory RAM2 GB4 GB
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Internal storage16 GB64, 128 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, v7.0 (Nougat)
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Main camera
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Main camera5 MP12 MP, f/1.8 , 26 mm
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Primary camera resolution2592 x 1944 pixels-
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Primary camera videovideo2160p@30fps (24-bit/192kHz audio), 720p@120fps
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Primary camera Autofocusautofocuslaser & phase detection autofocus
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Primary camera flashLED flashdual-LED (dual tone) flash
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Primary camera optical image stabilization-optical image stabilization
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Camera featuresYes1.55µm pixel size, 1/2.3'' sensor size, Auto-HDR, face detection, geo-tagging, panorama, touch focus
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Selfie camera
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Selfie camera1.3 MP16 MP
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Secondary camera HDR-Auto-HDR
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Selfie camera video-1080p
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Sound
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3.5mm jackYesNo
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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 radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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Wi-Fi DLNA-Yes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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Bluetoothv2.1v4.2
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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Bluetooth EDRYes-
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NFC-Yes
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GPSYesYes, 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 IM-IM
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Messaging Push Mail-Push Mail
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JavaNoNo
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SensorsAccelerometerFingerprint (front-mounted), accelerometer, compass, gyro, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh3000 mAh
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Battery removable-Non-removable
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Fast battery charging-Quick Charge 3.0
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Talk time--
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Talk time 3G-26 h
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Standby time--
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Standby time 3G-312 h
