Yezz Billy 4 vs ZTE Reef
Yezz Billy 4
ZTE Reef
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Network
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2G networkGSM 850, 900, 1800, 1900CDMA 800, 1900
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3G networkHSDPA 850, 1900CDMA2000 1xEV-DO
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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EV-DO speed-3.1 Mbps
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GPRSYes
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EDGEYes
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Availability
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Status2014-102013-8
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Oficially announced2014-62013-8
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Design
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SIMDual SIM (Micro-SIM)Yes
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Height122.5 mm127 mm
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Width64.4 mm64.8 mm
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Thickness9.9 mm11.2 mm
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Weight109 g127.6 g
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ColorsBlack, Blue, Champing Gold, Gun Metal, Red, White, YellowBlack
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size4.0 inches4.0 inches
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Resolution480 x 800 pixels480 x 800 pixels
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Pixel density233 ppi233 ppi
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Display colors16777216-
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A71 GHz
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ChipsetQualcomm MSM8212 Snapdragon 200Qualcomm MSM8655 Snapdragon
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GPUAdreno 302Adreno 205
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Internal storage4 GB4 GB
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Memory RAM512 MB1 GB
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Memory cardmicroSDmicroSD
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Memory card max128 GB32 GB
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OS
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OSMicrosoft Windows Phone 8.1Android OS, v4.1 (Jelly Bean)
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Main camera
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Main camera8 MP5 MP
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Primary camera resolution3264 x 2448 pixels2592 x 1944 pixels
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Primary camera video720p@30fps720p
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, touch focus-
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Selfie camera
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Selfie camera1.3 MP1 MP
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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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Radio-No
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Radio FMStereo FM radio-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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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 EmailPush Email
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, proximity-
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1300 mAh1650 mAh
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Talk time-9 h 30 min
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Talk time 2G7 h-
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Talk time 3G4 h 30 min-
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Standby time-165 h
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Standby time 2G350 h-
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Standby time 3G300 h-