Archos 50d Helium 4G vs Yezz Classic Z51
Archos 50d Helium 4G
Yezz Classic Z51
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100-
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HSDPA speed42.2 Mbps-
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HSUPA speed11.5 Mbps-
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2015-72015-7
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Status2015-72015-9
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height146 mm100.5 mm
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Width72.2 mm50.5 mm
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Thickness8.4 mm17.8 mm
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Weight154 g86 g
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ColorsYesBlack, White
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Display
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Display typeIPS LCD capacitive touchscreenTFT
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Physical size5.0 inches1.3 inches
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Resolution720 x 1280 pixels240 x 320 pixels
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Pixel density294 ppi308 ppi
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Display colors1677721666560
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A53
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ChipsetQualcomm MSM8916 Snapdragon 410-
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GPUAdreno 305-
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Internal storage8 GB16 MB
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Memory RAM1 GB-
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Memory cardmicroSDmicroSD
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Memory card max-32 GB
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OS
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OSAndroid OS, v5.1 (Lollipop)-
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Main camera
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Main camera13 MP1.3 MP
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Primary camera resolution4128 x 3096 pixels1280 x 1024 pixels
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Primary camera video1080pvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED flash
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Camera featuresYesNo
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Selfie camera
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Secondary camera-No
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Selfie camera5 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, Polyphonic
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Connectivity
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WLANWi-Fi
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0Yes
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Bluetoothv4.0v3.0
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bluetooth LEYes-
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Bluetooth EDR-Yes
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Mail-
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WAP-WAP 2.0/xHTML
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JavaNoNo
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SensorsAccelerometer, compass, proximity-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2100 mAh800 mAh
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Talk time-5 h
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Standby time-130 h
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Multimedia
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Radio FM-Stereo FM radio; built in antenna
