Maxwest Astro X4 vs Yezz C21
Maxwest Astro X4
Yezz C21
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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 850, 1700(AWS), 1900-
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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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GPRSClass 12Up to 48 kbps
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EDGEClass 12No
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Availability
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Oficially announced2016-12016-7
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Status2016-22016-8
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Design
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SIMDual SIM (dual stand-by)Dual SIM (Mini-SIM)
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Height123.5 mm113 mm
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Width64 mm48.5 mm
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Thickness9.8 mm14.6 mm
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Weight122 g70 g
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ColorsBlack, Blue, Gold, Pink, WhiteBlack, Blue, Red, White
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Display
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Display typeCapacitive touchscreenTFT
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Physical size4.0 inches1.8 inches
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Resolution480 x 800 pixels128 x 160 pixels
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Pixel density233 ppi114 ppi
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Display colors16777216262144
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MultitouchYes-
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Hardware
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CPUDual-core 1.0 GHz ARM Cortex-A7321 MHz
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ChipsetMediatek MT6572MSpreadtrum SC6531DA
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GPUMali-400-
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Memory RAM512 MB4 MB
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Internal storage4 GB4 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB8 GB
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Phonebook-Yes
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Call records-Yes
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OS
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OSAndroid OS, v4.4 (KitKat)-
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Main camera
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Main camera3.15 MP
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Primary camera-VGA
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Primary camera video720pvideo
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Primary camera flashLED flash-
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Camera featuresGeo-tagging, touch focusNo
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Selfie camera
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FlashLED flash-
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Secondary cameraVGANo
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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, Polyphonic, MP3
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Multimedia
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Radio FMStereo FM radioStereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v2.1
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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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WAP-Yes
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JavaNoNo
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SensorsAccelerometer, proximity-
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Browser
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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1400 mAh600 mAh
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Battery removableRemovableRemovable
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Talk time8 h3 h
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Standby time180 h180 h
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