Amazon Fire Phone vs NIU C21A
Amazon Fire Phone
NIU C21A
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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, 900, 1700, 1900, 2100-
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4G networkLTE 700/800/850/900/1700/1800/1900/2100/2600-
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HSPA+ speedHSPA+-
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LTE speedLTE-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-62013-3
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Status2014-72013-4
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Design
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SIMNano-SIMDual SIM (Mini-SIM)
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Height139.2 mm106 mm
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Width66.5 mm45 mm
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Thickness8.9 mm14.5 mm
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Weight160 g73 g
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ColorsBlackBlack, Blue, Fuchsia, Green, Purple, Red, White
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Display
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Display typeIPS LCD capacitive touchscreenTFT
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Physical size4.7 inches1.8 inches
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Resolution720 x 1280 pixels128 x 160 pixels
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Pixel density312 ppi114 ppi
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Display colors16777216262144
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Hardware
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CPUQuad-core 2.2 GHz Krait 400
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ChipsetQualcomm Snapdragon 800-
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GPUAdreno 330-
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Memory RAM2 GB-
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Internal storage32, 64 GB64 Mbit
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSAmazon Fire OS v3.5-
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Main camera
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Main camera13 MP
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Primary camera resolution4128 x 3096 pixels640 x 480 pixels
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Primary camera video1080p@30fpsno
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Primary camera video optical stabilizationoptical stabilization-
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Primary camera image stabilizationoptical image stabilization-
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Camera features-No
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Selfie camera
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Secondary camera-No
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Selfie camera2.1 MP
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Sound
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3.5mm jackYesNo
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LoudspeakerYes, with stereo speakersYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, Polyphonic
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0Yes
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Bluetoothv3.0v2.0
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GPSYes, with A-GPSNo
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GLONASSYes-
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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 IMIMIM
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Messaging Push EmailPush Mail-
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WAP-Yes
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JavaNoNo
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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 capacity2400 mAh600 mAh
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Battery removableNon-removable-
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Talk time22 h4 h
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Standby time285 h200 h