NIU GO 21 vs Samsung A997 Rugby III
NIU GO 21
Samsung A997 Rugby III
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 1900, 2100
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-52012-11
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Status2014-62012-12
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height105 mm104.1 mm
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Width44.9 mm53.3 mm
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Thickness14.2 mm20.3 mm
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Weight66 g133 g
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ColorsBlack, Blue, Gray, Green, Orange, RedBlack
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Display
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Display typeTFTTFT
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Physical size1.8 inches2.4 inches
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Resolution128 x 160 pixels240 x 320 pixels
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Pixel density114 ppi167 ppi
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Display colors66560262144
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Hardware
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CPU468 MHz
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Internal storage64 Mbit256 MB
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Memory RAM-128 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Main camera
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Main camera3.15 MP
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Primary camera resolution640 x 480 pixels2048 x 1536 pixels
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Primary camera videonovideo
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration, MP3 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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WLAN
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1v2.1
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Bluetooth A2DP-Yes
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Bluetooth EDRYesYes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS
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Messaging MMSMMSMMS
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Messaging AMS-AMS
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Messaging Email-Email
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Messaging IMIMIM
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Messaging Push Email-Push Email
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WAPYesWAP 2.0/xHTML
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JavaNoNo
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity650 mAh1300 mAh
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Talk time6 h9 h
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Standby time200 h480 h