Samsung Ch@t 357 vs vivo Y28
Samsung Ch@t 357
vivo Y28
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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, 900, 2100
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced20122014-12
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Status2012-92014-12
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Design
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SIMOptional Dual SIM (Mini-SIM, dual stand-by)Micro-SIM
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Height111.9 mm137.4 mm
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Width60.4 mm68.6 mm
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Thickness11.5 mm9.8 mm
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Weight95.5 g156 g
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KeyboardQWERTY-
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ColorsGray, WhiteWhite
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Display
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Display typeTFTIPS LCD capacitive touchscreen
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Physical size2.4 inches4.7 inches
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Resolution320 x 240 pixels540 x 960 pixels
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Pixel density167 ppi216 ppi
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Display colors26214416777216
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Hardware
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CPU208 MHz1.3 GHz Quad-core
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Chipset-Mediatek MT6582
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Internal storage34 MB8 GB
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Memory RAM-1 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB128 GB
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Main camera
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Main camera2 MP8 MP
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Primary camera resolution1600 x 1200 pixels3264 x 2448 pixels
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Primary camera video320p@15fps1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, face detection, touch focus
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Selfie camera
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Secondary cameraNo-
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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 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11gWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv3.0v4.0
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Bluetooth A2DPYesYes
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Bluetooth EDR-Yes
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Infrared-Yes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS(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 Email-Push Mail
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WAPWAP 2.0/xHTML-
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JavaYesYes, via Java MIDP emulator
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Sensors-Accelerometer, compass, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1000 mAh2100 mAh
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Talk time11 h 40 min-
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Talk time 2G-14 h
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Talk time 3G-13 h
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Standby time400 h-
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Standby time 2G-430 h
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Standby time 3G-430 h
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OS
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OS-Android OS, v4.2.2 (Jelly Bean)