Motorola EM28 vs Samsung Epic 4G
Motorola EM28
Samsung Epic 4G
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Network
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2G networkGSM 900, 1800, 1900CDMA 800, 1900
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3G network-CDMA2000 1xEV-DO
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HSDPA speed-HSDPA
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EV-DO speed-3.1 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2009-22010-6
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Status2010-9
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Design
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SIMMini-SIMMini-SIM
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Height94 mm124 mm
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Width49.5 mm65 mm
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Thickness17 mm14 mm
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Weight90 g155 g
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Keyboard-QWERTY
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ColorsBlueBlack
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Display
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Display typeTFTSuper AMOLED capacitive touchscreen
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Physical size1.8 inches4.0 inches
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Resolution128 x 160 pixels480 x 800 pixels
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Pixel density114 ppi233 ppi
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Display colors6656016777216
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Hardware
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CPU1 GHz ARM Cortex-A8
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Chipset-Hummingbird
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GPU-PowerVR SGX540
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Memory ROM-512 MB
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Memory RAM-512 MB
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Memory cardmicroSDmicroSD
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Memory card max2 GB32 GB
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Main camera
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Main camera1.3 MP5 MP
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Primary camera resolution1280 x 1024 pixels2592 x 1944 pixels
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Primary camera videovideo720p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNoVGA camera
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic, MP3, AAC ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radio with RDSStereo FM radio with RDS
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN wimax-Yes
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USBYesmicroUSB 2.0
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Bluetoothv2.0v2.1
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Bluetooth A2DPYesYes
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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 Email-Email
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Messaging IM-IM
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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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Java MIDPMIDP 2.0-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity940 mAh1500 mAh
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Talk time7 h 30 min5 h 30 min
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Standby time250 h300 h
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OS
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OS-Android OS, v2.1 (Eclair)
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Browser
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HTML-Yes
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Adobe Flash-Adobe Flash Lite
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