Acer Stream vs Alcatel OT-991
Acer Stream
Alcatel OT-991
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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, 1900, 2100HSDPA 850, 1900, 2100
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HSDPA speedHSDPA, 7.2 MbpsHSDPA, 7.2 Mbps
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HSUPA speedHSUPA, 2.0 Mbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2010-52012-2
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Status2010-82012
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Design
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SIMMini-SIMMini-SIM
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Height119.5 mm122 mm
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Width63 mm68 mm
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Thickness11.2 mm10.8 mm
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Weight140 g131.3 g
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ColorsBlackBlack, White
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Display
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Display typeAMOLED capacitive touchscreenTFT capacitive touchscreen
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Physical size3.7 inches4.0 inches
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Resolution480 x 800 pixels320 x 480 pixels
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Pixel density252 ppi144 ppi
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Display colors16777216262144
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Hardware
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CPU1 GHz Scorpion800 MHz ARM Cortex-A9
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ChipsetQualcomm QSD8250 SnapdragonMediatek MT6573
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GPUAdreno 200PowerVR SGX531
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Memory ROM512 MB-
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Memory RAM512 MB-
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Internal storage2 GB150 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Memory card included8 GB-
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OS
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OSAndroid OS, v2.1 (Eclair)Android OS, v2.3 (Gingerbread)
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Main camera
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Camera typePhoto-
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Main camera5 MP3.15 MP
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Primary camera resolution2560 x 1920 pixels2048 x 1536 pixels
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Primary camera video720p@24fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNoYes
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration; MP3 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, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi UpnpYes-
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WLAN DLNAYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1v4.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS(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 EmailPush Email-
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1400 mAh1500 mAh
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Talk time 2G-12 h
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Talk time 3G5 h10 h
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Standby time-400 h
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Standby time 3G400 h-