Lenovo ThinkPad vs Panasonic T21
Lenovo ThinkPad
Panasonic T21
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 900, 2100
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HSDPA speedHSDPAHSDPA
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HSUPA speedHSUPAHSUPA
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2011-62013
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Status2011-72013
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Design
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SIMNoDual SIM
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Height260 mm132 mm
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Width181.7 mm66 mm
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Thickness14 mm9.8 mm
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Weight730 g140 g
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ColorsBlackBlack, White
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size10.1 inches4.5 inches
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Resolution800 x 1280 pixels720 x 1280 pixels
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Pixel density149 ppi326 ppi
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Display colors1677721616777216
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Hardware
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CPUDual-core 1 GHzDual-core 1.2 GHz
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ChipsetNvidia Tegra 2-
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Memory RAM1 GB1 GB
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Internal storage16, 32, 64 GB4 GB
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Memory card3-in-1 card readermicroSD
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Memory card max-32 GB
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OS
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OSAndroid OS, v3.1 (Honeycomb)Android OS, v4.1 (Jelly Bean)
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Main camera
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Main camera5 MP8 MP
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Primary camera resolution2592 x 1944 pixels3264 x 2448 pixels
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Primary camera videovideo1080p@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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Selfie camera2 MP2 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsN/AVibration; MP3, WAV ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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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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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.0v2.1
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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 SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush EmailPush Mail
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JavaNoYes, via Java MIDP emulator
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Browser
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HTMLYesHTML5
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Adobe FlashYes-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3250 mAh1700 mAh
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Battery removableNon-removable-
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Talk time--
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Standby time--
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