Acer Iconia Tab B1-A71 vs Microsoft Lumia 640 XL Dual SIM
Acer Iconia Tab B1-A71
Microsoft Lumia 640 XL Dual SIM
-
Network
-
2G networkGSM 850, 900, 1800, 1900
-
3G network-HSDPA 850, 900, 1900, 2100
-
HSDPA speed-42.2 Mbps
-
HSUPA speed-5.76 Mbps
-
GPRSYes
-
EDGEYes
-
Availability
-
Oficially announced2013-12015-3
-
Status2013-12015-3
-
Design
-
SIMNoDual SIM (Micro-SIM, dual stand-by)
-
Height197.4 mm157.9 mm
-
Width128.5 mm81.5 mm
-
Thickness11.3 mm9 mm
-
Weight320 g171 g
-
ColorsBlackBlack, Glossy white, Matte cyan, Matte white, Orange
-
Display
-
Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
-
Physical size7.0 inches5.7 inches
-
Resolution600 x 1024 pixels720 x 1280 pixels
-
Pixel density170 ppi259 ppi
-
Display colors26214416777216
-
Hardware
-
CPUDual-core 1.2 GHz ARM Cortex-A9Quad-core 1.2 GHz ARM Cortex-A7
-
ChipsetMediatek MT8317Qualcomm Snapdragon 400
-
GPUSGX531uAdreno 305
-
Memory RAM512 MB1 GB
-
Internal storage8, 16 GB8 GB
-
Memory cardmicroSDmicroSD
-
Memory card max32 GB128 GB
-
OS
-
OSAndroid OS, v4.1 (Jelly Bean)Microsoft Windows Phone 8.1 with Lumia Denim
-
Main camera
-
Main camera13 MP
-
Primary camera resolution640 x 480 pixels4128 x 3096 pixels
-
Primary camera videovideo1080p@30fps
-
Primary camera optics-Carl Zeiss optics
-
Primary camera Autofocus-autofocus
-
Primary camera flash-LED flash
-
Camera features-1/3'' sensor size
-
Selfie camera
-
Secondary cameraNo-
-
Selfie camera5 MP
-
Selfie camera video-1080p
-
Sound
-
3.5mm jackYesYes
-
LoudspeakerYesYes
-
NotificationsN/AVibration; MP3, WAV ringtones
-
Multimedia
-
RadioNo-
-
Radio FM-FM radio
-
Connectivity
-
WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
-
WLAN WiFi Hotspot-Yes
-
WLAN DLNA-Yes
-
USBmicroUSB 2.0microUSB 2.0
-
Bluetoothv4.0v4.0
-
Bluetooth A2DP-Yes
-
GPSYesYes, with A-GPS
-
GLONASS-Yes
-
GPS Navigator-Beidou
-
Features
-
Messaging SMS-SMS(threaded view)
-
Messaging MMS-MMS
-
Messaging EmailEmailEmail
-
Messaging IMIMIM
-
Messaging Push EmailPush EmailPush Email
-
JavaYes, via Java MIDP emulatorNo
-
Sensors-Accelerometer, compass, proximity
-
Browser
-
HTMLHTML5HTML5
-
Battery
-
Battery typeLi-PoLi-Ion
-
Battery capacity2710 mAh3000 mAh
-
Battery removableNon-removable-
-
Talk time--
-
Talk time 2G-31 h 20 min
-
Talk time 3G-23 h 40 min
-
Standby time--
-
Standby time 2G-936 h
-
Standby time 3G-936 h
