Microsoft Lumia 540 Dual SIM vs Spice Mi-491 Stellar Virtuoso Pro
Microsoft Lumia 540 Dual SIM
Spice Mi-491 Stellar Virtuoso Pro
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 900, 2100HSDPA 2100
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HSDPA speed42.2 MbpsHSDPA
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HSUPA speed5.76 MbpsHSUPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-42013-6
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Status2015-52013-7
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height144 mm135 mm
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Width73.7 mm68 mm
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Thickness8.6 mm9.9 mm
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Weight152 g143 g
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ColorsOrange, black, blue, gray, whiteBlack
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size5.0 inches4.5 inches
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Resolution720 x 1280 pixels480 x 854 pixels
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Pixel density294 ppi218 ppi
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Display colors16777216-
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A7Dual-core 1 GHz ARM Cortex-A9
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ChipsetQualcomm Snapdragon 200Mediatek MT6577
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GPUAdreno 302PowerVR SGX531u
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Internal storage8 GB-
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Memory RAM1 GB-
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Memory cardmicroSDmicroSD
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Memory card max128 GB32 GB
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OS
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OSMicrosoft Windows Phone 8.1 with Lumia DenimAndroid OS, v4.1 (Jelly Bean)
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Main camera
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Main camera8 MP5 MP
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Primary camera resolution3264 x 2448 pixels2592 x 1944 pixels
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Primary camera video480p@30fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Camera features1/4'' sensor size, geo-tagging-
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Selfie camera
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Selfie camera5 MP1.3 MP
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Selfie camera video480p-
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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 FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi HotspotYes-
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WLAN DLNAYes-
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USBmicroUSB 2.0Yes
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Bluetoothv4.0v3.0
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Bluetooth A2DPYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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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 EmailPush Email
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, proximity-
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2200 mAh1700 mAh
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Talk time-5 h
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Talk time 2G26 h-
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Talk time 3G15 h-
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Standby time-210 h
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Standby time 2G576 h-
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Standby time 3G576 h-
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