Celkon S1 vs Spice Mi-491 Stellar Virtuoso Pro
Celkon S1
Spice Mi-491 Stellar Virtuoso Pro
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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3G networkHSDPA 2100HSDPA 2100
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HSDPA speedHSDPAHSDPA
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HSUPA speedHSUPAHSUPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-22013-6
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Status2014-22013-7
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Design
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SIMDual SIMDual SIM (Mini-SIM)
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Height144 mm135 mm
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Width71 mm68 mm
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Thickness8.9 mm9.9 mm
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Weight137 g143 g
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ColorsBlackBlack
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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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Resolution1080 x 1920 pixels480 x 854 pixels
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Pixel density441 ppi218 ppi
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Display colors16777216-
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Hardware
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CPUQuad-core 1.5 GHzDual-core 1 GHz ARM Cortex-A9
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Chipset-Mediatek MT6577
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GPU-PowerVR SGX531u
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Memory RAM1 GB-
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Internal storage16 GB-
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.2.1 (Jelly Bean)Android OS, v4.1 (Jelly Bean)
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Main camera
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Main camera13 MP5 MP
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Primary camera resolution4160 x 3120 pixels2592 x 1944 pixels
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Primary camera videovideovideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Selfie camera8 MP1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 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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USBmicroUSB 2.0Yes
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BluetoothYesv3.0
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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 MailPush Email
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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 capacity2300 mAh1700 mAh
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Talk time-5 h
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Standby time-210 h
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