Phone Comparison - Microsoft Sirius vs Amazon Kindle Fire HDX

Microsoft Sirius
microsoft sirius
Amazon Kindle Fire HDX
amazon kindle fire hdx
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general General Info

Manufacturer Microsoft Amazon
Announced Not officially announced yet September 2013
Status Rumored Available - October 2013
Colors Dark Red Black
Form Factor Candybar Candybar
Dimension 8.9 mm thickness
(0.35 in thickness)
186 x 128 x 9 mm
(7.32 x 5.04 x 0.35 in)
Weight 590 g (20.81 oz) 303 g/ 311 g (10.69 oz/ 10.97 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
CDMA2000 1xEV-DO
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA
4G Network LTE LTE
Messaging SMS, MMS, Push Mail, EMail, IM , Push Mail, EMail, IM

hardware Hardware and OS

OS Microsoft Windows RT Android OS, v4.x (Jelly Bean - customized)
Processor Quad-core 2.3 GHz Krait 400, Qualcomm Snapdragon 800 [Similar] Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 [Similar]
GPU - Adreno 330 [Similar]
RAM N/A 2 GB [Browse Similar]
Internal Memory 32/64 GB 16/32/64 GB
External Memory - No

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors
Size 10.1 inches [Similar] 7.0 inches [Similar]
Resolution 1080 x 1920 pixels (218 ppi) [Similar] 1200 x 1920 pixels (323 ppi)
Screen-to-Body Ratio - 59.84%
Multi-Touch yes yes

multimedia Multimedia

3.5mm Jack yes yes
Radio No No
Games Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 6.7 MP, 3088 x 1744 pixels [Similar] 1.3 MP, 1280 x 1024 pixels [Similar]
Flash Carl Zeiss optics No
Features Geo-tagging -
Video Yes Yes, 720p
Front Camera Yes [Similar] No [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSPA+, LTE HSPA+, LTE
Bluetooth Yes, v4.0 with A2DP Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, dual-band Wi-Fi 802.11 a/b/g/n, dual-band
USB Yes, USB v2.0, USB Host support Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support (4G model)
Browser HTML5 HTML5 (Amazon Silk)

memory User Memory

Internal 32/64 GB 16/32/64 GB, 2 GB RAM
Expandable Storage - No
USB OTG Supported -

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor not present proximity sensor not present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Ion battery Non-removable Li-Ion battery
Capacity - -
Stand by - -
Talk Time Up to 10 h Up to 11 h
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