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Phone Motorola Droid 4 Siemens SX1 LG K40 / Harmony 3 AT&T Vista Sony Xperia ion
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4" diag.
16 : 9
? 5.7" diag.
18 : 9
5.5" diag.
18 : 9
4.6" diag.
16 : 9
Display Resolution & Type 540 x 960 pixels
(~275 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~323 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz 60 Hz 60 Hz
Battery 1,785 mAh 1,000 mAh 3,000 mAh 2,450 mAh 1,900 mAh
Processor ? ? 1.8 GHz Qualcomm Snapdragon 450 2 GHz MediaTek Helio A22 (MT6761V) 1.5 GHz Qualcomm Snapdragon S3 MSM8260
RAM 1 GB ? 2 GB 3 GB 1 GB
Storage 16 GB ? raw hardware 32 GB 32 GB 16 GB
Main Camera 8 megapixel Yes 13 megapixel 8 megapixel 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD QCIF (176 x 144) 1080p HD 1080p HD 1080p HD
Front Camera 1 megapixel - 5 megapixel 5 megapixel 1 megapixel
Weight 6.31 oz
(179g)
4.09 oz
(116g)
5.11 oz
(145g)
5.51 oz
(156g)
5.1 oz
(145g)
Dimensions 5" x 2.65" x 0.5"
(127 x 67 x 12.7 mm)
4.29" x 2.2" x 0.75"
(109 x 56 x 19.1 mm)
6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
5.2" x 2.7" x 0.4"
(132 x 69 x 10.2 mm)
Platform / OS Android S60 (Symbian) Android Android Android
Network Bands

4G LTE: 13

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

4G LTE: 4, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 3) GPRS LTE (Cat 6) LTE (Cat 4) LTE (Cat 3)
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes Yes -
Accessibility
Hearing Aid Compatible Yes - Yes Yes Yes
TTY/TDD (Digital) Yes - Yes - -
Alerts
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes - - -
NFC - - Yes * - -
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes Yes
Input
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Music
FM Radio - Yes Yes - Yes
Headphone Jack (3.5mm) Yes - Yes Yes Yes
Photo & Video
DLNA Yes - Yes - Yes
TV Output Yes - - - Yes
Voice
HD Voice - - Yes Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Motorola Droid 4 Siemens SX1 LG K40 / Harmony 3 AT&T Vista Sony Xperia ion
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola Droid 4 Siemens SX1 LG K40 / Harmony 3 AT&T Vista Sony Xperia ion

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