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Phone Ericsson R520 Motorola KRZR K1m Motorola Moto X (Verizon, 1st gen.) Siemens M75
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size ? ? 4.7" diag.
16 : 9
?
Display Resolution & Type ? 176 x 220 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
AMOLED
132 x 176 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery ? 880 mAh 2,200 mAh 750 mAh
Processor ? ? 1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960 ?
RAM ? ? 2 GB ?
Storage ? raw hardware ? raw hardware 16 GB * ? raw hardware
Main Camera - 1 megapixel 10 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - ? 1080p HD ?
Front Camera - - 2 megapixel -
Weight 4.23 oz
(120g)
3.63 oz
(103g)
4.76 oz
(135g)
3.88 oz
(110g)
Dimensions 5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
4.06" x 1.73" x 0.67"
(103 x 44 x 17 mm)
5.09" x 2.57" x 0.43"
(129 x 65 x 10.8 mm)
4.35" x 2.03" x 0.82"
(110 x 52 x 20.8 mm)
Form Factor Slab Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology GPRS EVDO r0 LTE (Cat 3) GPRS
Features 
GPS / Location - Yes n/a -
Ruggedized - - - Yes
Accessibility
Adjustable Text Size - - n/a -
Hearing Aid Compatible - Yes Yes -
Multiple Languages Yes Yes n/a Yes
TTY/TDD (Digital) - Yes Yes -
Alerts
Extra Display - Yes - -
Ringer Profiles Yes Yes - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) Yes - - Yes
Mobile Hotspot - - n/a -
NFC - - Yes -
USB - Yes
Mini-USB
Yes
Micro-USB
Yes
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID - Yes n/a Yes
Ringer ID - Yes n/a Yes
Voice Dialing Yes Yes n/a -
Customization
Custom Graphics - Yes n/a Yes
Custom Ringtones Yes Yes n/a Yes
Real-Music Ringers - - n/a -
Data & Network
Data Tethering Yes Yes n/a Yes
WAP / Web Browser Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen - - Yes -
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client - - n/a Yes
EMS / Picture Messaging - Yes n/a Yes
Instant Messaging - Yes * n/a -
MMS - Yes n/a Yes
Text Messaging Templates Yes Yes n/a -
Music
Headphone Jack (3.5mm) - - Yes -
Music Player - Yes n/a Yes
Photo & Video
Miracast - - Yes -
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar Yes Yes n/a Yes
To-Do List - - n/a Yes
Voice Memo Yes Yes n/a Yes
Software
BREW - Yes * n/a -
Games Yes Yes n/a Yes
Java (J2ME) - Yes * n/a Yes
Voice
Push-To-Talk - - - Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Ericsson R520 Motorola KRZR K1m Motorola Moto X (Verizon, 1st gen.) Siemens M75
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson R520 Motorola KRZR K1m Motorola Moto X (Verizon, 1st gen.) Siemens M75

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