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Phone Samsung SGH-X640 ZTE Flash Nokia 2660 Motorola Moto G (GSM, 2nd gen.) HTC Desire 555
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4.5" diag.
16 : 9
? 5" diag.
16 : 9
5" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz 60 Hz
Battery 800 mAh 1,780 mAh 700 mAh 2,070 mAh 2,200 mAh
Processor ? 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 ? 1.2 GHz Qualcomm Snapdragon 400 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM ? 1 GB ? 1 GB 2 GB
Storage ? raw hardware 8 GB ? raw hardware 8 GB * 16 GB
Main Camera Yes 12 megapixel - 8 megapixel 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD - 720p HD 720p HD
Front Camera - 1 megapixel - 2 megapixel 5 megapixel
Weight 3 oz
(85g)
5.2 oz
(147g)
2.79 oz
(79g)
5.26 oz
(149g)
4.93 oz
(140g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.27" x 2.56" x 0.38"
(134 x 65 x 9.7 mm)
3.43" x 1.76" x 0.81"
(87 x 45 x 20.6 mm)
5.57" x 2.78" x 0.43"
(141 x 71 x 11 mm)
5.78" x 2.79" x 0.33"
(147 x 71 x 8.4 mm)
Form Factor Clamshell Slab Clamshell Slab Slab
Platform / OS (proprietary) Android (proprietary) Android Android
Network Bands

GSM: 900, 1800, 1900

4G LTE: 25

CDMA: 800, 850, 1900

GSM: 850, 1900

*

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS LTE (Cat 3) EDGE HSPA+ 21 LTE (Cat 4)
Features 
Flashlight - - - - Yes
GPS / Location - n/a - n/a n/a
Accessibility
Adjustable Text Size - n/a - n/a n/a
Hearing Aid Compatible - Yes - Yes Yes *
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - Yes - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth - Yes Yes Yes Yes
Mobile Hotspot - n/a - n/a n/a
NFC - Yes - - -
USB - Yes
Micro-USB
- Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
- Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a Yes n/a n/a
Ringer ID Yes n/a - n/a n/a
Voice Dialing - n/a - n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers - n/a Yes n/a n/a
Data & Network
Data Tethering - n/a - n/a n/a
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes - Yes Yes
Touch Screen - Yes - Yes Yes
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client - n/a Yes n/a n/a
EMS / Picture Messaging Yes n/a Yes n/a n/a
Instant Messaging - n/a Yes * n/a n/a
MMS Yes n/a Yes n/a n/a
Text Messaging Templates Yes n/a Yes n/a n/a
Music
FM Radio - - Yes Yes Yes
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player - n/a - n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
DLNA - - - - Yes
Miracast - - - - Yes
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List Yes n/a Yes n/a n/a
Voice Memo Yes n/a Yes n/a n/a
Software
Games Yes n/a Yes n/a n/a
Java (J2ME) Yes n/a Yes n/a n/a
Voice
HD Voice - Yes - - Yes
Headset Jack (2.5 mm) Yes n/a Yes n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 ZTE Flash Nokia 2660 Motorola Moto G (GSM, 2nd gen.) HTC Desire 555
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 ZTE Flash Nokia 2660 Motorola Moto G (GSM, 2nd gen.) HTC Desire 555

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