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Phone Samsung SPH-i550 Motorola RAZR V3m TCL A30 / A3 Microsoft Lumia 640
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Not yet released Released Released Released
Specifications 
Display Size ? ? 5.5" diag.
18 : 9
5" diag.
16 : 9
Display Resolution & Type 320 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery ? 780 mAh 3,000 mAh 2,500 mAh
Processor 200 MHz Motorola MX-1 ? 2 GHz MediaTek Helio P22 (MT6762V) 1.2 GHz Qualcomm Snapdragon 400 (MSM8926)
RAM ? ? 3 GB 1 GB
Storage ? raw hardware ? raw hardware 32 GB 8 GB
Main Camera 1 megapixel 1 megapixel 8 megapixel 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? ? 1080p HD 1080p HD
Front Camera - - 5 megapixel 1 megapixel
Weight ? 3.49 oz
(99g)
6.03 oz
(171g)
5.11 oz
(145g)
Dimensions 3.46" x 2.34" x 1.1"
(88 x 59 x 27.9 mm)
3.9" x 2.1" x 0.57"
(99 x 53 x 14.5 mm)
5.74" x 2.8" x 0.39"
(146 x 71 x 9.9 mm)
5.56" x 2.84" x 0.35"
(141 x 72 x 8.9 mm)
Form Factor Clamshell Clamshell Slab Slab
Platform / OS Palm OS (proprietary) Android Windows
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

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

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 4, 5, 7, 12, 17, 28

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology 1xRTT EVDO r0 LTE (Cat 4) LTE (Cat 4)
Features 
Flashlight - - Yes -
GPS / Location n/a Yes n/a n/a
Water-Resistant - - Yes
IPX2 (drip)
-
Accessibility
Adjustable Text Size n/a - n/a n/a
Hearing Aid Compatible - Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Multiple Languages n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display Yes Yes - -
Connectivity
Bluetooth - Yes Yes Yes
Infrared (IR) Yes - - -
Mobile Hotspot n/a - n/a n/a
NFC - - - Yes
USB - Yes
Mini-USB
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes n/a n/a
Ringer ID n/a Yes n/a n/a
Voice Dialing n/a Yes n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a
Custom Ringtones n/a Yes n/a n/a
Real-Music Ringers n/a Yes n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a
WAP / Web Browser n/a Yes n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes
Touch Screen Yes - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client n/a - n/a n/a
EMS / Picture Messaging n/a Yes n/a n/a
Instant Messaging n/a Yes * n/a n/a
MMS n/a Yes n/a n/a
Text Messaging Templates n/a Yes * n/a n/a
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) - - Yes Yes
Music Player n/a Yes n/a n/a
Photo & Video
DLNA - - - Yes
Miracast - - - Yes
Productivity
Alarm n/a Yes n/a n/a
Calculator n/a Yes n/a n/a
Calendar n/a Yes n/a n/a
To-Do List n/a - n/a n/a
Voice Memo n/a Yes n/a n/a
Software
BREW n/a Yes n/a n/a
Games n/a Yes n/a n/a
Voice
HD Voice - - Yes Yes
Headset Jack (2.5 mm) n/a - n/a n/a
Speaker Phone - Yes Yes Yes
  * Some versions only
  Samsung SPH-i550 Motorola RAZR V3m TCL A30 / A3 Microsoft Lumia 640
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SPH-i550 Motorola RAZR V3m TCL A30 / A3 Microsoft Lumia 640

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