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Phone Samsung SGH-X640 ZTE Grand XMax Samsung Galaxy S 4 Active BlackBerry 8820
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 6" diag.
16 : 9
5" diag.
16 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~245 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ?
Battery 800 mAh 3,200 mAh 2,600 mAh 1,400 mAh
Processor ? 1.2 GHz Qualcomm Snapdragon 200 MSM8212 1.9 GHz Qualcomm Snapdragon 600 8064T ?
RAM ? 1 GB 2 GB ?
Storage ? raw hardware 8 GB 16 GB ? raw hardware
Main Camera Yes 8 megapixel 8 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 720p HD 1080p HD -
Front Camera - 1 megapixel 2 megapixel -
Weight 3 oz
(85g)
6.06 oz
(172g)
5.4 oz
(153g)
4.73 oz
(134g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.38" x 3.27" x 0.31"
(162 x 83 x 7.9 mm)
5.5" x 2.81" x 0.36"
(140 x 71 x 9.1 mm)
4.49" x 2.6" x 0.55"
(114 x 66 x 14 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) Android Android BlackBerry OS
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology GPRS HSPA+ 21 LTE (Cat 3) EDGE
Features 
Flashlight - - Yes -
GPS / Location - n/a n/a n/a
Ruggedized - - Yes -
Water-Resistant - - Yes
IPX7 (snorkeling)
-
Accessibility
Adjustable Text Size - n/a n/a n/a
Hearing Aid Compatible - Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
-
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Ringer Profiles - - - Yes
Connectivity
Bluetooth - Yes Yes Yes
Infrared (IR) - Yes Yes -
Mobile Hotspot - n/a n/a n/a
NFC - - Yes -
USB - Yes
Micro-USB
Yes
Micro-USB
Yes
Mini-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
Contacts
Picture ID Yes n/a 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 n/a n/a
Custom Ringtones Yes n/a n/a n/a
Real-Music Ringers - n/a n/a n/a
Data & Network
Data Tethering - n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot - Yes Yes Yes
Messaging
Email Client - n/a n/a n/a
EMS / Picture Messaging Yes n/a n/a n/a
Instant Messaging - n/a n/a n/a
MMS Yes n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) - Yes Yes -
Music Player - n/a n/a n/a
Photo & Video
DLNA - - Yes -
Miracast - - Yes -
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List Yes n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
Games Yes n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a
Voice
Headset Jack (2.5 mm) Yes n/a n/a n/a
Push-To-Talk - - - Yes *
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 ZTE Grand XMax Samsung Galaxy S 4 Active BlackBerry 8820
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 ZTE Grand XMax Samsung Galaxy S 4 Active BlackBerry 8820

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