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Phone Samsung M400 BlackBerry Classic (CDMA) LG Optimus F7 Samsung SPH-A640
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
3.5" diag.
1 : 1
4.7" diag.
16 : 9
?
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
720 x 720 pixels
(~291 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery 1,000 mAh 2,515 mAh 2,540 mAh 800 mAh
Processor 400 MHz Qualcomm QSC6155 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 ?
RAM 128 MB 2 GB 1 GB ?
Storage 256 MB 16 GB 8 GB ? raw hardware
Main Camera 1 megapixel 8 megapixel 8 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 1080p HD 1080p HD -
Front Camera - 2 megapixel 1 megapixel -
Weight 3.7 oz
(105g)
6.28 oz
(178g)
4.7 oz
(133g)
3.2 oz
(91g)
Dimensions 3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
5.16" x 2.85" x 0.4"
(131 x 72 x 10.2 mm)
5.16" x 2.71" x 0.38"
(131 x 69 x 9.7 mm)
3.6" x 1.8" x 0.9"
(91 x 46 x 22.9 mm)
Form Factor Clamshell Slab Slab Clamshell
Platform / OS (proprietary) BlackBerry 10 Android (proprietary)
Network Bands

CDMA: 800, 850, 1900

4G LTE: 3, 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 4, 5, 12, 25

CDMA: 850, 1700, 1900

*

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT LTE (Cat 3) LTE (Cat 3) 1xRTT
Features 
GPS / Location Yes n/a n/a Yes
Accessibility
Adjustable Text Size Yes n/a n/a -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display Yes - - Yes
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes
Mobile Hotspot - n/a n/a -
NFC - Yes Yes -
USB Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Wi-Fi - Yes
4 (802.11 a,b,g,n)
Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing Yes n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers Yes n/a n/a -
Data & Network
Data Tethering - n/a n/a Yes
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen - Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client - n/a n/a -
Instant Messaging - n/a n/a -
MMS Yes n/a n/a -
Text Messaging Templates Yes n/a n/a Yes
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) Yes Yes Yes -
Music Player - n/a n/a -
Photo & Video
DLNA - Yes Yes -
Miracast - Yes Yes -
TV Output - Yes Yes -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List - n/a n/a Yes
Voice Memo Yes n/a n/a Yes
Software
Games Yes n/a n/a Yes
Java (J2ME) - n/a n/a Yes
Voice
Headset Jack (2.5 mm) - n/a n/a Yes
Push-To-Talk - - - Yes
Speaker Phone Yes Yes Yes Yes
  Samsung M400 BlackBerry Classic (CDMA) LG Optimus F7 Samsung SPH-A640
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung M400 BlackBerry Classic (CDMA) LG Optimus F7 Samsung SPH-A640

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