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Phone Samsung SGH-A657 Sanyo SCP-2400 BlackBerry Key2 Sanyo MM-5600 Motorola Rival A455
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 4.5" diag.
5 : 3
? 2.2" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 1,420 mAh ? 3,500 mAh 1,000 mAh 940 mAh
Processor ? ? 2.2 GHz Qualcomm Snapdragon 660 ? ?
RAM ? ? 6 GB ? ?
Storage ? raw hardware ? raw hardware 64 GB * ? raw hardware ? raw hardware
Main Camera - - 12 megapixel 1 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - 12 megapixel - -
Video Capture - - 4K UHD ? QVGA (320 x 240)
Front Camera - - 8 megapixel - -
Weight 4.34 oz
(123g)
3.5 oz
(99g)
5.93 oz
(168g)
4.52 oz
(128g)
4.48 oz
(127g)
Dimensions 4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
3.31" x 1.83" x 1.01"
(84 x 46 x 25.7 mm)
5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
3.66" x 1.91" x 1.04"
(93 x 49 x 26.4 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
Form Factor Slab Clamshell Slab Clamshell Slide
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

Data Technology HSDPA 3.6 1xRTT LTE (Cat 11) 1xRTT EVDO r0
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight Yes - Yes Yes -
GPS / Location Yes Yes n/a Yes Yes
Ruggedized Yes - - - -
Accessibility
Hearing Aid Compatible - Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - Yes -
Connectivity
Bluetooth Yes - Yes - Yes
NFC - - Yes - -
USB Yes Yes Yes
USB Type C
Yes Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID Yes Yes n/a Yes Yes
Ringer ID Yes Yes n/a Yes Yes
Voice Dialing - Yes n/a Yes Yes
Customization
Custom Graphics Yes Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers Yes - n/a Yes Yes
Data & Network
Data Tethering Yes Yes n/a - Yes
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes -
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - Yes
Touch Screen - - Yes
Capacitive
- Yes
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client Yes - n/a - Yes
EMS / Picture Messaging - - n/a - Yes
Instant Messaging Yes - n/a - Yes
MMS Yes - n/a - Yes
Text Messaging Templates Yes Yes n/a - Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player Yes - n/a Yes Yes
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List Yes - n/a Yes -
Voice Memo Yes Yes n/a Yes Yes
Software
BREW - - n/a - Yes
Games Yes Yes n/a Yes Yes
Java (J2ME) Yes Yes n/a Yes -
Voice
Call Screening - Yes - Yes -
HD Voice - - Yes - -
Headset Jack (2.5 mm) - Yes n/a Yes -
Push-To-Talk Yes Yes - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-A657 Sanyo SCP-2400 BlackBerry Key2 Sanyo MM-5600 Motorola Rival A455
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-A657 Sanyo SCP-2400 BlackBerry Key2 Sanyo MM-5600 Motorola Rival A455

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