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Phone Motorola Rival A455 BlackBerry 7750 Samsung SGH-X820 Sanyo SCP-2400 ZTE Speed
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
? ? ? 4.5" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
220 x 176 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery 940 mAh ? 650 mAh ? 2,000 mAh
Processor ? ? ? ? 1.2 GHz Qualcomm Snapdragon 410 MSM8916
RAM ? ? ? ? 1 GB
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 8 GB
Main Camera 2 megapixel - 2 megapixel - 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) - ? - 720p HD
Front Camera - - - - 2 megapixel
Weight 4.48 oz
(127g)
5.01 oz
(142g)
2.33 oz
(66g)
3.5 oz
(99g)
4.8 oz
(136g)
Dimensions 3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
3.31" x 1.83" x 1.01"
(84 x 46 x 25.7 mm)
5.3" x 2.6" x 0.4"
(135 x 66 x 10.2 mm)
Form Factor Slide Slab Slab Clamshell Slab
Platform / OS (proprietary) BlackBerry OS (proprietary) (proprietary) Android
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 25, 26, 41

CDMA: 800, 850, 1900

Data Technology EVDO r0 1xRTT EDGE 1xRTT LTE (Cat 3)
Features 
GPS / Location Yes n/a - Yes n/a
Accessibility
Adjustable Text Size - n/a - - n/a
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- - Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Multiple Languages Yes n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes - Yes - Yes
Mobile Hotspot - n/a - - n/a
USB Yes
Micro-USB
Yes Yes Yes Yes
Micro-USB
Wi-Fi - - - - Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a Yes Yes n/a
Ringer ID Yes n/a Yes Yes n/a
Voice Dialing Yes n/a - Yes n/a
Customization
Custom Graphics Yes n/a Yes Yes n/a
Custom Ringtones Yes n/a Yes Yes n/a
Real-Music Ringers Yes n/a Yes - n/a
Data & Network
Data Tethering Yes n/a - Yes n/a
External Antenna Jack - n/a Yes - n/a
WAP / Web Browser Yes n/a Yes Yes n/a
Input
Predictive Text Entry - n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes - - -
Touch Screen Yes - - - Yes
Capacitive
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client Yes n/a Yes - n/a
EMS / Picture Messaging Yes n/a Yes - n/a
Instant Messaging Yes n/a - - n/a
MMS Yes n/a Yes - n/a
Text Messaging Templates Yes n/a Yes Yes n/a
Music
Headphone Jack (3.5mm) Yes - - - Yes
Music Player Yes n/a - - n/a
Photo & Video
TV Output - - Yes - -
Productivity
Alarm Yes n/a Yes Yes n/a
Calculator Yes n/a Yes Yes n/a
Calendar Yes n/a Yes Yes n/a
To-Do List - n/a Yes - n/a
Voice Memo Yes n/a Yes Yes n/a
Software
BREW Yes n/a - - n/a
Games Yes n/a Yes Yes n/a
Java (J2ME) - n/a Yes Yes n/a
Voice
Call Screening - - - Yes -
HD Voice - - - - Yes
Headset Jack (2.5 mm) - n/a - Yes n/a
Push-To-Talk - - - Yes -
Speaker Phone Yes - Yes Yes Yes
  Motorola Rival A455 BlackBerry 7750 Samsung SGH-X820 Sanyo SCP-2400 ZTE Speed
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Phone Motorola Rival A455 BlackBerry 7750 Samsung SGH-X820 Sanyo SCP-2400 ZTE Speed

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