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Phone Samsung SGH-X640 Huawei Pinnacle 2 BlackBerry 7750 Samsung SCH-A610 Sanyo SCP-3810 / Mirro
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
? ? 2.4" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 800 mAh 900 mAh ? 1,300 mAh 1,000 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware 24 MB ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 1 megapixel - Yes 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) - - -
Front Camera - - - - -
Weight 3 oz
(85g)
3.63 oz
(103g)
5.01 oz
(142g)
4.23 oz
(120g)
3.97 oz
(112g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.51" x 2.39" x 0.47"
(115 x 61 x 11.9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.5" x 1.9" x 0.9"
(89 x 48 x 22.9 mm)
3.82" x 2.01" x 0.71"
(97 x 51 x 18.1 mm)
Form Factor Clamshell Slab Slab Clamshell Clamshell
Platform / OS (proprietary) (proprietary) BlackBerry OS (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1700, 1900

*

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology GPRS 1xRTT 1xRTT 1xRTT 1xRTT
Features 
GPS / Location - Yes n/a Yes Yes
Accessibility
Adjustable Text Size - - n/a - Yes
Hearing Aid Compatible - Yes
M4, T4 (very tele-coil compatible)
- - Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - - Yes - -
Connectivity
Bluetooth - Yes - - Yes
USB - Yes
Micro-USB
Yes - Yes
Micro-USB
Contacts
Picture ID Yes Yes n/a Yes Yes
Ringer ID Yes Yes n/a Yes Yes
Voice Dialing - - n/a Yes Yes
Customization
Custom Graphics Yes Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers - - n/a - Yes
Data & Network
Data Tethering - - n/a Yes Yes
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes - n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes - -
Memory
Memory Card Slot - Yes - - -
Messaging
Email Client - Yes n/a - Yes
EMS / Picture Messaging Yes - n/a Yes -
Instant Messaging - Yes n/a - Yes
MMS Yes Yes n/a Yes -
Text Messaging Templates Yes - n/a Yes Yes
Music
Headphone Jack (3.5mm) - Yes - - -
Music Player - Yes n/a - -
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 Yes
Voice Memo Yes Yes n/a Yes Yes
Software
BREW - Yes n/a Yes -
Games Yes Yes n/a Yes Yes
Java (J2ME) Yes - n/a - Yes
Voice
Headset Jack (2.5 mm) Yes - n/a Yes Yes
Speaker Phone Yes Yes - - Yes
  Samsung SGH-X640 Huawei Pinnacle 2 BlackBerry 7750 Samsung SCH-A610 Sanyo SCP-3810 / Mirro
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Huawei Pinnacle 2 BlackBerry 7750 Samsung SCH-A610 Sanyo SCP-3810 / Mirro

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