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Phone Samsung SGH-X640 Huawei Pinnacle 2 Alcatel Go Flip / MyFlip Kyocera Hydro Wave / Hydro Air Samsung SGH-i320
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
2.8" diag.
4 : 3
5" diag.
16 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh 900 mAh 1,350 mAh 2,300 mAh ?
Processor ? ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 1.2 GHz Qualcomm Snapdragon 410 (MSM8916) ?
RAM ? ? 512 MB 1 GB ?
Storage ? raw hardware 24 MB 4 GB 8 GB ? raw hardware
Main Camera Yes 1 megapixel 2 megapixel 5 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) 720p HD 1080p HD ?
Front Camera - - - 2 megapixel -
Weight 3 oz
(85g)
3.63 oz
(103g)
4.1 oz
(116g)
5.11 oz
(145g)
3.35 oz
(95g)
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)
4.13" x 2.08" x 0.74"
(105 x 53 x 18.7 mm)
5.66" x 2.85" x 0.42"
(144 x 72 x 10.7 mm)
4.37" x 2.32" x 0.45"
(111 x 59 x 11.4 mm)
Form Factor Clamshell Slab Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android Windows Mobile Standard
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1700, 1900

*

4G LTE: 25, 26, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

Data Technology GPRS 1xRTT LTE (Cat 4) LTE (Cat 4) EDGE
Features 
Flashlight - - - Yes -
GPS / Location - Yes Yes n/a n/a
Ruggedized - - - Yes -
Water-Resistant - - - Yes
IPX7 (snorkeling)
-
Accessibility
Adjustable Text Size - - Yes n/a n/a
Hearing Aid Compatible - Yes Yes Yes -
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display - - Yes - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - - - - Yes
Mobile Hotspot - - Yes n/a n/a
USB - Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes Yes Yes n/a n/a
Ringer ID Yes Yes Yes n/a n/a
Voice Dialing - - - n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers - - Yes n/a n/a
Data & Network
Data Tethering - - - n/a n/a
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry Yes - Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - Yes
Touch Screen - - - Yes -
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - Yes Yes n/a n/a
EMS / Picture Messaging Yes - - n/a n/a
Instant Messaging - Yes - n/a n/a
MMS Yes Yes Yes n/a n/a
Text Messaging Templates Yes - - n/a n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - Yes Yes n/a n/a
Stereo Speakers - - - - Yes
Power
Fast Charging - - - Yes * -
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List Yes - - n/a n/a
Voice Memo Yes Yes - n/a n/a
Software
BREW - Yes - n/a n/a
Games Yes Yes - n/a n/a
Java (J2ME) Yes - - n/a n/a
Voice
HD Voice - - Yes Yes * -
Headset Jack (2.5 mm) Yes - - n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Huawei Pinnacle 2 Alcatel Go Flip / MyFlip Kyocera Hydro Wave / Hydro Air Samsung SGH-i320
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Huawei Pinnacle 2 Alcatel Go Flip / MyFlip Kyocera Hydro Wave / Hydro Air Samsung SGH-i320

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