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Phone ZTE Flash Alcatel Idol Ericsson T66 BlackBerry Pearl 3G 9100 / 9105 Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
4.7" diag.
16 : 9
? 2.3" diag.
1 : 1
?
Display Resolution & Type 720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~234 ppi)
LCD (TFT/TFD)
? 360 x 400 pixels
(~238 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ? ?
Battery 1,780 mAh 1,800 mAh ? 1,150 mAh 800 mAh
Processor 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 1 GHz MediaTek 6577 ? ? ?
RAM 1 GB 512 MB ? ? ?
Storage 8 GB 4 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 12 megapixel 8 megapixel - 3 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD 720p HD - ? -
Front Camera 1 megapixel 2 megapixel - - -
Weight 5.2 oz
(147g)
3.88 oz
(110g)
2.08 oz
(59g)
3.3 oz
(94g)
3 oz
(85g)
Dimensions 5.27" x 2.56" x 0.38"
(134 x 65 x 9.7 mm)
5.24" x 2.66" x 0.31"
(133 x 67 x 7.9 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.25" x 1.96" x 0.52"
(108 x 50 x 13.2 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Slab Slab Slab Slab Clamshell
Platform / OS Android Android (proprietary) BlackBerry OS (proprietary)
Network Bands

4G LTE: 25

CDMA: 800, 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

Data Technology LTE (Cat 3) HSPA 7.2 - HSDPA 3.6 GPRS
Features 
Flashlight - Yes - - -
GPS / Location n/a n/a - n/a -
Accessibility
Adjustable Text Size n/a n/a - n/a -
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages n/a n/a Yes n/a Yes
TTY/TDD (Digital) Yes - - - -
Alerts
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes Yes - Yes -
Mobile Hotspot n/a n/a - n/a -
NFC Yes - - - -
USB Yes
Micro-USB
Yes
Micro-USB
- Yes
Micro-USB
-
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a n/a - n/a Yes
Ringer ID n/a n/a - n/a Yes
Voice Dialing n/a n/a - n/a -
Customization
Custom Graphics n/a n/a Yes n/a Yes
Custom Ringtones n/a n/a Yes n/a Yes
Real-Music Ringers n/a n/a - n/a -
Data & Network
Data Tethering n/a n/a - n/a -
WAP / Web Browser n/a n/a Yes n/a Yes
Input
Predictive Text Entry n/a n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes * -
Touch Screen Yes Yes - - -
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client n/a n/a - n/a -
EMS / Picture Messaging n/a n/a Yes n/a Yes
Instant Messaging n/a n/a - n/a -
MMS n/a n/a - n/a Yes
Text Messaging Templates n/a n/a Yes n/a Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) Yes Yes - Yes -
Music Player n/a n/a - n/a -
Photo & Video
DLNA - Yes - - -
Productivity
Alarm n/a n/a Yes n/a Yes
Calculator n/a n/a Yes n/a Yes
Calendar n/a n/a Yes n/a Yes
To-Do List n/a n/a Yes n/a Yes
Voice Memo n/a n/a - n/a Yes
Software
Games n/a n/a Yes n/a Yes
Java (J2ME) n/a n/a - n/a Yes
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) n/a n/a - n/a Yes
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  ZTE Flash Alcatel Idol Ericsson T66 BlackBerry Pearl 3G 9100 / 9105 Samsung SGH-X640
  X > < X > < X > < X > < X

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

 
Phone ZTE Flash Alcatel Idol Ericsson T66 BlackBerry Pearl 3G 9100 / 9105 Samsung SGH-X640

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