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Phone Ericsson T66 Samsung Galaxy Attain 4G Sony Ericsson T68i HTC Droid Eris HTC HD7 / HD7S
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.5" diag.
5 : 3
? 3.2" diag.
5 : 3
4.3" diag.
5 : 3
Display Resolution & Type ? 320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~217 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz ?
Battery ? 1,650 mAh 700 mAh 1,300 mAh 1,230 mAh
Processor ? ? ? 528 MHz MSM7600 1 GHz Qualcomm Snapdragon S1 QSD8250
RAM ? 512 MB ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 16 GB
Main Camera - 3 megapixel - 5 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - WVGA / 480p - CIF (352 x 288) 720p HD
Front Camera - 1 megapixel - - -
Weight 2.08 oz
(59g)
4.2 oz
(119g)
2.96 oz
(84g)
4.43 oz
(126g)
5.71 oz
(162g)
Dimensions 3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.57" x 2.38" x 0.46"
(116 x 60 x 11.7 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
4.45" x 2.19" x 0.52"
(113 x 55 x 13.2 mm)
4.8" x 2.7" x 0.44"
(122 x 69 x 11.2 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) Android (proprietary) Android Windows
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

*

Data Technology - LTE (Cat 3) GPRS EVDO rA HSPA 7.2
Features 
GPS / Location - n/a - n/a n/a
Accessibility
Hearing Aid Compatible - Yes - Yes -
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Ringer Profiles Yes - Yes - -
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - - Yes - -
USB - Yes
Micro-USB
- Yes
Mini-USB
Yes
Micro-USB
Wi-Fi - Yes - Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
Contacts
Picture ID - n/a Yes n/a n/a
Ringer ID - n/a Yes n/a n/a
Voice Dialing - n/a Yes n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers - n/a - n/a n/a
Data & Network
Data Tethering - n/a Yes n/a n/a
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes - Yes Yes
Memory
Memory Card Slot - Yes - Yes -
Messaging
Email Client - n/a Yes n/a n/a
EMS / Picture Messaging Yes n/a Yes n/a n/a
Instant Messaging - n/a - n/a n/a
MMS - n/a Yes n/a n/a
Text Messaging Templates Yes n/a Yes n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player - n/a - n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
DLNA - Yes - - -
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List Yes n/a Yes n/a n/a
Voice Memo - n/a Yes n/a n/a
Software
Games Yes n/a Yes n/a n/a
Voice
Speaker Phone - Yes - Yes Yes
  Ericsson T66 Samsung Galaxy Attain 4G Sony Ericsson T68i HTC Droid Eris HTC HD7 / HD7S
  X > < X > < X > < X > < X

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

 
Phone Ericsson T66 Samsung Galaxy Attain 4G Sony Ericsson T68i HTC Droid Eris HTC HD7 / HD7S

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