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Phone Samsung SGH-A157 Motorola T720 / T721 (GSM) HTC EVO Design 4G / Hero S (CDMA) Motorola RAZR V3c Motorola i415
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 1.8" diag.
4 : 3
? 4" diag.
16 : 9
? ?
Display Resolution & Type 128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
120 x 160 pixels
LCD (STN)
540 x 960 pixels
(~275 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
130 x 130 pixels
LCD (STN)
Display Refresh ? ? 60 Hz ? ?
Battery 800 mAh ? 1,520 mAh 740 mAh ?
Processor ? ? 1.2 GHz Qualcomm Snapdragon S2 MSM8655 ? ?
RAM ? ? 768 MB ? ?
Storage 256 MB ? raw hardware 4 GB ? raw hardware ? raw hardware
Main Camera - - 5 megapixel 1 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 720p HD ? -
Front Camera - - 1 megapixel - -
Weight 2.99 oz
(85g)
3.56 oz
(101g)
5.22 oz
(148g)
3.49 oz
(99g)
4.7 oz
(133g)
Dimensions 3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
3.5" x 1.87" x 0.83"
(89 x 47 x 21.1 mm)
4.78" x 2.44" x 0.46"
(122 x 62 x 11.8 mm)
3.9" x 2.1" x 0.6"
(99 x 53 x 15.2 mm)
5.5" x 1.9" x 0.85"
(140 x 48 x 21.6 mm)
Form Factor Clamshell Clamshell Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

4G WiMAX: 41

WCDMA: 1, 8

CDMA: 800, 850, 1900

GSM: 850, 1900

*

CDMA: 850, 1900

iDEN: 800

Data Technology ? GPRS WiMAX EVDO r0 -
Features 
Flashlight - - Yes - -
GPS / Location Yes - n/a Yes Yes
Accessibility
Adjustable Text Size Yes - n/a - -
Hearing Aid Compatible Yes - Yes Yes -
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - Yes - Yes -
Ringer Profiles Yes - - - Yes
Connectivity
Bluetooth - - Yes Yes -
Mobile Hotspot - - n/a - -
USB Yes
Micro-USB
- Yes
Micro-USB
Yes
Mini-USB
Yes
Wi-Fi - - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID Yes - n/a Yes Yes
Ringer ID Yes Yes n/a Yes Yes
Voice Dialing - Yes n/a Yes Yes
Customization
Changeable Body Plates - Yes - - -
Custom Graphics Yes Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers Yes - n/a Yes Yes
Data & Network
Data Tethering - Yes n/a Yes Yes
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys - Yes Yes Yes Yes
Touch Screen - - Yes - -
Memory
Memory Card Slot - - Yes - -
Messaging
Email Client - Yes n/a - -
EMS / Picture Messaging - Yes n/a Yes -
Instant Messaging - - n/a - -
MMS Yes - n/a Yes Yes
Text Messaging Templates Yes Yes n/a Yes Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - -
Music Player - - n/a - -
Photo & Video
DLNA - - Yes - -
Productivity
Alarm Yes Yes n/a Yes -
Calculator Yes Yes n/a Yes -
Calendar Yes Yes n/a Yes Yes
To-Do List Yes - n/a - -
Voice Memo Yes Yes n/a Yes Yes
Software
BREW - - n/a Yes -
Games - Yes n/a Yes Yes
Java (J2ME) - Yes n/a - Yes
Voice
Headset Jack (2.5 mm) - Yes n/a - Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes - Yes Yes Yes
  Samsung SGH-A157 Motorola T720 / T721 (GSM) HTC EVO Design 4G / Hero S (CDMA) Motorola RAZR V3c Motorola i415
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-A157 Motorola T720 / T721 (GSM) HTC EVO Design 4G / Hero S (CDMA) Motorola RAZR V3c Motorola i415

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