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Phone Samsung SGH-X400 Motorola i670 Samsung Galaxy S II, Epic 4G Touch Samsung SCH-A990
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 4.5" diag.
5 : 3
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
130 x 130 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~206 ppi)
AMOLED
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery 620 mAh ? 1,800 mAh 1,000 mAh
Processor ? ? 1.2 GHz Samsung Exynos C210 dual-core ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware 16 GB ? raw hardware
Main Camera - - 8 megapixel 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - 1080p HD ?
Front Camera - - 2 megapixel -
Weight 3.17 oz
(90g)
4.06 oz
(115g)
4.55 oz
(129g)
4.4 oz
(125g)
Dimensions 3.39" x 1.81" x 0.8"
(86 x 46 x 20.3 mm)
3.46" x 2" x 1.02"
(88 x 51 x 25.9 mm)
5.1" x 2.7" x 0.38"
(130 x 69 x 9.6 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
Form Factor Clamshell Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

iDEN: 800

4G WiMAX: 41

CDMA: 800, 850, 1900

*

CDMA: 850, 1900

Data Technology GPRS WiDEN WiMAX EVDO r0
Features 
Flashlight - - - Yes
GPS / Location - Yes n/a Yes
Accessibility
Adjustable Text Size - Yes n/a -
Hearing Aid Compatible - Yes Yes Yes
Multiple Languages Yes - n/a Yes
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display Yes - - Yes
Ringer Profiles - Yes - -
Connectivity
Bluetooth - - Yes Yes
Infrared (IR) Yes - - -
Mobile Hotspot - - n/a -
USB - - Yes
Micro-USB
Yes
Wi-Fi - - Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID Yes - n/a Yes
Ringer ID Yes Yes n/a Yes
Voice Dialing - Yes n/a Yes
Customization
Custom Graphics Yes Yes n/a Yes
Custom Ringtones Yes Yes n/a Yes
Real-Music Ringers - - n/a Yes
Data & Network
Data Tethering - Yes n/a Yes
WAP / Web Browser Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen - - Yes -
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client - - n/a -
EMS / Picture Messaging Yes - n/a Yes
Instant Messaging - - n/a -
MMS - Yes n/a Yes
Text Messaging Templates Yes Yes n/a Yes
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) - - Yes -
Music Player - - n/a Yes
Stereo Speakers - - - Yes
Photo & Video
DLNA - - Yes -
TV Output - - Yes Yes
Productivity
Alarm Yes - n/a Yes
Calculator Yes - n/a Yes
Calendar Yes Yes n/a Yes
To-Do List Yes - n/a -
Voice Memo - Yes n/a Yes
Software
BREW - - n/a Yes
Games Yes - n/a Yes
Java (J2ME) Yes Yes n/a -
Voice
Headset Jack (2.5 mm) Yes Yes n/a -
Push-To-Talk - Yes - -
Speaker Phone - Yes Yes Yes
  Samsung SGH-X400 Motorola i670 Samsung Galaxy S II, Epic 4G Touch Samsung SCH-A990
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Phone Samsung SGH-X400 Motorola i670 Samsung Galaxy S II, Epic 4G Touch Samsung SCH-A990

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