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Phone Samsung SGH-A657 Samsung Exhibit II 4G / Galaxy Exhibit 4G Alcatel Idol Pantech Duo C810 Motorola Moto X (CDMA, 2nd gen.)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.7" diag.
5 : 3
4.7" diag.
16 : 9
2.2" diag.
4 : 3
5.2" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~234 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
AMOLED
Display Refresh ? 60 Hz 60 Hz ? 60 Hz
Battery 1,420 mAh 1,500 mAh 1,800 mAh 1,320 mAh 2,300 mAh
Processor ? 1 GHz Qualcomm Snapdragon S2 MSM8255 1 GHz MediaTek 6577 ARM 920t PXA27x 2.5 GHz Qualcomm Snapdragon 801 (MSM8974-AC)
RAM ? 512 MB 512 MB ? 2 GB
Storage ? raw hardware 4 GB 4 GB ? raw hardware 16 GB *
Main Camera - 3 megapixel 8 megapixel 1 megapixel 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - VGA (640 x 480) 720p HD QVGA (320 x 240) 4K UHD
Front Camera - Yes 2 megapixel - 2 megapixel
Weight 4.34 oz
(123g)
4 oz
(113g)
3.88 oz
(110g)
3.88 oz
(110g)
5.08 oz
(144g)
Dimensions 4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
4.54" x 2.35" x 0.45"
(115 x 60 x 11.4 mm)
5.24" x 2.66" x 0.31"
(133 x 67 x 7.9 mm)
4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
5.54" x 2.85" x 0.39"
(141 x 72 x 9.9 mm)
Form Factor Slab Slab Slab Slide Slab
Platform / OS (proprietary) Android Android Windows Mobile Standard Android
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 7, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology HSDPA 3.6 HSPA 14.4 HSPA 7.2 HSDPA 1.8 LTE (Cat 4)
Features 
Flashlight Yes - Yes - -
GPS / Location Yes n/a n/a n/a n/a
Ruggedized Yes - - - -
Accessibility
Adjustable Text Size - n/a n/a n/a n/a
Hearing Aid Compatible - Yes Yes - Yes
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) Yes - - - Yes
Alerts
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot - n/a n/a n/a n/a
NFC - - - - Yes
USB Yes Yes Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a n/a n/a
Ringer ID Yes n/a n/a n/a n/a
Voice Dialing - n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - Yes Yes - Yes
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client Yes n/a n/a n/a n/a
Instant Messaging Yes n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes Yes - Yes
Music Player Yes n/a n/a n/a n/a
Photo & Video
DLNA - Yes Yes - -
Miracast - - - - Yes
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List Yes n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a n/a
Voice
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-A657 Samsung Exhibit II 4G / Galaxy Exhibit 4G Alcatel Idol Pantech Duo C810 Motorola Moto X (CDMA, 2nd gen.)
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-A657 Samsung Exhibit II 4G / Galaxy Exhibit 4G Alcatel Idol Pantech Duo C810 Motorola Moto X (CDMA, 2nd gen.)

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