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Phone Samsung SGH-A657 Samsung Galaxy J2 / J2 Pure / J2 Dash Sony Ericsson Xperia X10 mini (2010) Palm Treo 680 HTC G2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? 5" diag.
16 : 9
2.6" diag.
4 : 3
? 3.7" diag.
5 : 3
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~157 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? 60 Hz
Battery 1,420 mAh 2,600 mAh ? ? 1,300 mAh
Processor ? 1.4 GHz Samsung Exynos 7570 600 MHz Qualcomm S1 MSM7227 ? 800 MHz Qualcomm S2 MSM7230
RAM ? 2 GB ? ? ?
Storage ? raw hardware 16 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera - 8 megapixel 5 megapixel Yes 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD VGA (640 x 480) CIF (352 x 288) 720p HD
Front Camera - 5 megapixel - - -
Weight 4.34 oz
(123g)
5.43 oz
(154g)
3.11 oz
(88g)
5.5 oz
(156g)
6.5 oz
(184g)
Dimensions 4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
5.65" x 2.84" x 0.35"
(144 x 72 x 8.9 mm)
3.26" x 1.97" x 0.64"
(83 x 50 x 16.3 mm)
4.4" x 2.3" x 0.8"
(112 x 58 x 20.3 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) Android Android Palm OS Android
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 LTE (Cat 4) HSPA 7.2 EDGE HSPA 14.4
Features 
Flashlight Yes Yes - - -
GPS / Location Yes n/a n/a n/a n/a
Ruggedized Yes - - - -
Accessibility
Hearing Aid Compatible - Yes - - Yes
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) Yes Yes - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - - Yes -
Mobile Hotspot - n/a n/a n/a n/a
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
- Yes
4 (802.11 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
External Antenna Jack - 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 Yes
Touch Screen - Yes Yes Yes Yes
Memory
Memory Card Slot Yes 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
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
Headset Jack (2.5 mm) - n/a n/a n/a n/a
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-A657 Samsung Galaxy J2 / J2 Pure / J2 Dash Sony Ericsson Xperia X10 mini (2010) Palm Treo 680 HTC G2
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-A657 Samsung Galaxy J2 / J2 Pure / J2 Dash Sony Ericsson Xperia X10 mini (2010) Palm Treo 680 HTC G2

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