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Phone Samsung PM-A840 Samsung Galaxy S II / SGH-i777 Apple iPhone 4 (GSM) LG G4020 Motorola W260g
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4.3" diag.
5 : 3
3.5" diag.
5 : 3
? 1.6" diag.
1 : 1
Display Resolution & Type 128 x 160 pixels
LCD (STN)
480 x 800 pixels
(~217 ppi)
AMOLED
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
128 x 128 pixels
(~113 ppi)
LCD (STN)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery ? 1,650 mAh ? 760 mAh 940 mAh
Processor ? 1.2 GHz Samsung Exynos dual-core Apple A4 ? ?
RAM ? ? ? ? ?
Storage ? raw hardware 16 GB 32 GB * ? raw hardware ? raw hardware
Main Camera Yes 8 megapixel 5 megapixel - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD 720p HD - -
Front Camera - 2 megapixel Yes - -
Weight 3.28 oz
(93g)
4.3 oz
(122g)
4.8 oz
(136g)
3 oz
(85g)
3.17 oz
(90g)
Dimensions 3.54" x 1.85" x 0.94"
(90 x 47 x 23.9 mm)
4.96" x 2.6" x 0.35"
(126 x 66 x 8.9 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
3.19" x 1.69" x 0.82"
(81 x 43 x 20.8 mm)
3.74" x 1.77" x 0.67"
(95 x 45 x 17 mm)
Form Factor Clamshell Slab Slab Clamshell Clamshell
Platform / OS (proprietary) Android iOS (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

GSM: 850, 1900

Data Technology 1xRTT HSPA+ 21 HSPA 7.2 GPRS -
Features 
GPS / Location Yes n/a n/a - -
Accessibility
Adjustable Text Size - n/a n/a - -
Hearing Aid Compatible Yes Yes Yes - Yes
Multiple Languages Yes n/a n/a Yes Yes *
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - Yes -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
-
-
Mobile Hotspot - n/a n/a - -
NFC - Yes - - -
USB - Yes
Micro-USB
Yes - -
Wi-Fi - Yes
4 (802.11 a,b,g,n)
Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID Yes n/a n/a Yes -
Ringer ID Yes n/a n/a Yes -
Voice Dialing Yes n/a n/a - -
Customization
Custom Graphics Yes n/a n/a Yes -
Custom Ringtones Yes n/a n/a Yes -
Real-Music Ringers - n/a n/a - -
Data & Network
Data Tethering - n/a n/a Yes -
WAP / Web Browser Yes n/a n/a Yes -
Input
Predictive Text Entry Yes n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes -
Touch Screen - Yes Yes - -
Memory
Memory Card Slot - Yes - - -
Messaging
Email Client - n/a n/a - -
EMS / Picture Messaging - n/a n/a Yes Yes
Instant Messaging - n/a n/a - -
MMS - n/a n/a Yes -
Text Messaging Templates Yes n/a n/a Yes Yes
Music
Headphone Jack (3.5mm) - Yes Yes - -
Music Player - n/a n/a - -
Photo & Video
DLNA - Yes - - -
TV Output - Yes Yes - -
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator Yes n/a n/a Yes Yes
Calendar Yes n/a n/a Yes Yes
To-Do List Yes n/a n/a - -
Voice Memo Yes n/a n/a - -
Software
Games Yes n/a n/a Yes Yes
Java (J2ME) Yes n/a n/a Yes -
Voice
Headset Jack (2.5 mm) Yes n/a n/a Yes Yes
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Samsung PM-A840 Samsung Galaxy S II / SGH-i777 Apple iPhone 4 (GSM) LG G4020 Motorola W260g
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung PM-A840 Samsung Galaxy S II / SGH-i777 Apple iPhone 4 (GSM) LG G4020 Motorola W260g

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