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Phone Samsung SGH-E640 Apple iPhone 3G Samsung Galaxy S6 (GSM) BlackBerry Classic (CDMA) LG GU292 / GU295
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.5" diag.
5 : 3
5.1" diag.
16 : 9
3.5" diag.
1 : 1
2" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
720 x 720 pixels
(~291 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 800 mAh ? 2,550 mAh 2,515 mAh 900 mAh
Processor ? ? 2.1 GHz Samsung Exynos 7420 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 ?
RAM ? ? 3 GB 2 GB ?
Storage ? raw hardware 16 GB * 32 GB * 16 GB ? raw hardware
Main Camera 1 megapixel 2 megapixel 16 megapixel 8 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) - 4K UHD 1080p HD ?
Front Camera - - 5 megapixel 2 megapixel -
Weight 3.17 oz
(90g)
4.7 oz
(133g)
4.87 oz
(138g)
6.28 oz
(178g)
3.71 oz
(105g)
Dimensions 3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
4.52" x 2.44" x 0.49"
(115 x 62 x 12.4 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
5.16" x 2.85" x 0.4"
(131 x 72 x 10.2 mm)
3.98" x 1.85" x 0.63"
(101 x 47 x 16 mm)
Form Factor Clamshell Slab Slab Slab Slide
Platform / OS (proprietary) iOS Android BlackBerry 10 (proprietary)
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 3, 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 1800, 1900

Data Technology GPRS HSDPA 3.6 LTE (Cat 6) LTE (Cat 3) HSDPA 3.6
Features 
Fingerprint Reader - - Yes - -
Flashlight - - Yes - -
GPS / Location - n/a n/a n/a Yes
VR-ready - - Yes - -
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible - - Yes Yes -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - Yes - -
MirrorLink - - Yes - -
Mobile Hotspot - n/a n/a n/a -
NFC - - Yes Yes -
USB Yes Yes Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing - n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers Yes n/a n/a n/a Yes
Data & Network
Data Tethering - n/a n/a n/a Yes
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot - - - Yes Yes
Messaging
Email Client Yes n/a n/a n/a Yes
EMS / Picture Messaging Yes n/a n/a n/a -
Instant Messaging - n/a n/a n/a Yes
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player Yes n/a n/a n/a Yes
Photo & Video
DLNA - - Yes Yes -
Miracast - - Yes Yes -
TV Output - Yes Yes Yes -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a -
Voice Memo Yes n/a n/a n/a Yes
Software
Games Yes n/a n/a n/a Yes
Java (J2ME) Yes n/a n/a n/a Yes
Voice
HD Voice - - Yes - -
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-E640 Apple iPhone 3G Samsung Galaxy S6 (GSM) BlackBerry Classic (CDMA) LG GU292 / GU295
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-E640 Apple iPhone 3G Samsung Galaxy S6 (GSM) BlackBerry Classic (CDMA) LG GU292 / GU295

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