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Phone Samsung SGH-E640 Nokia 6165i Siemens CT56 Amazon Fire Ericsson R520
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? 4.7" diag.
16 : 9
?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
101 x 64 pixels 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
?
Display Refresh ? ? ? ? ?
Battery 800 mAh 1,150 mAh 700 mAh 2,400 mAh ?
Processor ? ? ? 2.2 GHz Qualcomm Snapdragon 800 ?
RAM ? ? ? 2 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB * ? raw hardware
Main Camera 1 megapixel 1 megapixel - 13 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) ? - 1080p HD -
Front Camera - - - 2 megapixel -
Weight 3.17 oz
(90g)
4.44 oz
(126g)
2.96 oz
(84g)
5.64 oz
(160g)
4.23 oz
(120g)
Dimensions 3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
3.42" x 1.79" x 0.98"
(87 x 45 x 24.9 mm)
3.98" x 1.73" x 0.83"
(101 x 44 x 21.1 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology GPRS 1xRTT GPRS LTE (Cat 4) GPRS
Features 
Flashlight - - - Yes -
GPS / Location - Yes Yes Yes -
Accessibility
Hearing Aid Compatible - - - Yes -
Multiple Languages Yes Yes Yes Yes Yes
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display Yes Yes - - -
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth Yes Yes - Yes Yes
Infrared (IR) - Yes - - Yes
Mobile Hotspot - - - Yes -
NFC - - - Yes -
USB Yes Yes Yes Yes
Micro-USB
-
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes - Yes -
Ringer ID Yes Yes - Yes -
Voice Dialing - Yes Yes Yes Yes
Customization
Changeable Body Plates - - Yes - -
Custom Graphics Yes Yes Yes - -
Custom Ringtones Yes Yes Yes Yes Yes
Real-Music Ringers Yes Yes - - -
Data & Network
Data Tethering - Yes Yes Yes Yes
WAP / Web Browser Yes Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes Yes
Side Keys Yes Yes - Yes Yes
Touch Screen - - - Yes -
Messaging
Email Client Yes - - Yes -
EMS / Picture Messaging Yes - Yes - -
MMS Yes Yes - Yes -
Text Messaging Templates Yes Yes - Yes Yes
Music
Headphone Jack (3.5mm) - - - Yes -
Music Player Yes - - Yes -
Stereo Speakers - - - Yes -
Photo & Video
Miracast - - - Yes -
TV Output - - - Yes -
Productivity
Alarm Yes Yes - Yes Yes
Calculator Yes Yes - Yes Yes
Calendar Yes Yes - Yes Yes
To-Do List Yes Yes - - -
Voice Memo Yes Yes - Yes Yes
Software
BREW - Yes * - - -
Games Yes Yes - Yes Yes
Java (J2ME) Yes Yes * Yes - -
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) - Yes - - -
Push-To-Talk - Yes * - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-E640 Nokia 6165i Siemens CT56 Amazon Fire Ericsson R520
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-E640 Nokia 6165i Siemens CT56 Amazon Fire Ericsson R520

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