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Phone Nokia N75 Alcatel Pop Astro Kyocera DuraXTP Samsung SGH-E640 Siemens A56 / A56i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
4.5" diag.
16 : 9
2.4" diag.
4 : 3
? ?
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
101 x 64 pixels
Display Refresh ? 60 Hz ? ? ?
Battery 800 mAh 2,000 mAh 1,500 mAh 800 mAh 700 mAh
Processor ? 1.5 GHz MediaTek MTK6732 480 MHz Qualcomm QSC6185 ? ?
RAM ? 1 GB 256 MB ? ?
Storage ? raw hardware 4 GB 512 MB ? raw hardware ? raw hardware
Main Camera 2 megapixel 5 megapixel 5 megapixel 1 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture CIF (352 x 288) 1080p HD QVGA (320 x 240) QCIF (176 x 144) -
Front Camera - Yes - - -
Weight 4.36 oz
(124g)
5.11 oz
(145g)
5.75 oz
(163g)
3.17 oz
(90g)
3 oz
(85g)
Dimensions 3.74" x 2.05" x 0.8"
(95 x 52 x 20.3 mm)
5.23" x 2.57" x 0.39"
(133 x 65 x 9.9 mm)
4.13" x 2.15" x 0.99"
(105 x 55 x 25.1 mm)
3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
4" x 1.7" x 0.8"
(102 x 43 x 20.3 mm)
Form Factor Clamshell Slab Clamshell Clamshell Slab
Platform / OS S60 (Symbian) Android (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 850, 1900

Data Technology WCDMA (UMTS) LTE (Cat 4) EVDO rA GPRS -
Features 
Flashlight - Yes Yes - -
GPS / Location n/a n/a Yes - Yes
Ruggedized - - Yes - -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size n/a n/a Yes - -
Hearing Aid Compatible - Yes Yes - -
Multiple Languages n/a n/a Yes Yes -
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display Yes - Yes Yes -
Ringer Profiles Yes - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) Yes - - - -
Mobile Hotspot n/a n/a - - -
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes -
Wi-Fi - Yes
4 (802.11 b,g,n)
- - -
Contacts
Picture ID n/a n/a Yes Yes Yes
Ringer ID n/a n/a Yes Yes Yes
Voice Dialing n/a n/a Yes - -
Customization
Changeable Body Plates - - - - Yes
Custom Graphics n/a n/a Yes Yes Yes
Custom Ringtones n/a n/a Yes Yes Yes
Real-Music Ringers n/a n/a Yes Yes -
Data & Network
Data Tethering n/a n/a - - -
WAP / Web Browser n/a n/a Yes Yes Yes
Input
Predictive Text Entry n/a n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes -
Touch Screen - Yes - - -
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client n/a n/a Yes Yes -
EMS / Picture Messaging n/a n/a - Yes Yes
Instant Messaging n/a n/a - - -
MMS n/a n/a Yes Yes -
Text Messaging Templates n/a n/a Yes Yes -
Music
FM Radio Yes Yes - - -
Headphone Jack (3.5mm) - Yes Yes - -
Music Player n/a n/a - Yes -
Stereo Speakers Yes - - - -
Productivity
Alarm n/a n/a Yes Yes Yes
Calculator n/a n/a Yes Yes Yes
Calendar n/a n/a Yes Yes -
To-Do List n/a n/a Yes Yes -
Voice Memo n/a n/a Yes Yes -
Software
Games n/a n/a Yes Yes Yes
Java (J2ME) n/a n/a - Yes -
Voice
HD Voice - Yes - - -
Push-To-Talk - - Yes - -
Speaker Phone Yes Yes Yes Yes -
  Nokia N75 Alcatel Pop Astro Kyocera DuraXTP Samsung SGH-E640 Siemens A56 / A56i
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia N75 Alcatel Pop Astro Kyocera DuraXTP Samsung SGH-E640 Siemens A56 / A56i

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