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Phone Siemens CF75 BlackBerry 7750 Casio G'zOne Commando TCL 20 SE Samsung Heat
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Released Released Released Released
Specifications 
Display Size ? ? 3.6" diag.
5 : 3
6.8" diag.
20.5 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (STN)
240 x 240 pixels
LCD (Color)
480 x 800 pixels
(~259 ppi)
LCD (TFT/TFD)
720 x 1640 pixels
(~263 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 600 mAh ? 1,460 mAh 5,000 mAh 800 mAh
Processor ? ? 800 MHz Qualcomm S2 MSM7630 1.6 GHz Qualcomm Snapdragon 460 ?
RAM ? ? ? 4 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 128 GB ? raw hardware
Main Camera Yes - 5 megapixel 48 megapixel 1 megapixel
Wide Camera - - - 5 megapixel -
Tele Camera - - - - -
Video Capture - - WVGA / 480p 1080p HD ?
Front Camera - - - 13 megapixel -
Weight 3.17 oz
(90g)
5.01 oz
(142g)
5.4 oz
(153g)
7.31 oz
(207g)
3.17 oz
(90g)
Dimensions 3.43" x 1.73" x 1.26"
(87 x 44 x 32 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
5.1" x 2.6" x 0.6"
(130 x 66 x 15.2 mm)
6.78" x 3.04" x 0.35"
(172 x 77 x 8.9 mm)
3.6" x 1.8" x 0.6"
(91 x 46 x 15.2 mm)
Form Factor Clamshell Slab Slab Slab Slide
Platform / OS (proprietary) BlackBerry OS Android Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 26, 28, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EDGE 1xRTT EVDO rA LTE (Cat 4) EVDO r0
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes -
GPS / Location - n/a n/a n/a Yes
Ruggedized - - Yes - -
Accessibility
Adjustable Text Size - n/a n/a n/a Yes
Hearing Aid Compatible - - Yes 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
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) Yes - - - -
Mobile Hotspot - n/a n/a n/a -
USB Yes Yes Yes
Micro-USB
Yes
USB Type C
Yes
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID - n/a n/a n/a Yes
Ringer ID - n/a n/a n/a Yes
Voice Dialing - n/a n/a n/a -
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers - n/a n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a n/a -
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 -
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client Yes n/a n/a n/a -
EMS / Picture Messaging Yes n/a n/a n/a -
Instant Messaging - n/a n/a n/a -
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 -
Music Player - n/a n/a n/a 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 Yes
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 -
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) - n/a n/a n/a -
Push-To-Talk Yes - Yes - -
Speaker Phone Yes - Yes Yes Yes
  Siemens CF75 BlackBerry 7750 Casio G'zOne Commando TCL 20 SE Samsung Heat
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens CF75 BlackBerry 7750 Casio G'zOne Commando TCL 20 SE Samsung Heat

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