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Phone Samsung Convoy 3 Samsung SGH-ZX20 Ericsson R520 Alcatel Idol 4S HTC SDA (USA) / SP5m (Tornado)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? ? 5.5" diag.
16 : 9
2.2" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
? 1440 x 2560 pixels
(~534 ppi)
AMOLED
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 1,300 mAh ? ? 3,000 mAh ?
Processor 480 MHz Qualcomm QSC6185 ? ? 1.8 GHz Qualcomm Snapdragon 652 (MSM8976) ?
RAM 256 MB ? ? 3 GB ?
Storage 512 MB ? raw hardware ? raw hardware 32 GB ? raw hardware
Main Camera 3 megapixel 1 megapixel - 16 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) QCIF (176 x 144) - 4K UHD QCIF (176 x 144)
Front Camera - - - 8 megapixel -
Weight 4.4 oz
(125g)
3.95 oz
(112g)
4.23 oz
(120g)
5.26 oz
(149g)
3.74 oz
(106g)
Dimensions 4.07" x 2.04" x 0.82"
(103 x 52 x 20.8 mm)
3.46" x 1.89" x 1.02"
(88 x 48 x 25.9 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
6.06" x 2.97" x 0.28"
(154 x 75 x 7 mm)
4.53" x 1.82" x 0.69"
(115 x 46 x 17.5 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android Windows Mobile Standard
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA HSDPA 1.8 GPRS LTE (Cat 4) EDGE
Features 
Fingerprint Reader - - - Yes * -
Flashlight Yes - - Yes -
GPS / Location Yes - - n/a n/a
Ruggedized Yes - - - -
Accessibility
Adjustable Text Size Yes - - n/a n/a
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display Yes Yes - - -
Ringer Profiles - Yes Yes - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - Yes - Yes
Mobile Hotspot - - - n/a n/a
NFC - - - Yes -
USB Yes Yes - Yes
Micro-USB
Yes
Mini-USB
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
Yes
Contacts
Picture ID Yes Yes - n/a n/a
Ringer ID Yes Yes - n/a n/a
Voice Dialing Yes - Yes n/a n/a
Customization
Custom Graphics Yes Yes - n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers Yes Yes - n/a n/a
Data & Network
Data Tethering Yes Yes Yes n/a n/a
Dual-SIM - - - Yes * -
External Antenna Jack - - - n/a n/a
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - - Yes -
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client Yes Yes - n/a n/a
Instant Messaging - Yes - n/a n/a
MMS Yes Yes - n/a n/a
Text Messaging Templates Yes Yes Yes n/a n/a
Music
Headphone Jack (3.5mm) Yes - - Yes -
Music Player Yes Yes - n/a n/a
Stereo Speakers Yes - - Yes -
Photo & Video
Miracast - - - Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List - Yes - n/a n/a
Voice Memo Yes Yes Yes n/a n/a
Software
BREW Yes - - n/a n/a
Games Yes Yes Yes n/a n/a
Java (J2ME) - Yes - n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) - - - n/a n/a
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Convoy 3 Samsung SGH-ZX20 Ericsson R520 Alcatel Idol 4S HTC SDA (USA) / SP5m (Tornado)
  X > < X > < X > < X > < X

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

 
Phone Samsung Convoy 3 Samsung SGH-ZX20 Ericsson R520 Alcatel Idol 4S HTC SDA (USA) / SP5m (Tornado)

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