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Phone Asus ZenFone 4 Coolpad Defiant Motorola ROKR Z6 Samsung SGH-T239 Cricket Debut S2 / AT&T Calypso 4
Current U.S. Carriers (none) (none) (none) (none) AT&T
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.5" diag.
16 : 9
5" diag.
16 : 9
? ? 6.1" diag.
19.5 : 9
Display Resolution & Type 1080 x 1920 pixels
(~401 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ? 60 Hz
Battery 3,300 mAh 2,450 mAh 750 mAh ? 3,000 mAh
Processor 2.2 GHz Qualcomm Snapdragon 630 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ? ? 2 GHz MediaTek Helio A22 (MT6761WB)
RAM 4 GB 1 GB ? ? 3 GB
Storage 64 GB 8 GB ? raw hardware ? raw hardware 64 GB
Main Camera 12 megapixel 5 megapixel 2 megapixel Yes 8 megapixel
Wide Camera Yes - - - -
Tele Camera - - - - -
Video Capture 4K UHD 720p HD ? - ?
Front Camera 8 megapixel 2 megapixel - - 5 megapixel
Weight 5.47 oz
(155g)
6.5 oz
(184g)
4.06 oz
(115g)
3.34 oz
(95g)
5.64 oz
(160g)
Dimensions 6.12" x 2.96" x 0.3"
(155 x 75 x 7.7 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
4.15" x 1.79" x 0.63"
(105 x 45 x 16 mm)
3.78" x 1.87" x 0.68"
(96 x 47 x 17.3 mm)
6.11" x 2.87" x 0.34"
(155 x 73 x 8.6 mm)
Form Factor Slab Slab Slide Slide Slab
Platform / OS Android Android (proprietary) (proprietary) Android
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66

WCDMA: 1, 2, 4, 5, 8

Data Technology LTE (Cat 12) LTE (Cat 4) EDGE GPRS LTE (Cat 4)
Features 
Fingerprint Reader Yes
stand-alone
- - - -
Flashlight Yes Yes - - Yes
Accessibility
Hearing Aid Compatible Yes Yes - Yes Yes
Multiple Languages n/a n/a Yes Yes n/a
TTY/TDD (Digital) - Yes Yes - -
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
NFC Yes - - - -
USB Yes
USB Type C
Yes
Micro-USB
Yes - Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
- - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a n/a Yes Yes n/a
Ringer ID n/a n/a Yes Yes n/a
Customization
Custom Graphics n/a n/a Yes Yes n/a
Custom Ringtones n/a n/a Yes Yes n/a
Real-Music Ringers n/a n/a Yes Yes n/a
Data & Network
Data Tethering n/a n/a Yes - n/a
Dual-SIM Yes - - - -
WAP / Web Browser n/a n/a Yes Yes n/a
Input
Predictive Text Entry n/a n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes Yes - - Yes
Memory
Memory Card Slot Yes Yes Yes - Yes
Messaging
Email Client n/a n/a Yes - n/a
EMS / Picture Messaging n/a n/a Yes Yes n/a
Instant Messaging n/a n/a Yes Yes n/a
MMS n/a n/a Yes Yes n/a
Text Messaging Templates n/a n/a Yes Yes n/a
Music
Headphone Jack (3.5mm) Yes Yes - - Yes
Music Player n/a n/a Yes - n/a
Photo & Video
Miracast Yes - - - -
Power
Fast Charging Yes - - - Yes
Productivity
Alarm n/a n/a Yes Yes n/a
Calculator n/a n/a Yes Yes n/a
Calendar n/a n/a Yes Yes n/a
To-Do List n/a n/a Yes Yes n/a
Voice Memo n/a n/a Yes Yes n/a
Software
Games n/a n/a Yes Yes n/a
Java (J2ME) n/a n/a Yes Yes n/a
Voice
HD Voice - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Asus ZenFone 4 Coolpad Defiant Motorola ROKR Z6 Samsung SGH-T239 Cricket Debut S2 / AT&T Calypso 4
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Asus ZenFone 4 Coolpad Defiant Motorola ROKR Z6 Samsung SGH-T239 Cricket Debut S2 / AT&T Calypso 4

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