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Phone ZTE Axon Pro / Axon LG PM-225 Nokia Lumia 521 / 520 Samsung Transform Ultra Motorola Droid Bionic (old)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Released Released Released Not yet released
Specifications 
Display Size 5.5" diag.
16 : 9
? 4" diag.
5 : 3
3.5" diag.
5 : 3
4.3" diag.
16 : 9
Display Resolution & Type 1440 x 2560 pixels
(~534 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~256 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz 60 Hz
Battery 3,000 mAh 1,000 mAh 1,430 mAh 1,500 mAh 1,930 mAh
Processor 2 GHz Qualcomm Snapdragon 810 (MSM8994) ? 1 GHz Qualcomm Snapdragon S4 MSM8270 1 GHz Qualcomm Snapdragon S2 MSM8655 1 GHz Nvidia Tegra dual-core
RAM 4 GB * ? 512 MB ? ?
Storage 32 GB * ? raw hardware 8 GB ? raw hardware ? raw hardware
Main Camera 13 megapixel Yes 5 megapixel 3 megapixel 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 4K UHD - 720p HD VGA (640 x 480) 720p HD
Front Camera 8 megapixel - - Yes Yes
Weight 6.1 oz
(173g)
3.35 oz
(95g)
4.39 oz
(124g)
4.9 oz
(139g)
5.35 oz
(152g)
Dimensions 6.06" x 2.9" x 0.37"
(154 x 74 x 9.4 mm)
3.53" x 1.76" x 0.93"
(90 x 45 x 23.6 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
4.5" x 2.4" x 0.55"
(114 x 61 x 14 mm)
4.96" x 2.63" x 0.54"
(126 x 67 x 13.7 mm)
Form Factor Slab Clamshell Slab Slide Slab
Platform / OS Android (proprietary) Windows Android Android
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 17, 29, 30

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 800, 850, 1900

4G LTE: 13

CDMA: 850, 1900

Data Technology LTE (Cat 6) 1xRTT HSPA+ 21 EVDO rA LTE (Cat 3)
Features 
Flashlight Yes - - - -
GPS / Location n/a Yes n/a n/a n/a
Accessibility
Adjustable Text Size n/a - n/a n/a n/a
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
-
Yes
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot n/a - n/a n/a n/a
NFC Yes - - - -
USB Yes
Micro-USB
Yes Yes Yes Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes Yes
4 (802.11 a,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a Yes n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a - n/a n/a n/a
Data & Network
Data Tethering n/a - n/a n/a n/a
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client n/a - n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a - n/a n/a n/a
Text Messaging Templates n/a - n/a n/a n/a
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - Yes Yes Yes
Music Player n/a - n/a n/a n/a
Photo & Video
DLNA - - - - Yes
Miracast Yes - - - -
TV Output - - - - Yes
Video Calling n/a - n/a n/a n/a
Power
Fast Charging Yes - - - -
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a - n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a Yes n/a n/a n/a
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) n/a Yes n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  ZTE Axon Pro / Axon LG PM-225 Nokia Lumia 521 / 520 Samsung Transform Ultra Motorola Droid Bionic (old)
  X > < X > < X > < X > < X

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

 
Phone ZTE Axon Pro / Axon LG PM-225 Nokia Lumia 521 / 520 Samsung Transform Ultra Motorola Droid Bionic (old)

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