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Phone ZTE Obsidian Samsung SGH-E635 / SGH-E630 Nokia Lumia 920 Motorola Droid Maxx Samsung Wafer R510
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
? 4.5" diag.
5 : 3
5" diag.
16 : 9
1.9" diag.
4 : 3
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
768 x 1280 pixels
(~332 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
AMOLED
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz ?
Battery 1,800 mAh 800 mAh 2,000 mAh 3,500 mAh 800 mAh
Processor 1 GHz MediaTek / MT6735M ? 1.5 GHz Qualcomm Snapdragon S4 1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960T ?
RAM 1 GB ? 1 GB 2 GB ?
Storage 8 GB ? raw hardware 32 GB 32 GB ? raw hardware
Main Camera 5 megapixel Yes 8 megapixel 10 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD - 1080p HD 1080p HD ?
Front Camera 2 megapixel - 1 megapixel 2 megapixel -
Weight 4.66 oz
(132g)
2.78 oz
(79g)
6.53 oz
(185g)
5.89 oz
(167g)
2.47 oz
(70g)
Dimensions 5.41" x 2.7" x 0.39"
(137 x 69 x 10 mm)
3.34" x 1.69" x 0.85"
(85 x 43 x 21.6 mm)
5.12" x 2.79" x 0.42"
(130 x 71 x 10.7 mm)
5.41" x 2.8" x 0.33"
(137 x 71 x 8.5 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
Form Factor Slab Slide Slab Slab Slab
Platform / OS Android (proprietary) Windows Android (proprietary)
Network Bands

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1800, 1900

*

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology LTE (Cat 4) GPRS LTE (Cat 3) LTE (Cat 3) EVDO r0
Features 
Flashlight Yes - - - -
GPS / Location n/a - n/a n/a Yes
Accessibility
Adjustable Text Size n/a - n/a n/a -
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages n/a Yes n/a n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Connectivity
Bluetooth Yes - Yes Yes Yes
Infrared (IR) - Yes - - -
Mobile Hotspot n/a - n/a n/a -
NFC - - Yes Yes -
USB Yes
Micro-USB
- Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
4 (802.11 a,b,g,n)
Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID n/a Yes n/a n/a Yes
Ringer ID n/a Yes n/a n/a -
Voice Dialing n/a - n/a n/a Yes
Customization
Custom Graphics n/a Yes n/a n/a Yes
Custom Ringtones n/a Yes n/a n/a Yes
Real-Music Ringers n/a - n/a n/a -
Data & Network
Data Tethering n/a Yes n/a n/a -
WAP / Web Browser n/a Yes n/a n/a Yes
Input
Predictive Text Entry n/a Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes - Yes Yes -
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client n/a - n/a n/a -
EMS / Picture Messaging n/a Yes n/a n/a -
Instant Messaging n/a - n/a n/a -
MMS n/a Yes n/a n/a Yes
Text Messaging Templates n/a Yes n/a n/a -
Music
Headphone Jack (3.5mm) Yes - Yes Yes -
Music Player n/a - n/a n/a Yes
Stereo Speakers - - - - Yes
Photo & Video
Miracast - - - Yes -
Power
Wireless Charging - - Yes Yes -
Productivity
Alarm n/a Yes n/a n/a Yes
Calculator n/a Yes n/a n/a Yes
Calendar n/a Yes n/a n/a Yes
To-Do List n/a Yes n/a n/a -
Voice Memo n/a Yes n/a n/a Yes
Software
BREW n/a - n/a n/a Yes
Games n/a Yes n/a n/a Yes
Java (J2ME) n/a Yes n/a n/a -
Voice
Speaker Phone Yes Yes Yes Yes Yes
  ZTE Obsidian Samsung SGH-E635 / SGH-E630 Nokia Lumia 920 Motorola Droid Maxx Samsung Wafer R510
  X > < X > < X > < X > < X

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

 
Phone ZTE Obsidian Samsung SGH-E635 / SGH-E630 Nokia Lumia 920 Motorola Droid Maxx Samsung Wafer R510

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