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Phone Sony Ericsson K750 / W800 / D750 / W700 Ericsson R520 Samsung SPH-A520 Sony Xperia Z Ultra Nuu F4L
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Not yet released
Specifications 
Display Size ? ? ? 6.4" diag.
16 : 9
2.8" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
? ?
LCD (STN)
1080 x 1920 pixels
(~344 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (STN)
Display Refresh ? ? ? 60 Hz 60 Hz
Battery 900 mAh ? ? 3,050 mAh 1,350 mAh
Processor ? ? ? 2.2 GHz Qualcomm Snapdragon 800 MSM8974 1.1 GHz MediaTek MT6731
RAM ? ? ? 2 GB 512 MB
Storage ? raw hardware ? raw hardware ? raw hardware 16 GB 4 GB
Main Camera 2 megapixel - - 8 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - - 1080p HD 720p HD
Front Camera - - - 2 megapixel Yes
Weight 3.49 oz
(99g)
4.23 oz
(120g)
3.6 oz
(102g)
7.48 oz
(212g)
4.5 oz
(128g)
Dimensions 3.94" x 1.81" x 0.79"
(100 x 46 x 20.1 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.46" x 1.83" x 0.91"
(88 x 46 x 23.1 mm)
7.06" x 3.63" x 0.26"
(179 x 92 x 6.5 mm)
4.31" x 2.27" x 0.83"
(109 x 58 x 21 mm)
Form Factor Slab Slab Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12, 13, 66

WCDMA: 2, 4, 5

GSM: 850, 1900

Data Technology GPRS GPRS 1xRTT LTE (Cat 4) LTE (Cat 4)
Features 
Flashlight Yes - - - Yes
GPS / Location - - Yes n/a Yes
Ruggedized - - - Yes -
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size - - - n/a Yes
Hearing Aid Compatible - - - Yes Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes - - - Yes
Alerts
Extra Display - - Yes - Yes
Ringer Profiles Yes Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
HSP, Sync, OPP, DUN
- Yes
Classic Audio
Yes
Infrared (IR) Yes Yes - - -
MirrorLink - - - Yes -
Mobile Hotspot - - - n/a -
NFC - - - Yes -
USB Yes - - Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - - Yes Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes - Yes n/a Yes
Ringer ID Yes - Yes n/a Yes
Voice Dialing Yes Yes Yes n/a -
Customization
Custom Graphics Yes - Yes n/a Yes
Custom Ringtones Yes Yes Yes n/a -
Real-Music Ringers - - - n/a -
Data & Network
Data Tethering Yes Yes Yes n/a -
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - - Yes -
Memory
Memory Card Slot Yes - - Yes Yes
Messaging
Email Client Yes - - n/a Yes
EMS / Picture Messaging Yes - - n/a -
Instant Messaging - - - n/a Yes
MMS Yes - - n/a Yes
Text Messaging Templates Yes Yes - n/a Yes
Music
FM Radio Yes - - Yes Yes
Headphone Jack (3.5mm) - - - Yes Yes
Music Player Yes - - n/a Yes
Photo & Video
DLNA - - - Yes -
Miracast - - - Yes -
TV Output - - - Yes -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List Yes - Yes n/a -
Voice Memo Yes Yes Yes n/a Yes
Software
Games Yes Yes Yes n/a -
Java (J2ME) Yes - - n/a -
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) - - Yes n/a -
Speaker Phone Yes Yes - Yes Yes
  Sony Ericsson K750 / W800 / D750 / W700 Ericsson R520 Samsung SPH-A520 Sony Xperia Z Ultra Nuu F4L
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sony Ericsson K750 / W800 / D750 / W700 Ericsson R520 Samsung SPH-A520 Sony Xperia Z Ultra Nuu F4L

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