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Phone Samsung SPH-Z400 Samsung SGH-X820 Sony Ericsson K750 / W800 / D750 / W700 BlackBerry KEYone Huawei Ascend II
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 1.9" diag.
4 : 3
? ? 4.5" diag.
5 : 3
3.5" diag.
5 : 3
Display Resolution & Type 176 x 220 pixels
(~150 ppi)
LCD (TFT/TFD)
220 x 176 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz 60 Hz
Battery 1,300 mAh 650 mAh 900 mAh 3,505 mAh 1,400 mAh
Processor ? ? ? 2 GHz Qualcomm Snapdragon 625 (MSM8953) 600 MHz Qualcomm S1 MSM7627
RAM ? ? ? 3 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB ? raw hardware
Main Camera 1 megapixel 2 megapixel 2 megapixel 12 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) ? ? 4K UHD VGA (640 x 480)
Front Camera - - - 8 megapixel -
Weight 4.06 oz
(115g)
2.33 oz
(66g)
3.49 oz
(99g)
6.35 oz
(180g)
4.1 oz
(116g)
Dimensions 3.73" x 1.91" x 1"
(95 x 49 x 25.4 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
3.94" x 1.81" x 0.79"
(100 x 46 x 20.1 mm)
5.87" x 2.85" x 0.37"
(149 x 72 x 9.4 mm)
4.6" x 2.4" x 0.5"
(117 x 61 x 12.7 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android Android
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 29, 30, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1700, 1900

Data Technology EVDO rA EDGE GPRS LTE (Cat 6) EVDO rA
Features 
Fingerprint Reader - - - Yes
stand-alone
-
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 - - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - Yes - -
NFC - - - Yes -
USB Yes Yes Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes Yes n/a n/a
Ringer ID Yes Yes Yes n/a n/a
Voice Dialing Yes - Yes n/a n/a
Customization
Custom Graphics Yes 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 n/a n/a
External Antenna Jack - Yes - 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
Text Keyboard, Hardware - - - Yes -
Touch Screen - - - Yes Yes
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client Yes Yes Yes n/a n/a
EMS / Picture Messaging - Yes Yes n/a n/a
Instant Messaging - - - n/a n/a
MMS - Yes Yes n/a n/a
Text Messaging Templates Yes Yes Yes n/a n/a
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) - - - Yes Yes
Music Player - - Yes n/a n/a
Stereo Speakers Yes - - - -
Photo & Video
Miracast - - - Yes -
TV Output - 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 Yes n/a n/a
Voice Memo Yes Yes Yes n/a n/a
Software
Games Yes Yes Yes n/a n/a
Java (J2ME) Yes Yes Yes n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes - - n/a n/a
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SPH-Z400 Samsung SGH-X820 Sony Ericsson K750 / W800 / D750 / W700 BlackBerry KEYone Huawei Ascend II
  X > < X > < X > < X > < X

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

 
Phone Samsung SPH-Z400 Samsung SGH-X820 Sony Ericsson K750 / W800 / D750 / W700 BlackBerry KEYone Huawei Ascend II

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