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Phone Samsung SCH-A645 ZTE MSGM8 II Samsung SGH-P850 / P858 Sony Xperia Z1 / Z1s Amazon Fire
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.2" diag.
4 : 3
? 5" diag.
16 : 9
4.7" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (STN)
220 x 176 pixels
(~130 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 1,000 mAh 900 mAh 950 mAh 3,000 mAh 2,400 mAh
Processor ? ? ? 2.2 GHz Qualcomm Snapdragon 800 MSM8974 2.2 GHz Qualcomm Snapdragon 800
RAM ? ? ? 2 GB 2 GB
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB * 32 GB *
Main Camera - 1 megapixel 3 megapixel 20 megapixel 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - ? 1080p HD 1080p HD
Front Camera - - - 2 megapixel 2 megapixel
Weight 3.2 oz
(91g)
3.65 oz
(104g)
4.23 oz
(120g)
5.96 oz
(169g)
5.64 oz
(160g)
Dimensions 3.54" x 1.79" x 0.94"
(90 x 45 x 23.9 mm)
4.2" x 2.4" x 0.54"
(107 x 61 x 13.7 mm)
3.77" x 1.86" x 0.96"
(96 x 47 x 24.4 mm)
5.69" x 2.91" x 0.33"
(144 x 74 x 8.5 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
Form Factor Clamshell Slab Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1700, 1900

GSM: 900, 1800, 1900

4G LTE: 4, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT 1xRTT EDGE HSPA+ 42 LTE (Cat 4)
Features 
Flashlight - - - - Yes
GPS / Location Yes Yes - n/a Yes
Ruggedized - - - Yes -
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size - - - n/a -
Hearing Aid Compatible Yes Yes - Yes Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display Yes - Yes - -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
MirrorLink - - - Yes -
Mobile Hotspot - - - n/a Yes
NFC - - - Yes Yes
USB - Yes
Mini-USB
Yes Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes Yes n/a Yes
Ringer ID - Yes Yes n/a Yes
Voice Dialing Yes Yes - n/a Yes
Customization
Custom Graphics Yes Yes Yes n/a -
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers - Yes Yes n/a -
Data & Network
Data Tethering - - - n/a Yes
WAP / Web Browser Yes * Yes Yes n/a Yes
Input
Predictive Text Entry Yes - Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - - - Yes Yes
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client - - Yes n/a Yes
EMS / Picture Messaging Yes - - n/a -
Instant Messaging - - - n/a -
MMS - Yes Yes n/a Yes
Text Messaging Templates Yes - Yes n/a Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - - Yes Yes
Music Player - - Yes n/a Yes
Stereo Speakers - - Yes - Yes
Photo & Video
DLNA - - - Yes -
Miracast - - - Yes Yes
TV Output - - Yes Yes 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 - - n/a -
Voice Memo Yes Yes Yes n/a Yes
Software
BREW Yes * Yes - n/a -
Games Yes * Yes Yes n/a Yes
Java (J2ME) - - Yes n/a -
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes Yes - n/a -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A645 ZTE MSGM8 II Samsung SGH-P850 / P858 Sony Xperia Z1 / Z1s Amazon Fire
  X > < X > < X > < X > < X

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

 
Phone Samsung SCH-A645 ZTE MSGM8 II Samsung SGH-P850 / P858 Sony Xperia Z1 / Z1s Amazon Fire

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