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Phone Samsung SGH-X640 Sony Xperia XZ1 Compact Sony Xperia Z5 Compact Sony Ericsson T68i Motorola KRZR K1m
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? 4.6" diag.
16 : 9
4.6" diag.
16 : 9
? ?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~319 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~319 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 800 mAh 2,700 mAh 2,700 mAh 700 mAh 880 mAh
Processor ? 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) 2 GHz Qualcomm Snapdragon 810 (MSM8994) ? ?
RAM ? 4 GB 2 GB ? ?
Storage ? raw hardware 32 GB 32 GB ? raw hardware ? raw hardware
Main Camera Yes 19 megapixel 23 megapixel - 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 4K UHD 4K UHD - ?
Front Camera - 8 megapixel 5 megapixel - -
Weight 3 oz
(85g)
4.9 oz
(139g)
4.87 oz
(138g)
2.96 oz
(84g)
3.63 oz
(103g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.07" x 2.55" x 0.37"
(129 x 65 x 9.4 mm)
5" x 2.56" x 0.35"
(127 x 65 x 8.9 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
4.06" x 1.73" x 0.67"
(103 x 44 x 17 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) Android Android (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 40

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

Data Technology GPRS LTE (Cat 15) LTE (Cat 6) GPRS EVDO r0
Features 
Fingerprint Reader - Yes *
stand-alone
Yes
stand-alone
- -
Flashlight - Yes Yes - -
GPS / Location - n/a n/a - Yes
Water-Resistant - Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size - n/a n/a - -
Hearing Aid Compatible - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
- Yes
M3 (mostly compatible)
Multiple Languages Yes n/a n/a Yes Yes
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - - - Yes -
MirrorLink - - Yes - -
Mobile Hotspot - n/a n/a - -
NFC - Yes Yes - -
USB - Yes
USB Type C
Yes
Micro-USB
- Yes
Mini-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 n/a n/a Yes Yes
Ringer ID Yes n/a n/a Yes Yes
Voice Dialing - n/a n/a Yes Yes
Customization
Custom Graphics Yes n/a n/a Yes Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers - n/a n/a - -
Data & Network
Data Tethering - n/a n/a Yes Yes
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry Yes n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
- -
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client - n/a n/a Yes -
EMS / Picture Messaging Yes n/a n/a Yes Yes
Instant Messaging - n/a n/a - Yes *
MMS Yes n/a n/a Yes Yes
Text Messaging Templates Yes n/a n/a Yes Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes Yes - -
Music Player - n/a n/a - Yes
Stereo Speakers - Yes - - -
Photo & Video
DLNA - Yes Yes - -
Miracast - Yes Yes - -
TV Output - - Yes - -
Power
Fast Charging - Yes Yes - -
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator Yes n/a n/a Yes Yes
Calendar Yes n/a n/a Yes Yes
To-Do List Yes n/a n/a Yes -
Voice Memo Yes n/a n/a Yes Yes
Software
BREW - n/a n/a - Yes *
Games Yes n/a n/a Yes Yes
Java (J2ME) Yes n/a n/a - Yes *
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) Yes n/a n/a - -
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Samsung SGH-X640 Sony Xperia XZ1 Compact Sony Xperia Z5 Compact Sony Ericsson T68i Motorola KRZR K1m
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Sony Xperia XZ1 Compact Sony Xperia Z5 Compact Sony Ericsson T68i Motorola KRZR K1m

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