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Phone Samsung SGH-X640 Sony Xperia XZ1 Compact Sony Ericsson T68i Motorola KRZR K1m Sony Xperia Z5 Compact
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet 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)
101 x 80 pixels
LCD (STN)
176 x 220 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~319 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? 60 Hz
Battery 800 mAh 2,700 mAh 700 mAh 880 mAh 2,700 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 ? raw hardware ? raw hardware 32 GB
Main Camera Yes 19 megapixel - 1 megapixel 23 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)
2.96 oz
(84g)
3.63 oz
(103g)
4.87 oz
(138g)
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)
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)
5" x 2.56" x 0.35"
(127 x 65 x 8.9 mm)
Form Factor Clamshell Slab Slab Clamshell Slab
Platform / OS (proprietary) Android (proprietary) (proprietary) Android
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

GSM: 900, 1800, 1900

CDMA: 850, 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

Data Technology GPRS LTE (Cat 15) GPRS EVDO r0 LTE (Cat 6)
Features 
Fingerprint Reader - Yes *
stand-alone
- - Yes
stand-alone
Flashlight - Yes - - Yes
GPS / Location - n/a - Yes n/a
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 (mostly compatible)
Yes
M3, T4 (very tele-coil compatible)
Multiple Languages Yes n/a Yes Yes n/a
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
Mini-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 n/a Yes Yes n/a
Ringer ID Yes n/a Yes Yes n/a
Voice Dialing - n/a Yes Yes n/a
Customization
Custom Graphics Yes n/a Yes Yes n/a
Custom Ringtones Yes n/a Yes Yes n/a
Real-Music Ringers - n/a - - n/a
Data & Network
Data Tethering - n/a Yes Yes n/a
WAP / Web Browser Yes n/a Yes Yes n/a
Input
Predictive Text Entry Yes n/a Yes Yes n/a
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 Yes - n/a
EMS / Picture Messaging Yes n/a Yes Yes n/a
Instant Messaging - n/a - Yes * n/a
MMS Yes n/a Yes Yes n/a
Text Messaging Templates Yes n/a Yes Yes n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes - - Yes
Music Player - n/a - Yes n/a
Stereo Speakers - Yes - - -
Photo & Video
DLNA - Yes - - Yes
Miracast - Yes - - Yes
TV Output - - - - Yes
Power
Fast Charging - Yes - - Yes
Productivity
Alarm Yes n/a Yes Yes n/a
Calculator Yes n/a Yes Yes n/a
Calendar Yes n/a Yes Yes n/a
To-Do List Yes n/a Yes - n/a
Voice Memo Yes n/a Yes Yes n/a
Software
BREW - n/a - Yes * n/a
Games Yes n/a Yes Yes n/a
Java (J2ME) Yes n/a - Yes * n/a
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 Ericsson T68i Motorola KRZR K1m Sony Xperia Z5 Compact
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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 Ericsson T68i Motorola KRZR K1m Sony Xperia Z5 Compact

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