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Phone Samsung SGH-X660 Motorola KRZR K1 Samsung Galaxy S6 (GSM) HP Elite x3 Bold N2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 5.1" diag.
16 : 9
6" diag.
16 : 9
6.6" diag.
19.5 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
1440 x 2560 pixels
(~493 ppi)
AMOLED
1080 x 2340 pixels
(~390 ppi)
AMOLED
Display Refresh ? ? 60 Hz ? 60 Hz
Battery 800 mAh 780 mAh 2,550 mAh 4,150 mAh 4,200 mAh
Processor ? ? 2.1 GHz Samsung Exynos 7420 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) 2.4 GHz MediaTek Dimensity 810
RAM ? ? 3 GB 4 GB 8 GB
Storage ? raw hardware ? raw hardware 32 GB * 64 GB 256 GB
Main Camera Yes 2 megapixel 16 megapixel 16 megapixel 64 megapixel
Wide Camera - - - - 5 megapixel
Tele Camera - - - - -
Video Capture ? ? 4K UHD 4K UHD 2K / Quad HD
Front Camera - - 5 megapixel 8 megapixel 16 megapixel
Weight 2.75 oz
(78g)
3.6 oz
(102g)
4.87 oz
(138g)
6.84 oz
(194g)
7.2 oz
(204g)
Dimensions 3.52" x 1.77" x 0.85"
(89 x 45 x 21.6 mm)
4.05" x 1.65" x 0.63"
(103 x 42 x 16 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
6.36" x 3.29" x 0.31"
(162 x 84 x 7.9 mm)
6.64" x 3.02" x 0.35"
(169 x 77 x 8.9 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Windows Android
Network Bands

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 12, 17, 20, 29, 30

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

5G: 2, 5, 25, 41, 66, 71, 77-C

4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS EDGE LTE (Cat 6) LTE (Cat 6) NR (5G)
Features 
Barometer - - - Yes -
Fingerprint Reader - - Yes Yes Yes
in-display (optical)
Flashlight - - Yes Yes Yes
VR-ready - - Yes - -
Water-Resistant - - - Yes
IPX7 (snorkeling)
-
Accessibility
Hearing Aid Compatible - - Yes Yes -
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display Yes Yes - - -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Infrared (IR) Yes - Yes - -
MirrorLink - - Yes - -
NFC - - Yes Yes -
USB - Yes Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 ac,b,g,n)
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing - Yes n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers Yes - n/a n/a n/a
Data & Network
Data Tethering - Yes n/a n/a n/a
Dual-SIM - - - Yes * -
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes Yes Yes
Memory
Memory Card Slot - Yes - Yes -
Messaging
Email Client - Yes n/a n/a n/a
EMS / Picture Messaging Yes Yes n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - Yes n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
DLNA - - Yes - -
Miracast - - Yes Yes -
TV Output - - Yes Yes -
Power
Fast Charging - - Yes - Yes
Wireless Charging - - Yes Yes -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List Yes - n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
Games Yes Yes n/a n/a n/a
Java (J2ME) Yes Yes n/a n/a n/a
Voice
HD Voice - - Yes - Yes
Push-To-Talk - Yes * - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X660 Motorola KRZR K1 Samsung Galaxy S6 (GSM) HP Elite x3 Bold N2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X660 Motorola KRZR K1 Samsung Galaxy S6 (GSM) HP Elite x3 Bold N2

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