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Phone	Motorola KRZR K1m	Samsung SGH-D800	Huawei Ascend XT	Samsung SGH-E640	Samsung Galaxy Rush
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	6" diag. 16 : 9	?	3.5" diag. 5 : 3
Display Resolution & Type	176 x 220 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	720 x 1280 pixels (~245 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	880 mAh	800 mAh	3,000 mAh	800 mAh	1,750 mAh
Processor	?	?	1.5 GHz Qualcomm Snapdragon 615 (MSM8939)	?	1 GHz Qualcomm MSM8655
RAM	?	?	2 GB	?	768 MB
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	4 GB
Main Camera	1 megapixel	1 megapixel	8 megapixel	1 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	?	720p HD	QCIF (176 x 144)	VGA (640 x 480)
Front Camera	-	-	2 megapixel	-	1 megapixel
Weight	3.63 oz (103g)	3.46 oz (98g)	7.27 oz (206g)	3.17 oz (90g)	4.2 oz (119g)
Dimensions	4.06" x 1.73" x 0.67" (103 x 44 x 17 mm)	3.82" x 2.05" x 0.59" (97 x 52 x 15 mm)	6.45" x 3.3" x 0.35" (164 x 84 x 8.9 mm)	3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm)	4.84" x 2.36" x 0.47" (123 x 60 x 11.9 mm)
Form Factor	Clamshell	Slide	Slab	Clamshell	Slab
Platform / OS	(proprietary)	(proprietary)	Android	(proprietary)	Android
Network Bands	CDMA: 850, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 30 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	CDMA: 1900
Data Technology	EVDO r0	EDGE	LTE (Cat 4)	GPRS	EVDO rA
Features
Flashlight	-	-	Yes	-	-
GPS / Location	Yes	-	n/a	-	n/a
Accessibility
Adjustable Text Size	-	-	n/a	-	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	-	Yes M4, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	Yes
Alerts
Extra Display	Yes	-	-	Yes	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
USB	Yes Mini-USB	-	Yes Micro-USB	Yes	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	Yes	n/a
Ringer ID	Yes	Yes	n/a	Yes	n/a
Voice Dialing	Yes	Yes	n/a	-	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	Yes	n/a	Yes	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	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	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	-	Yes	n/a	Yes	n/a
EMS / Picture Messaging	Yes	Yes	n/a	Yes	n/a
Instant Messaging	Yes *	-	n/a	-	n/a
MMS	Yes	Yes	n/a	Yes	n/a
Text Messaging Templates	Yes	Yes	n/a	Yes	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	Yes	Yes	n/a	Yes	n/a
Photo & Video
TV Output	-	Yes	-	-	-
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	-	-	n/a	Yes	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
BREW	Yes *	-	n/a	-	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes *	Yes	n/a	Yes	n/a
Voice
HD Voice	-	-	Yes	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola KRZR K1m	Samsung SGH-D800	Huawei Ascend XT	Samsung SGH-E640	Samsung Galaxy Rush
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola KRZR K1m	Samsung SGH-D800	Huawei Ascend XT	Samsung SGH-E640	Samsung Galaxy Rush