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Phone	Samsung SGH-X640	HTC Droid Eris	Samsung Galaxy Note 3 (CDMA)	Samsung Glyde U940	ZTE Avid 4
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.2" diag. 5 : 3	5.7" diag. 16 : 9	2.8" diag. 16.5 : 9	5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~386 ppi) AMOLED	240 x 440 pixels (~182 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	60 Hz
Battery	800 mAh	1,300 mAh	3,200 mAh	1,000 mAh	2,520 mAh
Processor	?	528 MHz MSM7600	2.3 GHz Qualcomm Snapdragon 800	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM	?	?	3 GB	?	2 GB
Storage	? raw hardware	? raw hardware	32 GB	? raw hardware	16 GB
Main Camera	Yes	5 megapixel	13 megapixel	2 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	CIF (352 x 288)	4K UHD	QVGA (320 x 240)	720p HD
Front Camera	-	-	2 megapixel	-	5 megapixel
Weight	3 oz (85g)	4.43 oz (126g)	5.93 oz (168g)	4.2 oz (119g)	5.6 oz (159g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm)	5.95" x 3.12" x 0.33" (151 x 79 x 8.4 mm)	4.09" x 1.98" x 0.71" (104 x 50 x 18 mm)	5.7" x 2.8" x 0.36" (145 x 71 x 9.1 mm)
Form Factor	Clamshell	Slab	Slab	Slide	Slab
Platform / OS	(proprietary)	Android	Android	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 4, 13, 25 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	EVDO rA	LTE (Cat 4)	EVDO r0	LTE (Cat 4)
Features
Flashlight	-	-	Yes	-	Yes
GPS / Location	-	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M4 (very compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	-	Yes	-	-
USB	-	Yes Mini-USB	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	Yes 802.11 b,g	Yes 5 (802.11 a,ac,b,g,n)	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	-	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	-	n/a	n/a	Yes	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	Yes	-	-
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	Yes Capacitive	Yes Capacitive	Yes	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	-	n/a
EMS / Picture Messaging	Yes	n/a	n/a	-	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	Yes	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	-	n/a	n/a	Yes	n/a
Photo & Video
DLNA	-	-	Yes	-	-
Miracast	-	-	Yes	-	-
TV Output	-	-	Yes	-	-
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	-	n/a
Software
BREW	-	n/a	n/a	Yes	n/a
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	-	n/a
Voice
HD Voice	-	-	Yes *	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	HTC Droid Eris	Samsung Galaxy Note 3 (CDMA)	Samsung Glyde U940	ZTE Avid 4
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	HTC Droid Eris	Samsung Galaxy Note 3 (CDMA)	Samsung Glyde U940	ZTE Avid 4