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Phone	Samsung SGH-A657	ZTE ZMAX 2	ZTE Obsidian	Samsung Galaxy Rush	Samsung Trender
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	5.5" diag. 16 : 9	4.5" diag. 16 : 9	3.5" diag. 5 : 3	2.8" diag. 4 : 3
Display Resolution & Type	176 x 220 pixels LCD (TFT/TFD)	720 x 1280 pixels (~267 ppi) LCD (TFT/TFD)	480 x 854 pixels (~218 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	60 Hz	?
Battery	1,420 mAh	3,000 mAh	1,800 mAh	1,750 mAh	1,000 mAh
Processor	?	1.2 GHz Qualcomm Snapdragon 400 (MSM8916)	1 GHz MediaTek / MT6735M	1 GHz Qualcomm MSM8655	Qualcomm QSC6055
RAM	?	2 GB	1 GB	768 MB	?
Storage	? raw hardware	16 GB	8 GB	4 GB	? raw hardware
Main Camera	-	8 megapixel	5 megapixel	3 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	720p HD	VGA (640 x 480)	-
Front Camera	-	2 megapixel	2 megapixel	1 megapixel	-
Weight	4.34 oz (123g)	5.99 oz (170g)	4.66 oz (132g)	4.2 oz (119g)	4 oz (113g)
Dimensions	4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm)	6.06" x 2.99" x 0.37" (154 x 76 x 9.4 mm)	5.41" x 2.7" x 0.39" (137 x 69 x 10 mm)	4.84" x 2.36" x 0.47" (123 x 60 x 11.9 mm)	4.2" x 2.2" x 0.6" (107 x 56 x 15.2 mm)
Form Factor	Slab	Slab	Slab	Slab	Slide
Platform / OS	(proprietary)	Android	Android	Android	(proprietary)
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 1900	CDMA: 800, 850, 1900
Data Technology	HSDPA 3.6	LTE (Cat 4)	LTE (Cat 4)	EVDO rA	1xRTT
Features
Flashlight	Yes	-	Yes	-	-
GPS / Location	Yes	n/a	n/a	n/a	Yes
Ruggedized	Yes	-	-	-	-
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, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	n/a	n/a	-
USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 a,b,g,n)	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	-	n/a	n/a	n/a	Yes
Customization
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	Yes	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	-
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	-
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	Yes Capacitive	Yes Capacitive	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	Yes	n/a	n/a	n/a	Yes
Instant Messaging	Yes	n/a	n/a	n/a	-
MMS	Yes	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	n/a	n/a	n/a	-
Music
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	Yes
Music Player	Yes	n/a	n/a	n/a	Yes
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	Yes	n/a	n/a	n/a	-
Voice Memo	Yes	n/a	n/a	n/a	-
Software
Games	Yes	n/a	n/a	n/a	-
Java (J2ME)	Yes	n/a	n/a	n/a	-
Voice
Push-To-Talk	Yes	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-A657	ZTE ZMAX 2	ZTE Obsidian	Samsung Galaxy Rush	Samsung Trender
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-A657	ZTE ZMAX 2	ZTE Obsidian	Samsung Galaxy Rush	Samsung Trender