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Phone	BlackBerry 7750	Samsung SPH-N270 (Matrix Phone)	HTC Pure / Touch Diamond2	Samsung Galaxy Express 3 / Galaxy Amp 2 / Luna	ZTE Blade Vantage
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	3.2" diag. 5 : 3	4.5" diag. 5 : 3	5" diag. 16 : 9
Display Resolution & Type	240 x 240 pixels LCD (Color)	128 x 160 pixels LCD (TFT/TFD)	480 x 800 pixels (~292 ppi) LCD (TFT/TFD)	480 x 800 pixels (~207 ppi) AMOLED	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	?	1,000 mAh	1,100 mAh	2,050 mAh	2,500 mAh
Processor	?	?	528 MHz Qualcomm MSM7201A	1.3 GHz Island	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM	?	?	?	1 GB	2 GB
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB *	16 GB
Main Camera	-	-	5 megapixel	5 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	CIF (352 x 288)	720p HD	720p HD
Front Camera	-	-	-	2 megapixel	2 megapixel
Weight	5.01 oz (142g)	4.66 oz (132g)	4.15 oz (118g)	4.62 oz (131g)	5.29 oz (150g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.53" x 2.28" x 0.79" (115 x 58 x 20.1 mm)	4.33" x 2.1" x 0.59" (110 x 53 x 15 mm)	5.22" x 2.73" x 0.35" (133 x 69 x 8.9 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)
Form Factor	Slab	Slide	Slab	Slab	Slab
Platform / OS	BlackBerry OS	(proprietary)	Windows Mobile Professional	Android	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 13
Data Technology	1xRTT	-	HSPA 7.2	LTE (Cat 3)	LTE (Cat 4)
Features
Flashlight	-	-	-	Yes	Yes
GPS / Location	n/a	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Mobile Hotspot	n/a	-	n/a	n/a	n/a
USB	Yes	-	Yes Mini-USB	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	Yes	n/a	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	Yes	n/a	n/a	n/a
Customization
Custom Graphics	n/a	-	n/a	n/a	n/a
Custom Ringtones	n/a	-	n/a	n/a	n/a
Real-Music Ringers	n/a	-	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	-	n/a	n/a	n/a
WAP / Web Browser	n/a	-	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	n/a
Side Keys	Yes	-	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	-	-	Yes	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	n/a	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	-	n/a	n/a	n/a
Text Messaging Templates	n/a	-	n/a	n/a	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	n/a	-	n/a	n/a	n/a
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	Yes	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
Games	n/a	-	n/a	n/a	n/a
Java (J2ME)	n/a	-	n/a	n/a	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	n/a
Speaker Phone	-	-	Yes	Yes	Yes
	BlackBerry 7750	Samsung SPH-N270 (Matrix Phone)	HTC Pure / Touch Diamond2	Samsung Galaxy Express 3 / Galaxy Amp 2 / Luna	ZTE Blade Vantage
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 7750	Samsung SPH-N270 (Matrix Phone)	HTC Pure / Touch Diamond2	Samsung Galaxy Express 3 / Galaxy Amp 2 / Luna	ZTE Blade Vantage