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Phone	Samsung SPH-Z400	BlackBerry 7750	Samsung Replenish	Samsung MM-A900 / SPH-A900 / Ace	Samsung BlackJack SGH-i607
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.9" diag. 4 : 3	?	2.8" diag. 4 : 3	?	?
Display Resolution & Type	176 x 220 pixels (~150 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	1,300 mAh	?	1,600 mAh	?	1,200 mAh
Processor	?	?	600 MHz Qualcomm S1 MSM7627-2	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	1 megapixel	-	2 megapixel	1 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	-	CIF (352 x 288)	?	QVGA (320 x 240)
Front Camera	-	-	-	-	-
Weight	4.06 oz (115g)	5.01 oz (142g)	4.1 oz (116g)	3.9 oz (111g)	3.74 oz (106g)
Dimensions	3.73" x 1.91" x 1" (95 x 49 x 25.4 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.84" x 2.36" x 0.45" (123 x 60 x 11.4 mm)	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	4.45" x 2.32" x 0.46" (113 x 59 x 11.7 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	BlackBerry OS	Android	(proprietary)	Windows Mobile Standard
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO rA	1xRTT	EVDO r0	EVDO r0	HSDPA 1.8
Features
GPS / Location	Yes	n/a	n/a	Yes	n/a
Ruggedized	Yes	-	-	-	-
Accessibility
Adjustable Text Size	Yes	n/a	n/a	-	n/a
Hearing Aid 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	Yes
Alerts
Extra Display	Yes	-	-	Yes	-
Ringer Profiles	-	Yes	-	-	Yes
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
USB	Yes	Yes	Yes Micro-USB	Yes	Yes
Wi-Fi	-	-	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	Yes	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	Yes	n/a	n/a	-	n/a
Data & Network
Data Tethering	Yes	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
Text Keyboard, Hardware	-	Yes	Yes	-	Yes
Touch Screen	-	-	Yes Capacitive	-	-
Memory
Memory Card Slot	-	-	Yes	-	Yes
Messaging
Email Client	Yes	n/a	n/a	-	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	-	n/a	n/a	-	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	-	n/a	n/a	Yes	n/a
Stereo Speakers	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	-	n/a	n/a	Yes	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	Yes	n/a
Push-To-Talk	Yes	-	-	-	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	Samsung SPH-Z400	BlackBerry 7750	Samsung Replenish	Samsung MM-A900 / SPH-A900 / Ace	Samsung BlackJack SGH-i607
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SPH-Z400	BlackBerry 7750	Samsung Replenish	Samsung MM-A900 / SPH-A900 / Ace	Samsung BlackJack SGH-i607