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Phone	Samsung SPH-A800 / MM-A800	Samsung Galaxy Stratosphere II	Samsung SGH-X640	Samsung Transform Ultra	Samsung SGH-T819
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	?	3.5" diag. 5 : 3	?
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	128 x 160 pixels LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	?	1,800 mAh	800 mAh	1,500 mAh	?
Processor	?	1.2 GHz Qualcomm Snapdragon S4 Plus MSM8960	?	1 GHz Qualcomm Snapdragon S2 MSM8655	?
RAM	?	1 GB	?	?	?
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	2 megapixel	5 megapixel	Yes	3 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	720p HD	-	VGA (640 x 480)	QCIF (176 x 144)
Front Camera	-	1 megapixel	-	Yes	-
Weight	5.08 oz (144g)	5.43 oz (154g)	3 oz (85g)	4.9 oz (139g)	3.46 oz (98g)
Dimensions	3.94" x 1.93" x 1.02" (100 x 49 x 25.9 mm)	4.97" x 2.58" x 0.53" (126 x 66 x 13.5 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.5" x 2.4" x 0.55" (114 x 61 x 14 mm)	3.96" x 2.03" x 0.55" (101 x 52 x 14 mm)
Form Factor	Slide	Slide	Clamshell	Slide	Slide
Platform / OS	(proprietary)	Android	(proprietary)	Android	(proprietary)
Network Bands	CDMA: 850, 1900 AMPS: 850	4G LTE: 13 WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	CDMA: 800, 850, 1900	WCDMA: 4 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	LTE (Cat 3)	GPRS	EVDO rA	WCDMA (UMTS)
Features
GPS / Location	Yes	n/a	-	n/a	-
Accessibility
Adjustable Text Size	-	n/a	-	n/a	-
Hearing Aid Compatible	-	Yes M3 (mostly compatible)	-	Yes M4 (very compatible)	-
Multiple Languages	Yes	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	-	Yes	-
Alerts
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	-	Yes	-	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	-
NFC	-	Yes	-	-	-
USB	Yes	Yes	-	Yes	Yes
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	-	Yes 4 (802.11 a,b,g,n)	-
Contacts
Picture ID	Yes	n/a	Yes	n/a	Yes
Ringer ID	Yes	n/a	Yes	n/a	Yes
Voice Dialing	Yes	n/a	-	n/a	Yes
Customization
Custom Graphics	Yes	n/a	Yes	n/a	Yes
Custom Ringtones	Yes	n/a	Yes	n/a	Yes
Real-Music Ringers	-	n/a	-	n/a	Yes
Data & Network
Data Tethering	-	n/a	-	n/a	Yes
WAP / Web Browser	Yes	n/a	Yes	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	-	Yes	Yes
Messaging
Email Client	-	n/a	-	n/a	-
EMS / Picture Messaging	-	n/a	Yes	n/a	Yes
Instant Messaging	-	n/a	-	n/a	Yes
MMS	-	n/a	Yes	n/a	Yes
Text Messaging Templates	Yes	n/a	Yes	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	Yes	n/a	-	n/a	Yes
Photo & Video
DLNA	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	Yes	n/a	Yes
Calculator	Yes	n/a	Yes	n/a	Yes
Calendar	Yes	n/a	Yes	n/a	Yes
To-Do List	Yes	n/a	Yes	n/a	Yes
Voice Memo	Yes	n/a	Yes	n/a	-
Software
Games	Yes	n/a	Yes	n/a	Yes
Java (J2ME)	Yes	n/a	Yes	n/a	Yes
Voice
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	-
Speaker Phone	-	Yes	Yes	Yes	Yes
	Samsung SPH-A800 / MM-A800	Samsung Galaxy Stratosphere II	Samsung SGH-X640	Samsung Transform Ultra	Samsung SGH-T819
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SPH-A800 / MM-A800	Samsung Galaxy Stratosphere II	Samsung SGH-X640	Samsung Transform Ultra	Samsung SGH-T819