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Phone	Samsung MM-A900 / SPH-A900 / Ace	Samsung Nexus S 4G	LG Revolution	Apple iPhone 4 (GSM)	Sanyo SCP-3100
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	4.3" 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	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)
Display Refresh	?	60 Hz	60 Hz	60 Hz	?
Battery	?	1,500 mAh	1,500 mAh	?	1,000 mAh
Processor	?	1 GHz Samsung Hummingbird Cortex A8	1 GHz Qualcomm Snapdragon S2 MSM8655	Apple A4	?
RAM	?	?	?	?	?
Storage	? raw hardware	16 GB	16 GB	32 GB *	? raw hardware
Main Camera	1 megapixel	5 megapixel	5 megapixel	5 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	WVGA / 480p	720p HD	720p HD	-
Front Camera	-	Yes	1 megapixel	Yes	-
Weight	3.9 oz (111g)	4.62 oz (131g)	6.08 oz (172g)	4.8 oz (136g)	3.5 oz (99g)
Dimensions	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)	5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	3.31" x 1.83" x 1.01" (84 x 46 x 25.7 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Clamshell
Platform / OS	(proprietary)	Android	Android	iOS	(proprietary)
Network Bands	CDMA: 850, 1900	4G WiMAX: 41 CDMA: 850, 1900	4G LTE: 13 CDMA: 850, 1900	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	EVDO r0	WiMAX	LTE (Cat 3)	HSPA 7.2	1xRTT
Features
GPS / Location	Yes	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	-
Hearing Aid Compatible	-	Yes M4 (very compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly 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
Alerts
Extra Display	Yes	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Mobile Hotspot	-	n/a	n/a	n/a	-
NFC	-	Yes	-	-	-
USB	Yes	Yes Micro-USB	Yes	Yes	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 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	Yes	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	-	n/a	n/a	n/a	-
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	-
External Antenna Jack	-	n/a	n/a	n/a	Yes
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	-	-	Yes	-	-
Messaging
Email Client	-	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	n/a	-
Music
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	-
Music Player	Yes	n/a	n/a	n/a	-
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	-	-	Yes	Yes	-
Video Calling	-	n/a	n/a	n/a	-
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	Yes
Software
Games	Yes	n/a	n/a	n/a	Yes
Java (J2ME)	Yes	n/a	n/a	n/a	Yes
Voice
Call Screening	-	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	Yes
Push-To-Talk	-	-	-	-	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung MM-A900 / SPH-A900 / Ace	Samsung Nexus S 4G	LG Revolution	Apple iPhone 4 (GSM)	Sanyo SCP-3100
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung MM-A900 / SPH-A900 / Ace	Samsung Nexus S 4G	LG Revolution	Apple iPhone 4 (GSM)	Sanyo SCP-3100