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Phone	Motorola V170 / V171 / V173	Samsung SGH-A727	LG Optimus S / Optimus U / Optimus V	Samsung SGH-E400	Apple iPhone 4 (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Not yet released	Released
Display Size	?	?	3.2" diag. 5 : 3	?	3.5" diag. 5 : 3
Display Resolution & Type	98 x 67 pixels LCD (STN)	220 x 176 pixels LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	128 x 144 pixels LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	920 mAh	?	1,500 mAh	700 mAh	?
Processor	?	?	600 MHz Qualcomm S1 MSM7627	?	Apple A4
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	32 GB *
Main Camera	-	1 megapixel	3 megapixel	-	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QCIF (176 x 144)	VGA (640 x 480)	-	720p HD
Front Camera	-	-	-	-	Yes
Weight	3.14 oz (89g)	2.82 oz (80g)	4.6 oz (130g)	3.1 oz (88g)	4.8 oz (136g)
Dimensions	3.43" x 1.8" x 0.93" (87 x 46 x 23.6 mm)	4.51" x 2.01" x 0.35" (115 x 51 x 8.9 mm)	4.47" x 2.32" x 0.52" (114 x 59 x 13.2 mm)	3.46" x 1.65" x 0.89" (88 x 42 x 22.6 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	(proprietary)	Android	(proprietary)	iOS
Network Bands	GSM: 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	GSM: 900, 1800, 1900	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	HSDPA 1.8	EVDO rA	GPRS	HSPA 7.2
Features
GPS / Location	-	-	n/a	-	n/a
Accessibility
Adjustable Text Size	-	-	n/a	-	n/a
Hearing Aid Compatible	-	-	Yes M4, T4 (very tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	Yes	Yes	-	-	-
Connectivity
Bluetooth	-	Yes	Yes	-	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	-	-	n/a	-	n/a
USB	-	Yes	Yes Micro-USB	-	Yes
Wi-Fi	-	-	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	-	Yes	n/a	-	n/a
Ringer ID	-	Yes	n/a	-	n/a
Voice Dialing	-	-	n/a	-	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	Yes	n/a	-	n/a
Data & Network
Data Tethering	-	Yes	n/a	Yes	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	Yes	n/a
Side Keys	-	Yes	Yes	Yes	Yes
Touch Screen	-	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	-	-
Messaging
Email Client	-	Yes	n/a	-	n/a
EMS / Picture Messaging	Yes	-	n/a	Yes	n/a
Instant Messaging	Yes	Yes	n/a	-	n/a
MMS	-	Yes	n/a	-	n/a
Text Messaging Templates	Yes	Yes	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	Yes	n/a	-	n/a
Photo & Video
TV Output	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	-	Yes	n/a	Yes	n/a
To-Do List	-	Yes	n/a	Yes	n/a
Voice Memo	-	Yes	n/a	-	n/a
Software
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	-	Yes	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	-	-	n/a	Yes	n/a
Speaker Phone	-	Yes	Yes	-	Yes
	* Some versions only
	Motorola V170 / V171 / V173	Samsung SGH-A727	LG Optimus S / Optimus U / Optimus V	Samsung SGH-E400	Apple iPhone 4 (GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Motorola V170 / V171 / V173	Samsung SGH-A727	LG Optimus S / Optimus U / Optimus V	Samsung SGH-E400	Apple iPhone 4 (GSM)