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Phone	Samsung SGH-A727	HTC Amaze 4G	Samsung MM-A900 / SPH-A900 / Ace	HTC Droid Eris	Samsung Delve R800
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4.3" diag. 16 : 9	?	3.2" diag. 5 : 3	3" diag. 5 : 3
Display Resolution & Type	220 x 176 pixels LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	240 x 400 pixels (~154 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	?	1,730 mAh	?	1,300 mAh	1,000 mAh
Processor	?	1.5 GHz Qualcomm Snapdragon S3 dual-core	?	528 MHz MSM7600	?
RAM	?	1 GB	?	?	?
Storage	? raw hardware	16 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	1 megapixel	8 megapixel	1 megapixel	5 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	1080p HD	?	CIF (352 x 288)	QVGA (320 x 240)
Front Camera	-	2 megapixel	-	-	-
Weight	2.82 oz (80g)	6.1 oz (173g)	3.9 oz (111g)	4.43 oz (126g)	3.63 oz (103g)
Dimensions	4.51" x 2.01" x 0.35" (115 x 51 x 8.9 mm)	5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm)	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm)	4.55" x 2.15" x 0.49" (116 x 55 x 12.4 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	Android	(proprietary)
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	HSDPA 1.8	HSPA+ 42	EVDO r0	EVDO rA	EVDO r0
Features
Flashlight	-	Yes	-	-	-
GPS / Location	-	n/a	Yes	n/a	Yes
Accessibility
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	-
NFC	-	Yes	-	-	-
USB	Yes	Yes	Yes	Yes Mini-USB	Yes
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	-	Yes 802.11 b,g	-
Contacts
Picture ID	Yes	n/a	Yes	n/a	Yes
Ringer ID	Yes	n/a	Yes	n/a	Yes
Voice Dialing	-	n/a	Yes	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	Yes	n/a	-	n/a	Yes
Data & Network
Data Tethering	Yes	n/a	Yes	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
Stylus	-	-	-	-	Yes
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	Yes Resistive
Memory
Memory Card Slot	Yes	Yes	-	Yes	Yes
Messaging
Email Client	Yes	n/a	-	n/a	Yes
Instant Messaging	Yes	n/a	-	n/a	-
MMS	Yes	n/a	-	n/a	Yes
Text Messaging Templates	Yes	n/a	Yes	n/a	Yes
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	Yes	n/a	Yes	n/a	Yes
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	-	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	-
Voice Memo	Yes	n/a	Yes	n/a	Yes
Software
BREW	-	n/a	-	n/a	Yes
Games	Yes	n/a	Yes	n/a	Yes
Java (J2ME)	Yes	n/a	Yes	n/a	-
Voice
Headset Jack (2.5 mm)	-	n/a	Yes	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-A727	HTC Amaze 4G	Samsung MM-A900 / SPH-A900 / Ace	HTC Droid Eris	Samsung Delve R800
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-A727	HTC Amaze 4G	Samsung MM-A900 / SPH-A900 / Ace	HTC Droid Eris	Samsung Delve R800