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Phone	HTC Droid Eris	Motorola Rival A455	Samsung SPH/SCH-N300	HTC EVO Design 4G / Hero S (CDMA)	Motorola Evoke QA4
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.2" diag. 5 : 3	2.2" diag. 4 : 3	?	4" diag. 16 : 9	2.8" diag. 5 : 3
Display Resolution & Type	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	176 x 220 pixels (~131 ppi) LCD (TFT/TFD)	128 x 64 pixels	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	240 x 400 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	1,300 mAh	940 mAh	?	1,520 mAh	1,170 mAh
Processor	528 MHz MSM7600	?	?	1.2 GHz Qualcomm Snapdragon S2 MSM8655	MSM6800a
RAM	?	?	?	768 MB	?
Storage	? raw hardware	? raw hardware	? raw hardware	4 GB	? raw hardware
Main Camera	5 megapixel	2 megapixel	-	5 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	QVGA (320 x 240)	-	720p HD	?
Front Camera	-	-	-	1 megapixel	-
Weight	4.43 oz (126g)	4.48 oz (127g)	4.1 oz (116g)	5.22 oz (148g)	4.52 oz (128g)
Dimensions	4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm)	3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm)	4.5" x 1.9" x 0.9" (114 x 48 x 22.9 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)	4.25" x 1.99" x 0.69" (108 x 51 x 17.5 mm)
Form Factor	Slab	Slide	Flip	Slab	Slide
Platform / OS	Android	(proprietary)	(proprietary)	Android	(proprietary)
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *	CDMA: 850, 1700, 1900
Data Technology	EVDO rA	EVDO r0	-	WiMAX	EVDO rA
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	Yes	Yes	n/a	Yes
Accessibility
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	-	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Mobile Hotspot	n/a	-	-	n/a	-
USB	Yes Mini-USB	Yes Micro-USB	-	Yes Micro-USB	Yes
Wi-Fi	Yes 802.11 b,g	-	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	Yes	-	n/a	Yes
Ringer ID	n/a	Yes	-	n/a	Yes
Voice Dialing	n/a	Yes	Yes	n/a	Yes
Customization
Custom Graphics	n/a	Yes	-	n/a	Yes
Custom Ringtones	n/a	Yes	-	n/a	Yes
Real-Music Ringers	n/a	Yes	-	n/a	Yes
Data & Network
Data Tethering	n/a	Yes	Yes	n/a	Yes
WAP / Web Browser	n/a	Yes	Yes	n/a	Yes
Input
Predictive Text Entry	n/a	-	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	Yes Capacitive	Yes	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	-	Yes	Yes
Messaging
Email Client	n/a	Yes	-	n/a	Yes
EMS / Picture Messaging	n/a	Yes	-	n/a	-
Instant Messaging	n/a	Yes	-	n/a	-
MMS	n/a	Yes	-	n/a	-
Text Messaging Templates	n/a	Yes	-	n/a	-
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	Yes	Yes	-	Yes	-
Music Player	n/a	Yes	-	n/a	Yes
Photo & Video
DLNA	-	-	-	Yes	-
Productivity
Alarm	n/a	Yes	Yes	n/a	Yes
Calculator	n/a	Yes	Yes	n/a	Yes
Calendar	n/a	Yes	Yes	n/a	Yes
To-Do List	n/a	-	Yes	n/a	-
Voice Memo	n/a	Yes	-	n/a	-
Software
BREW	n/a	Yes	-	n/a	Yes
Games	n/a	Yes	Yes	n/a	Yes
Voice
Headset Jack (2.5 mm)	n/a	-	Yes	n/a	-
Speaker Phone	Yes	Yes	-	Yes	Yes
	HTC Droid Eris	Motorola Rival A455	Samsung SPH/SCH-N300	HTC EVO Design 4G / Hero S (CDMA)	Motorola Evoke QA4
	X >	< X >	< X >	< X >	< X

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


Phone	HTC Droid Eris	Motorola Rival A455	Samsung SPH/SCH-N300	HTC EVO Design 4G / Hero S (CDMA)	Motorola Evoke QA4