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Phone	Sony Ericsson K850	Samsung Nexus S 4G	HTC 2125 / 2100 (Faraday)	Sony Ericsson C905	HTC EVO Design 4G / Hero S (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	4" diag. 5 : 3	?	2.4" diag. 4 : 3	4" diag. 16 : 9
Display Resolution & Type	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	240 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	?	1,500 mAh	1,150 mAh	930 mAh	1,520 mAh
Processor	?	1 GHz Samsung Hummingbird Cortex A8	200 MHz OMAP 850	?	1.2 GHz Qualcomm Snapdragon S2 MSM8655
RAM	?	?	?	?	768 MB
Storage	? raw hardware	16 GB	? raw hardware	? raw hardware	4 GB
Main Camera	5 megapixel	5 megapixel	1 megapixel	8 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	WVGA / 480p	QCIF (176 x 144)	?	720p HD
Front Camera	-	Yes	-	-	1 megapixel
Weight	4.2 oz (119g)	4.62 oz (131g)	4.09 oz (116g)	4.76 oz (135g)	5.22 oz (148g)
Dimensions	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)	4.57" x 1.81" x 0.69" (116 x 46 x 17.5 mm)	4.15" x 1.93" x 0.77" (105 x 49 x 19.6 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)
Form Factor	Slab	Slab	Slab	Slide	Slab
Platform / OS	(proprietary)	Android	Windows Mobile Standard	(proprietary)	Android
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G WiMAX: 41 CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *
Data Technology	HSDPA 3.6	WiMAX	EDGE	HSDPA 3.6	WiMAX
Features
Flashlight	-	-	-	-	Yes
GPS / Location	-	n/a	n/a	Yes	n/a
Accessibility
Hearing Aid Compatible	-	Yes M4 (very compatible)	-	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Ringer Profiles	Yes	-	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	Yes	-	-	-
USB	Yes	Yes Micro-USB	Yes Mini-USB	Yes	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes *	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	Yes	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	Yes	n/a
External Antenna Jack	-	n/a	n/a	-	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	-	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	Yes	n/a	n/a	Yes	n/a
Instant Messaging	-	n/a	n/a	Yes	n/a
MMS	Yes	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
FM Radio	Yes	-	-	Yes	Yes
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	Yes	n/a	n/a	Yes	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Video Calling	Yes *	n/a	n/a	Yes *	n/a
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	Yes	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	-	n/a	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Sony Ericsson K850	Samsung Nexus S 4G	HTC 2125 / 2100 (Faraday)	Sony Ericsson C905	HTC EVO Design 4G / Hero S (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Sony Ericsson K850	Samsung Nexus S 4G	HTC 2125 / 2100 (Faraday)	Sony Ericsson C905	HTC EVO Design 4G / Hero S (CDMA)