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Specifications
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Phone	Samsung Freeform 4 / Comment 2	Samsung Nexus S 4G	Samsung Knack U310	Motorola Backflip	Samsung Seek
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	4" diag. 5 : 3	2.2" diag. 4 : 3	3.1" diag. 5 : 3	2.6" diag. 4 : 3
Display Resolution & Type	320 x 240 pixels (~167 ppi) LCD (Color)	480 x 800 pixels (~233 ppi) AMOLED	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	240 x 320 pixels (~154 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	1,000 mAh	1,500 mAh	1,000 mAh	1,400 mAh	1,000 mAh
Processor	?	1 GHz Samsung Hummingbird Cortex A8	?	528 MHz Qualcomm MSM7201a	?
RAM	?	?	?	?	?
Storage	? raw hardware	16 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	2 megapixel	5 megapixel	-	5 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	WVGA / 480p	-	CIF (352 x 288)	-
Front Camera	-	Yes	-	-	-
Weight	3.35 oz (95g)	4.62 oz (131g)	3.63 oz (103g)	4.7 oz (133g)	3.9 oz (111g)
Dimensions	4.38" x 2.38" x 0.42" (111 x 60 x 10.7 mm)	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm)	4.1" x 2" x 0.6" (104 x 51 x 15.2 mm)
Form Factor	Slab	Slab	Clamshell	Clamshell	Slide
Platform / OS	(proprietary)	Android	(proprietary)	Android	(proprietary)
Network Bands	CDMA: 850, 1700, 1900	4G WiMAX: 41 CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	1xRTT	WiMAX	-	HSPA 7.2	1xRTT
Features
GPS / Location	Yes	n/a	Yes	n/a	Yes
Accessibility
Adjustable Text Size	Yes	n/a	Yes	n/a	-
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M4 (very compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4 (very compatible)
Multiple Languages	Yes	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	-	Yes	-	Yes
Alerts
Extra Display	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	-
NFC	-	Yes	-	-	-
USB	Yes Micro-USB	Yes Micro-USB	-	Yes Micro-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 802.11 b,g	-
Contacts
Picture ID	Yes	n/a	-	n/a	Yes
Ringer ID	Yes	n/a	-	n/a	Yes
Voice Dialing	Yes	n/a	Yes	n/a	Yes
Customization
Custom Graphics	Yes	n/a	-	n/a	Yes
Custom Ringtones	Yes	n/a	-	n/a	Yes
Real-Music Ringers	Yes	n/a	-	n/a	Yes
Data & Network
Data Tethering	-	n/a	-	n/a	Yes
WAP / Web Browser	Yes	n/a	-	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	-
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	Yes	Yes
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	Yes Resistive
Memory
Memory Card Slot	Yes	-	-	Yes	Yes
Messaging
Email Client	-	n/a	-	n/a	Yes
EMS / Picture Messaging	-	n/a	Yes	n/a	-
Instant Messaging	-	n/a	-	n/a	Yes
MMS	Yes	n/a	-	n/a	Yes
Text Messaging Templates	Yes	n/a	-	n/a	-
Music
Headphone Jack (3.5mm)	Yes	Yes	-	Yes	Yes
Music Player	Yes	n/a	-	n/a	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
Voice Memo	Yes	n/a	-	n/a	-
Software
BREW	Yes	n/a	-	n/a	-
Games	Yes	n/a	-	n/a	Yes
Java (J2ME)	-	n/a	-	n/a	Yes
Voice
Headset Jack (2.5 mm)	-	n/a	Yes	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Freeform 4 / Comment 2	Samsung Nexus S 4G	Samsung Knack U310	Motorola Backflip	Samsung Seek
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Freeform 4 / Comment 2	Samsung Nexus S 4G	Samsung Knack U310	Motorola Backflip	Samsung Seek