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Phone	Samsung PM-A840	Nokia Lumia 810	Samsung Glyde U940	Nokia N-Gage	Alcatel Idol 4S
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Not yet released
Display Size	?	4.3" diag. 5 : 3	2.8" diag. 16.5 : 9	?	5.5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (STN)	480 x 800 pixels (~217 ppi) AMOLED	240 x 440 pixels (~182 ppi) LCD (TFT/TFD)	176 x 208 pixels LCD (Color)	1440 x 2560 pixels (~534 ppi) AMOLED
Display Refresh	?	?	?	?	60 Hz
Battery	?	1,800 mAh	1,000 mAh	850 mAh	3,000 mAh
Processor	?	1.5 GHz Qualcomm Snapdragon	?	?	1.8 GHz Qualcomm Snapdragon 652 (MSM8976)
RAM	?	1 GB	?	?	3 GB
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	32 GB
Main Camera	Yes	8 megapixel	2 megapixel	-	16 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	QVGA (320 x 240)	-	4K UHD
Front Camera	-	1 megapixel	-	-	8 megapixel
Weight	3.28 oz (93g)	5.11 oz (145g)	4.2 oz (119g)	4.83 oz (137g)	5.26 oz (149g)
Dimensions	3.54" x 1.85" x 0.94" (90 x 47 x 23.9 mm)	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)	4.09" x 1.98" x 0.71" (104 x 50 x 18 mm)	5.26" x 2.74" x 0.8" (134 x 70 x 20.3 mm)	6.06" x 2.97" x 0.28" (154 x 75 x 7 mm)
Form Factor	Clamshell	Slab	Slide	Slab	Slab
Platform / OS	(proprietary)	Windows	(proprietary)	S60 (Symbian)	Android
Network Bands	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	HSPA+ 42	EVDO r0	GPRS	LTE (Cat 4)
Features
Fingerprint Reader	-	-	-	-	Yes *
Flashlight	-	-	-	-	Yes
GPS / Location	Yes	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M3, T4 (very tele-coil compatible)	Yes M4 (very compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
NFC	-	Yes	-	-	Yes
USB	-	Yes Micro-USB	Yes	Yes	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	-	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	n/a	n/a
Ringer ID	Yes	n/a	Yes	n/a	n/a
Voice Dialing	Yes	n/a	Yes	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	-	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	-	n/a	Yes	n/a	n/a
Dual-SIM	-	-	-	-	Yes *
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	-	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	Yes Capacitive	Yes	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	-	n/a	n/a
EMS / Picture Messaging	-	n/a	-	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	-	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	Yes	n/a	n/a
Stereo Speakers	-	-	-	-	Yes
Photo & Video
Miracast	-	-	-	-	Yes
Power
Fast Charging	-	-	-	-	Yes
Wireless Charging	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	Yes	n/a	-	n/a	n/a
Voice Memo	Yes	n/a	-	n/a	n/a
Software
BREW	-	n/a	Yes	n/a	n/a
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	-	n/a	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung PM-A840	Nokia Lumia 810	Samsung Glyde U940	Nokia N-Gage	Alcatel Idol 4S
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung PM-A840	Nokia Lumia 810	Samsung Glyde U940	Nokia N-Gage	Alcatel Idol 4S