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Phone	Nokia Lumia 810	Palm Treo 650 (CDMA)	HTC Touch (CDMA) / XV6900	Samsung MM-A900 / SPH-A900 / Ace	LG K20 / Harmony / Grace
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 5 : 3	?	2.8" diag. 4 : 3	?	5.3" diag. 16 : 9
Display Resolution & Type	480 x 800 pixels (~217 ppi) AMOLED	320 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	720 x 1280 pixels (~277 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	1,800 mAh	?	1,100 mAh	?	2,800 mAh
Processor	1.5 GHz Qualcomm Snapdragon	312 MHz Intel XScale PXA270	400 MHz Qualcomm MSM7500	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)
RAM	1 GB	?	?	?	1.5 GB
Storage	8 GB	? raw hardware	? raw hardware	? raw hardware	16 GB
Main Camera	8 megapixel	Yes	2 megapixel	1 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	QVGA (320 x 240)	?	?	1080p HD
Front Camera	1 megapixel	-	-	-	5 megapixel
Weight	5.11 oz (145g)	6.3 oz (179g)	3.99 oz (113g)	3.9 oz (111g)	5 oz (142g)
Dimensions	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	3.97" x 2.34" x 0.55" (101 x 59 x 14 mm)	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	5.9" x 3" x 0.3" (150 x 76 x 7.6 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	Windows	Palm OS	Windows Mobile Professional	(proprietary)	Android
Network Bands	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	HSPA+ 42	1xRTT	EVDO rA	EVDO r0	LTE (Cat 4)
Features
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	n/a	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 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	n/a	n/a	Yes	n/a
Ringer ID	n/a	n/a	n/a	Yes	n/a
Voice Dialing	n/a	n/a	n/a	Yes	n/a
Customization
Custom Graphics	n/a	n/a	n/a	Yes	n/a
Custom Ringtones	n/a	n/a	n/a	Yes	n/a
Real-Music Ringers	n/a	n/a	n/a	-	n/a
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	n/a
External Antenna Jack	n/a	n/a	n/a	-	n/a
WAP / Web Browser	n/a	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	Yes	-	-
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	Yes Capacitive	Yes	Yes	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	n/a	-	n/a
Instant Messaging	n/a	n/a	n/a	-	n/a
MMS	n/a	n/a	n/a	-	n/a
Text Messaging Templates	n/a	n/a	n/a	Yes	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	n/a	n/a	Yes	n/a
Power
Wireless Charging	Yes	-	-	-	-
Productivity
Alarm	n/a	n/a	n/a	Yes	n/a
Calculator	n/a	n/a	n/a	Yes	n/a
Calendar	n/a	n/a	n/a	Yes	n/a
To-Do List	n/a	n/a	n/a	Yes	n/a
Voice Memo	n/a	n/a	n/a	Yes	n/a
Software
Games	n/a	n/a	n/a	Yes	n/a
Java (J2ME)	n/a	n/a	n/a	Yes	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	n/a	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Nokia Lumia 810	Palm Treo 650 (CDMA)	HTC Touch (CDMA) / XV6900	Samsung MM-A900 / SPH-A900 / Ace	LG K20 / Harmony / Grace
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Nokia Lumia 810	Palm Treo 650 (CDMA)	HTC Touch (CDMA) / XV6900	Samsung MM-A900 / SPH-A900 / Ace	LG K20 / Harmony / Grace