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Phone	HTC G2	Nokia Lumia 521 / 520	Samsung SGH-X640	Motorola Moto G (GSM, 2nd gen.)	Apple iPhone 4 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.7" diag. 5 : 3	4" diag. 5 : 3	?	5" diag. 16 : 9	3.5" diag. 5 : 3
Display Resolution & Type	480 x 800 pixels (~252 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	720 x 1280 pixels (~294 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	60 Hz
Battery	1,300 mAh	1,430 mAh	800 mAh	2,070 mAh	?
Processor	800 MHz Qualcomm S2 MSM7230	1 GHz Qualcomm Snapdragon S4 MSM8270	?	1.2 GHz Qualcomm Snapdragon 400	?
RAM	?	512 MB	?	1 GB	?
Storage	? raw hardware	8 GB	? raw hardware	8 GB *	8 GB *
Main Camera	5 megapixel	5 megapixel	Yes	8 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	720p HD	-	720p HD	720p HD
Front Camera	-	-	-	2 megapixel	Yes
Weight	6.5 oz (184g)	4.39 oz (124g)	3 oz (85g)	5.26 oz (149g)	4.8 oz (136g)
Dimensions	4.68" x 2.37" x 0.55" (119 x 60 x 14 mm)	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	5.57" x 2.78" x 0.43" (141 x 71 x 11 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	Android	Windows	(proprietary)	Android	iOS
Network Bands	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	HSPA 14.4	HSPA+ 21	GPRS	HSPA+ 21	EVDO rA
Features
GPS / Location	n/a	n/a	-	n/a	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M3, T4 (very tele-coil compatible)	-	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Mobile Hotspot	n/a	n/a	-	n/a	n/a
USB	Yes	Yes	-	Yes Micro-USB	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	n/a	Yes	n/a	n/a
Ringer ID	n/a	n/a	Yes	n/a	n/a
Voice Dialing	n/a	n/a	-	n/a	n/a
Customization
Custom Graphics	n/a	n/a	Yes	n/a	n/a
Custom Ringtones	n/a	n/a	Yes	n/a	n/a
Real-Music Ringers	n/a	n/a	-	n/a	n/a
Data & Network
Data Tethering	n/a	n/a	-	n/a	n/a
WAP / Web Browser	n/a	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	Yes Capacitive	Yes Capacitive	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	-	Yes	-
Messaging
Email Client	n/a	n/a	-	n/a	n/a
EMS / Picture Messaging	n/a	n/a	Yes	n/a	n/a
Instant Messaging	n/a	n/a	-	n/a	n/a
MMS	n/a	n/a	Yes	n/a	n/a
Text Messaging Templates	n/a	n/a	Yes	n/a	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	Yes	Yes	-	Yes	Yes
Music Player	n/a	n/a	-	n/a	n/a
Stereo Speakers	-	-	-	Yes	-
Photo & Video
TV Output	-	-	-	-	Yes
Video Calling	n/a	n/a	-	n/a	n/a
Productivity
Alarm	n/a	n/a	Yes	n/a	n/a
Calculator	n/a	n/a	Yes	n/a	n/a
Calendar	n/a	n/a	Yes	n/a	n/a
To-Do List	n/a	n/a	Yes	n/a	n/a
Voice Memo	n/a	n/a	Yes	n/a	n/a
Software
Games	n/a	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	n/a	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	HTC G2	Nokia Lumia 521 / 520	Samsung SGH-X640	Motorola Moto G (GSM, 2nd gen.)	Apple iPhone 4 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	HTC G2	Nokia Lumia 521 / 520	Samsung SGH-X640	Motorola Moto G (GSM, 2nd gen.)	Apple iPhone 4 (CDMA)