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| Phone | Nokia Lumia 521 / 520 | BlackBerry Curve 8330 | Alcatel Idol 4S | Samsung Galaxy Note II (Verizon) | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Not yet released | Released | 
| Specifications | ||||
|---|---|---|---|---|
| Display Size | 
			4" diag. 5 : 3  | 
		
		? | 
			5.5" diag. 16 : 9  | 
		
		
			5.5" diag. 16 : 9  | 
	
| Display Resolution & Type | 
			480 x 800 pixels (~233 ppi) LCD (TFT/TFD)  | 
		
		
			320 x 240 pixels LCD (TFT/TFD)  | 
		
		
			1440 x 2560 pixels (~534 ppi) AMOLED  | 
		
		
			720 x 1280 pixels (~267 ppi) AMOLED  | 
	
| Display Refresh | ? | ? | 60 Hz | 60 Hz | 
| Battery | 1,430 mAh | 1,150 mAh | 3,000 mAh | 3,100 mAh | 
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | ? | 1.8 GHz Qualcomm Snapdragon 652 (MSM8976) | 1.6 GHz Samsung Exynos | 
| RAM | 512 MB | ? | 3 GB | 2 GB | 
| Storage | 8 GB | ? raw hardware | 32 GB | 16 GB | 
| Main Camera | 5 megapixel | 2 megapixel | 16 megapixel | 8 megapixel | 
| Wide Camera | - | - | - | - | 
| Tele Camera | - | - | - | - | 
| Video Capture | 720p HD | ? | 4K UHD | 1080p HD | 
| Front Camera | - | - | 8 megapixel | 2 megapixel | 
| Weight | 
			4.39 oz (124g)  | 
		
		
			4.02 oz (114g)  | 
		
		
			5.26 oz (149g)  | 
		
		
			6.35 oz (180g)  | 
	
| Dimensions | 
			4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)  | 
		
		
			4.2" x 2.4" x 0.6" (107 x 61 x 15.2 mm)  | 
		
		
			6.06" x 2.97" x 0.28" (154 x 75 x 7 mm)  | 
		
		
			5.94" x 3.16" x 0.38" (151 x 80 x 9.7 mm)  | 
	
| Platform / OS | Windows | BlackBerry OS | Android | Android | 
| Network Bands | 
			 CDMA: 850, 1900  | 
		
		
			 4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900  | 
		
		
			 4G LTE: 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900  | 
	|
| Data Technology | HSPA+ 21 | EVDO r0 | LTE (Cat 4) | LTE (Cat 3) | 
| Features | ||||
| Fingerprint Reader | - | - | Yes * | - | 
| Flashlight | - | - | Yes | - | 
| Accessibility | ||||
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | 
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | 
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - | 
| Connectivity | ||||
| Bluetooth | Yes | 
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
	
| NFC | - | - | Yes | Yes | 
| USB | Yes | 
			Yes Mini-USB  | 
		
		
			Yes Micro-USB  | 
		
		
			Yes Micro-USB  | 
	
| Wi-Fi | Yes | - | 
			Yes 5 (802.11 a,ac,b,g,n)  | 
		
		
			Yes 4 (802.11 a,b,g,n)  | 
	
| Data & Network | ||||
| Dual-SIM | - | - | Yes * | - | 
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes | 
| Stylus | - | - | - | Yes | 
| Text Keyboard, Hardware | - | Yes | - | - | 
| Touch Screen | Yes | - | Yes | Yes | 
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes | 
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes | 
| Stereo Speakers | - | - | Yes | - | 
| Photo & Video | ||||
| DLNA | - | - | - | Yes | 
| Miracast | - | - | Yes | - | 
| TV Output | - | - | - | Yes | 
| Power | ||||
| Fast Charging | - | - | Yes | - | 
| Voice | ||||
| HD Voice | - | - | Yes | - | 
| Speaker Phone | Yes | Yes | Yes | Yes | 
| * Some versions only | ||||
| Nokia Lumia 521 / 520 | BlackBerry Curve 8330 | Alcatel Idol 4S | Samsung Galaxy Note II (Verizon) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | BlackBerry Curve 8330 | Alcatel Idol 4S | Samsung Galaxy Note II (Verizon) | 










