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| Phone | HTC One (M8) (GSM) | Pantech Matrix Pro C820 | Nokia E66 | 
| Current U.S. Carriers | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | 
| Specifications | |||
|---|---|---|---|
| Display Size | 
			5" diag. 16 : 9  | 
		
		
			2.4" diag. 4 : 3  | 
		
		
			2.4" diag. 4 : 3  | 
	
| Display Resolution & Type | 
			1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD)  | 
		
		
			240 x 320 pixels (~167 ppi) LCD (TFT/TFD)  | 
		
		
			240 x 320 pixels (~167 ppi) LCD (TFT/TFD)  | 
	
| Display Refresh | 60 Hz | ? | ? | 
| Battery | 2,600 mAh | 1,320 mAh | 1,000 mAh | 
| Processor | 2.3 GHz Qualcomm Snapdragon 801 (MSM8974AB) | 528 MHz ARM 11 | ? | 
| RAM | 2 GB | ? | ? | 
| Storage | 32 GB | ? raw hardware | ? raw hardware | 
| Main Camera | 4 megapixel | 2 megapixel | 3 megapixel | 
| Wide Camera | - | - | - | 
| Tele Camera | - | - | - | 
| Video Capture | 1080p HD | QCIF (176 x 144) | QVGA (320 x 240) | 
| Front Camera | 5 megapixel | - | - | 
| Weight | 
			5.64 oz (160g)  | 
		
		
			5.34 oz (151g)  | 
		
		
			4.27 oz (121g)  | 
	
| Dimensions | 
			5.76" x 2.78" x 0.37" (146 x 71 x 9.3 mm)  | 
		
		
			4.2" x 2" x 0.9" (107 x 51 x 22.9 mm)  | 
		
		
			4.21" x 1.93" x 0.51" (107 x 49 x 13 mm)  | 
	
| Platform / OS | Android | Windows Mobile Standard | S60 (Symbian) | 
| Network Bands | 
			 4G LTE: 2, 4, 5, 7, 17 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900  | 
		
		
			 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900  | 
		
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| Data Technology | LTE (Cat 4) | HSDPA 3.6 | HSDPA 3.6 | 
| Features | |||
| Flashlight | Yes | - | - | 
| Accessibility | |||
| Hearing Aid Compatible | Yes | - | - | 
| TTY/TDD (Digital) | Yes | Yes | - | 
| Alerts | |||
| Ringer Profiles | - | Yes | Yes | 
| Connectivity | |||
| Bluetooth | 
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
	
| Infrared (IR) | Yes | - | Yes | 
| MirrorLink | Yes | - | - | 
| NFC | Yes | - | - | 
| USB | 
			Yes Micro-USB  | 
		
		Yes | 
			Yes Micro-USB  | 
	
| Wi-Fi | 
			Yes 5 (802.11 a,ac,b,g,n)  | 
		
		- | 
			Yes 802.11 b,g  | 
	
| Input | |||
| Side Keys | Yes | Yes | Yes | 
| Text Keyboard, Hardware | - | Yes | - | 
| Touch Screen | Yes | - | - | 
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes | 
| Music | |||
| FM Radio | Yes | - | Yes | 
| Headphone Jack (3.5mm) | 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 | 
| HTC One (M8) (GSM) | Pantech Matrix Pro C820 | Nokia E66 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HTC One (M8) (GSM) | Pantech Matrix Pro C820 | Nokia E66 | 











