Compare Phones
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| Phone | ZTE Blade Z Max | BlackBerry Curve 9350 | Palm Treo 650 (CDMA) | Sony Xperia Pro | Samsung Galaxy S21 | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | Released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | 
			6" diag. 16 : 9  | 
		
		
			2.4" diag. 4 : 3  | 
		
		? | 
			6.5" diag. 21 : 9  | 
		
		
			6.2" diag. 20 : 9  | 
	
| Display Resolution & Type | 
			1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)  | 
		
		
			480 x 360 pixels (~246 ppi) LCD (TFT/TFD)  | 
		
		
			320 x 320 pixels LCD (TFT/TFD)  | 
		
		
			1644 x 3840 pixels (~643 ppi) AMOLED  | 
		
		
			1080 x 2400 pixels (~424 ppi) AMOLED  | 
	
| Display Refresh | 60 Hz | ? | ? | 60 Hz | 120 Hz | 
| Battery | 4,080 mAh | 1,040 mAh | ? | 4,000 mAh | 4,000 mAh | 
| Processor | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | 800 MHz Marvell | 312 MHz Intel XScale PXA270 | Qualcomm Snapdragon 865 | 2.8 GHz Qualcomm Snapdragon 888 | 
| RAM | 2 GB | ? | ? | 12 GB | 8 GB | 
| Storage | 32 GB | ? raw hardware | ? raw hardware | 512 GB | 128 GB * | 
| Main Camera | 16 megapixel | 5 megapixel | Yes | 12 megapixel | 12 megapixel | 
| Wide Camera | - | - | - | 12 megapixel | 12 megapixel | 
| Tele Camera | - | - | - | 12 megapixel | 64 megapixel | 
| Video Capture | 1080p HD | VGA (640 x 480) | QVGA (320 x 240) | 4K UHD | 8K | 
| Front Camera | 8 megapixel | - | - | 8 megapixel | 10 megapixel | 
| Weight | 
			6.58 oz (186g)  | 
		
		
			3.49 oz (99g)  | 
		
		
			6.3 oz (179g)  | 
		
		
			7.94 oz (225g)  | 
		
		
			6.03 oz (171g)  | 
	
| Dimensions | 
			6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm)  | 
		
		
			4.29" x 2.36" x 0.43" (109 x 60 x 10.9 mm)  | 
		
		
			4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)  | 
		
		
			6.7" x 3" x 0.4" (170 x 76 x 10.2 mm)  | 
		
		
			5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm)  | 
	
| Platform / OS | Android | BlackBerry OS | Palm OS | Android | Android | 
| Network Bands | 
			 4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900  | 
		
		
			 CDMA: 800, 850, 1900  | 
		
		
			 CDMA: 850, 1900  | 
		
		
			 5G: 2, 5, 66, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900  | 
		
		
			 5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900  | 
	
| Data Technology | LTE (Cat 6) | EVDO rA | 1xRTT | NR (5G) | NR (5G) | 
| Features | |||||
| Barometer | - | - | - | - | Yes | 
| Fingerprint Reader | 
			Yes stand-alone  | 
		
		- | - | 
			Yes stand-alone  | 
		
		
			Yes in-display (ultrasonic)  | 
	
| Flashlight | Yes | - | - | Yes | Yes | 
| Water-Resistant | - | - | - | 
			Yes IPX8 (SCUBA)  | 
		
		
			Yes IPX8 (SCUBA)  | 
	
| Accessibility | |||||
| Hearing Aid Compatible | Yes | Yes | - | Yes | Yes | 
| TTY/TDD (Digital) | Yes | Yes | - | Yes | Yes | 
| Alerts | |||||
| Ringer Profiles | - | Yes | - | - | - | 
| Connectivity | |||||
| Bluetooth | 
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
	
| Infrared (IR) | - | - | Yes | - | - | 
| NFC | - | Yes | - | Yes | Yes | 
| USB | 
			Yes USB Type C  | 
		
		
			Yes Micro-USB  | 
		
		- | 
			Yes USB Type C  | 
		
		
			Yes USB Type C  | 
	
| Wi-Fi | 
			Yes 4 (802.11 b,g,n)  | 
		
		
			Yes 4 (802.11 b,g,n)  | 
		
		- | 
			Yes 6 (802.11 a,ac,ax,b,g,n)  | 
		
		
			Yes 6 (802.11 a,ac,ax,b,g,n)  | 
	
| Data & Network | |||||
| Dual-SIM | - | - | - | Yes | - | 
| Input | |||||
| Side Keys | Yes | Yes | Yes | Yes | Yes | 
| Text Keyboard, Hardware | - | Yes | Yes | - | - | 
| Touch Screen | Yes | - | Yes | Yes | Yes | 
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - | 
| Music | |||||
| FM Radio | Yes | - | - | - | - | 
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes | - | 
| Stereo Speakers | - | - | - | Yes | Yes | 
| Photo & Video | |||||
| TV Output | - | - | - | Yes | Yes | 
| Power | |||||
| Fast Charging | Yes | - | - | Yes | Yes | 
| Wireless Charging | - | - | - | - | Yes | 
| Voice | |||||
| HD Voice | Yes | - | - | Yes | Yes | 
| Speaker Phone | Yes | Yes | Yes | Yes | Yes | 
| ZTE Blade Z Max | BlackBerry Curve 9350 | Palm Treo 650 (CDMA) | Sony Xperia Pro | Samsung Galaxy S21 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Blade Z Max | BlackBerry Curve 9350 | Palm Treo 650 (CDMA) | Sony Xperia Pro | Samsung Galaxy S21 | 











