Compare Phones
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|  |  |  |  | |
| Phone | Nokia Lumia 521 / 520 | Samsung SCH-i830 / IP-830w | AT&T Maestro 3 | TCL 30 5G | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Not yet released | 
| Specifications | ||||
|---|---|---|---|---|
| Display Size | 4" diag. 5 : 3 | ? | 6.5" diag. 20 : 9 | 6.7" diag. 20 : 9 | 
| Display Resolution & Type | 480 x 800 pixels (~233 ppi) LCD (TFT/TFD) | 240 x 320 pixels LCD (TFT/TFD) | 720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) | 1080 x 2400 pixels (~393 ppi) AMOLED | 
| Display Refresh | ? | ? | 60 Hz | 60 Hz | 
| Battery | 1,430 mAh | ? | 3,900 mAh | 5,010 mAh | 
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 520 MHz Intel Bulverde | 2 GHz MediaTek Helio A22 (MT6761) | 2.2 GHz MediaTek Dimensity 700 (MT6833) | 
| RAM | 512 MB | ? | 3 GB | 4 GB | 
| Storage | 8 GB | ? raw hardware | 32 GB | 128 GB | 
| Main Camera | 5 megapixel | - | 13 megapixel | 50 megapixel | 
| Wide Camera | - | - | 5 megapixel | - | 
| Tele Camera | - | - | - | - | 
| Video Capture | 720p HD | - | 1080p HD | 1080p HD | 
| Front Camera | - | - | 5 megapixel | 13 megapixel | 
| Weight | 4.39 oz (124g) | 6.44 oz (183g) | 6.24 oz (177g) | 6.49 oz (184g) | 
| Dimensions | 4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) | 4.49" x 2.28" x 0.97" (114 x 58 x 24.6 mm) | 6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) | 6.48" x 2.96" x 0.3" (165 x 75 x 7.6 mm) | 
| Platform / OS | Windows | Windows Mobile Professional | Android | Android | 
| Network Bands | CDMA: 850, 1900 GSM: 900, 1800 | 4G LTE: 2, 4, 5, 12, 14, 30 | 5G: 2, 5, 7, 25, 28, 38, 41, 66, 71, 77-C, 78 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 28, 29, 38, 40, 41, 42, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 | |
| Data Technology | HSPA+ 21 | EVDO r0 | LTE (Cat 4) | NR (5G) | 
| Features | ||||
| Barometer | - | - | Yes | Yes | 
| Fingerprint Reader | - | - | Yes stand-alone | Yes stand-alone | 
| Flashlight | - | - | Yes | Yes | 
| Accessibility | ||||
| Hearing Aid Compatible | Yes | - | Yes | Yes | 
| TTY/TDD (Digital) | Yes | Yes | - | Yes | 
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - | 
| Connectivity | ||||
| Bluetooth | Yes | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | 
| Infrared (IR) | - | Yes | - | - | 
| NFC | - | - | - | Yes | 
| USB | Yes | Yes | Yes USB Type C | Yes USB Type C | 
| Wi-Fi | Yes | - | Yes 5 (802.11 a,ac,b,g,n) | Yes 5 (802.11 a,ac,b,g,n) | 
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes | 
| Text Keyboard, Hardware | - | 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 | - | - | 
| Power | ||||
| Fast Charging | - | - | - | Yes | 
| Voice | ||||
| HD Voice | - | - | Yes | Yes | 
| Speaker Phone | Yes | Yes | Yes | Yes | 
| Nokia Lumia 521 / 520 | Samsung SCH-i830 / IP-830w | AT&T Maestro 3 | TCL 30 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  | |
| Phone | Nokia Lumia 521 / 520 | Samsung SCH-i830 / IP-830w | AT&T Maestro 3 | TCL 30 5G | 
 







