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| Phone | Nokia Lumia 521 / 520 | Google Pixel 5a | LG Connect 4G | Apple iPhone X | Sharp Sidekick LX 2009 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
6.3" diag. 20 : 9 |
4" diag. 5 : 3 |
5.8" diag. 19.5 : 9 |
3.2" diag. 16 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~415 ppi) AMOLED |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1125 x 2436 pixels (~463 ppi) AMOLED |
854 x 480 pixels (~306 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz | ? |
| Battery | 1,430 mAh | 4,680 mAh | 1,540 mAh | 2,716 mAh | 1,250 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 2.4 GHz Qualcomm Snapdragon 765G | 1.2 GHz Qualcomm Snapdragon S3 MSM8660 | Apple A11 | ? |
| RAM | 512 MB | 6 GB | 1 GB | 3 GB | ? |
| Storage | 8 GB | 128 GB | 4 GB | 64 GB * | ? raw hardware |
| Main Camera | 5 megapixel | 12 megapixel | 5 megapixel | 12 megapixel | 3 megapixel |
| Wide Camera | - | 16 megapixel | - | - | - |
| Tele Camera | - | - | - | Yes | - |
| Video Capture | 720p HD | 4K UHD | 720p HD | 4K UHD | QVGA (320 x 240) |
| Front Camera | - | 8 megapixel | Yes | 7 megapixel | - |
| Weight |
4.39 oz (124g) |
6.53 oz (185g) |
4.83 oz (137g) |
6.14 oz (174g) |
5.78 oz (164g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
6.1" x 2.9" x 0.3" (155 x 74 x 7.6 mm) |
4.59" x 2.45" x 0.46" (117 x 62 x 11.7 mm) |
5.65" x 2.79" x 0.3" (144 x 71 x 7.6 mm) |
5.12" x 2.36" x 0.63" (130 x 60 x 16 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Swivel |
| Platform / OS | Windows | Android | Android | iOS | (proprietary) |
| Network Bands |
5G: 1, 2, 5, 12, 25, 28, 41, 66, 71, 77-C, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSPA+ 21 | NR (5G) | LTE (Cat 3) | LTE (Cat 9) | HSPA 7.2 |
| Features | |||||
| Barometer | - | Yes | - | Yes | - |
| Fingerprint Reader | - |
Yes stand-alone |
- | - | - |
| Flashlight | - | Yes | - | Yes | - |
| GPS / Location | n/a | n/a | n/a | n/a | Yes |
| Water-Resistant | - |
Yes IPX7 (snorkeling) |
- |
Yes IPX7 (snorkeling) |
- |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | n/a | n/a | Yes |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | Yes |
| Multiple Languages | n/a | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Alerts | |||||
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | n/a | n/a | - |
| NFC | - | Yes | - | Yes | - |
| USB | Yes |
Yes USB Type C |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | n/a | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | n/a | n/a | - |
| Customization | |||||
| Custom Graphics | n/a | n/a | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | n/a | Yes |
| Data & Network | |||||
| Data Tethering | n/a | n/a | n/a | n/a | - |
| Dual-SIM | - | Yes | - | - | - |
| WAP / Web Browser | n/a | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | n/a | n/a | n/a | - |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Touch Screen | Yes | Yes | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | - | Yes |
| Messaging | |||||
| Email Client | n/a | n/a | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | n/a | n/a | Yes |
| MMS | n/a | n/a | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | n/a | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - | Yes |
| Music Player | n/a | n/a | n/a | n/a | Yes |
| Stereo Speakers | - | Yes | - | Yes | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| TV Output | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | Yes | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | n/a | - |
| Calendar | n/a | n/a | n/a | n/a | Yes |
| To-Do List | n/a | n/a | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | n/a | n/a | - |
| Software | |||||
| Games | n/a | n/a | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | n/a | n/a | Yes |
| Voice | |||||
| Call Screening | - | Yes | - | - | - |
| HD Voice | - | Yes | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Nokia Lumia 521 / 520 | Google Pixel 5a | LG Connect 4G | Apple iPhone X | Sharp Sidekick LX 2009 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | Google Pixel 5a | LG Connect 4G | Apple iPhone X | Sharp Sidekick LX 2009 |
