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| Phone | Asus ZenFone 4 | Sony Ericsson Z520 / Z525 | CAT S48c | Bold N2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.5" diag. 16 : 9 |
? |
5" diag. 16 : 9 |
6.6" diag. 19.5 : 9 |
| Display Resolution & Type |
1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~390 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 3,300 mAh | ? | 4,000 mAh | 4,200 mAh |
| Processor | 2.2 GHz Qualcomm Snapdragon 630 | ? | 2.2 GHz Qualcomm Snapdragon 630 | 2.4 GHz MediaTek Dimensity 810 |
| RAM | 4 GB | ? | 4 GB | 8 GB |
| Storage | 64 GB | ? raw hardware | 32 GB | 256 GB |
| Main Camera | 12 megapixel | Yes | 13 megapixel | 64 megapixel |
| Wide Camera | Yes | - | - | 5 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | 4K UHD | ? | 4K UHD | 2K / Quad HD |
| Front Camera | 8 megapixel | - | 5 megapixel | 16 megapixel |
| Weight |
5.47 oz (155g) |
3.46 oz (98g) |
9.1 oz (258g) |
7.2 oz (204g) |
| Dimensions |
6.12" x 2.96" x 0.3" (155 x 75 x 7.7 mm) |
3.27" x 1.81" x 0.94" (83 x 46 x 23.9 mm) |
5.9" x 3" x 0.5" (150 x 76 x 12.7 mm) |
6.64" x 3.02" x 0.35" (169 x 77 x 8.9 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | Android |
| Network Bands |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 25, 41, 66, 71, 77-C 4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 12) | GPRS | LTE (Cat 13) | NR (5G) |
| Features | ||||
| Fingerprint Reader |
Yes stand-alone |
- | - |
Yes in-display (optical) |
| Flashlight | Yes | - | Yes | Yes |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| NFC | Yes | - | Yes | - |
| USB |
Yes USB Type C |
Yes |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | Yes | n/a | n/a |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | n/a |
| Dual-SIM | Yes | - | - | - |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| Email Client | n/a | Yes | n/a | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Photo & Video | ||||
| Miracast | Yes | - | - | - |
| Power | ||||
| Fast Charging | Yes | - | Yes | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a |
| To-Do List | n/a | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a |
| Software | ||||
| Games | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | Yes | Yes |
| Push-To-Talk | - | Yes * | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Asus ZenFone 4 | Sony Ericsson Z520 / Z525 | CAT S48c | Bold N2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Asus ZenFone 4 | Sony Ericsson Z520 / Z525 | CAT S48c | Bold N2 |
