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| Phone | AT&T Maestro 3 | Asus ZenFone 4 | Samsung SCH-A610 | HMD Fusion | Siemens SL55 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
5.5" diag. 16 : 9 |
? |
6.6" diag. 20 : 9 |
? |
| Display Resolution & Type |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1612 pixels (~269 ppi) LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
| Display Refresh | 60 Hz | 60 Hz | ? | 90 Hz | ? |
| Battery | 3,900 mAh | 3,300 mAh | 1,300 mAh | 5,000 mAh | 500 mAh |
| Processor | 2 GHz MediaTek Helio A22 (MT6761) | 2.2 GHz Qualcomm Snapdragon 630 | ? | 2.2 GHz Snapdragon 4 Gen 2 | ? |
| RAM | 3 GB | 4 GB | ? | 6 GB | ? |
| Storage | 32 GB | 64 GB | ? raw hardware | 128 GB | ? raw hardware |
| Main Camera | 13 megapixel | 12 megapixel | Yes | 108 megapixel | - |
| Wide Camera | 5 megapixel | Yes | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 1080p HD | 4K UHD | - | 1080p HD | - |
| Front Camera | 5 megapixel | 8 megapixel | - | 50 megapixel | - |
| Weight |
6.24 oz (177g) |
5.47 oz (155g) |
4.23 oz (120g) |
7.2 oz (204g) |
2.79 oz (79g) |
| Dimensions |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
6.12" x 2.96" x 0.3" (155 x 75 x 7.7 mm) |
3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm) |
6.46" x 2.97" x 0.33" (164 x 75 x 8.4 mm) |
3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab | Slide |
| Platform / OS | Android | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 12, 14, 30 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
5G: 2, 4, 5, 7, 25, 41, 66, 71, 77-A, 77-C, 78 4G LTE: 2, 4, 5, 7, 8, 12, 25, 26, 28, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | LTE (Cat 12) | 1xRTT | NR (5G) | GPRS |
| Features | |||||
| Barometer | Yes | - | - | - | - |
| Fingerprint Reader |
Yes stand-alone |
Yes stand-alone |
- |
Yes stand-alone |
- |
| Flashlight | Yes | Yes | - | Yes | - |
| GPS / Location | n/a | n/a | Yes | n/a | - |
| Water-Resistant | - | - | - |
Yes IPX4 (splash) |
- |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes Hearing Aid Compatible (HAC-2019 / M3, T3) |
- |
| Multiple Languages | n/a | n/a | Yes | n/a | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | - | Yes | - |
| Infrared (IR) | - | - | - | - | Yes |
| NFC | - | Yes | - | Yes | - |
| USB |
Yes USB Type C |
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 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | n/a | Yes | n/a | Yes |
| Ringer ID | n/a | n/a | Yes | n/a | Yes |
| Voice Dialing | n/a | n/a | Yes | n/a | Yes |
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | n/a | Yes | n/a | Yes |
| Data & Network | |||||
| Data Tethering | n/a | n/a | Yes | n/a | Yes |
| Dual-SIM | - | Yes | - | Yes | - |
| WAP / Web Browser | n/a | n/a | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | n/a | n/a | - | n/a | Yes |
| EMS / Picture Messaging | n/a | n/a | Yes | n/a | Yes |
| MMS | n/a | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | n/a | Yes | n/a | Yes |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes | - |
| Photo & Video | |||||
| Miracast | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | Yes | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | n/a | Yes | n/a | Yes |
| Calculator | n/a | n/a | Yes | n/a | Yes |
| Calendar | n/a | n/a | Yes | n/a | Yes |
| To-Do List | n/a | n/a | Yes | n/a | Yes |
| Voice Memo | n/a | n/a | Yes | n/a | Yes |
| Software | |||||
| BREW | n/a | n/a | Yes | n/a | - |
| Games | n/a | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | n/a | - | n/a | Yes |
| Voice | |||||
| HD Voice | Yes | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | n/a | Yes | n/a | - |
| Speaker Phone | Yes | Yes | - | Yes | Yes |
| AT&T Maestro 3 | Asus ZenFone 4 | Samsung SCH-A610 | HMD Fusion | Siemens SL55 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Maestro 3 | Asus ZenFone 4 | Samsung SCH-A610 | HMD Fusion | Siemens SL55 |
