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| Phone | Nokia 6650 fold | Motorola Moto z4 | Nokia 2780 Flip / 2760 Flip / 139 Flip / HMD Barbie Phone | HTC Bolt |
| Current U.S. Carriers | (none) | (none) | Tracfone | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
6.4" diag. 19.5 : 9 |
2.8" diag. 4 : 3 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~403 ppi) AMOLED |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~534 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,500 mAh | 3,600 mAh | 1,450 mAh | 3,200 mAh |
| Processor | 369 MHz ARM 11 | 2 GHz Qualcomm Snapdragon 675 | Qualcomm 215 | 2 GHz Qualcomm Snapdragon 810 (MSM8994) |
| RAM | ? | 4 GB | 512 MB | 3 GB |
| Storage | ? raw hardware | 128 GB | 4 GB | 32 GB |
| Main Camera | 2 megapixel | 48 megapixel | 5 megapixel | 16 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 4K UHD | WVGA / 480p | 4K UHD |
| Front Camera | - | 25 megapixel | - | 8 megapixel |
| Weight |
3.95 oz (112g) |
6 oz (170g) |
4.63 oz (131g) |
6.14 oz (174g) |
| Dimensions |
3.93" x 1.86" x 0.64" (100 x 47 x 16.2 mm) |
6.22" x 2.96" x 0.29" (158 x 75 x 7.4 mm) |
4.33" x 2.28" x 0.75" (110 x 58 x 19.1 mm) |
6.05" x 3.04" x 0.32" (154 x 77 x 8.1 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | S60 (Symbian) | Android | (proprietary) | Android |
| Network Bands |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 28, 29, 30, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 25, 26, 41 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSDPA 3.6 | LTE (Cat 12) | LTE (Cat 4) | LTE (Cat 9) |
| Features | ||||
| Fingerprint Reader | - | Yes | - |
Yes stand-alone |
| Flashlight | - | Yes | - | Yes |
| GPS / Location | n/a | n/a | Yes | n/a |
| Water-Resistant | - | Yes | - |
Yes IPX7 (snorkeling) |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | Yes | n/a |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | Yes | - |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | Yes | n/a |
| NFC | - | Yes | - | Yes |
| USB |
Yes Micro-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 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | n/a |
| Ringer ID | n/a | n/a | Yes | n/a |
| Voice Dialing | n/a | n/a | - | n/a |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | - | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes * | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | Yes | n/a |
| Instant Messaging | n/a | n/a | - | n/a |
| MMS | n/a | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | Yes * | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | n/a | n/a | Yes | n/a |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| Miracast | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | Yes | - | Yes |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | Yes | n/a |
| Voice Memo | n/a | n/a | Yes | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | - | n/a |
| Voice | ||||
| HD Voice | - | Yes | Yes | Yes |
| Headset Jack (2.5 mm) | n/a | n/a | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Nokia 6650 fold | Motorola Moto z4 | Nokia 2780 Flip / 2760 Flip / 139 Flip / HMD Barbie Phone | HTC Bolt | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia 6650 fold | Motorola Moto z4 | Nokia 2780 Flip / 2760 Flip / 139 Flip / HMD Barbie Phone | HTC Bolt |
