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| Phone | Samsung Galaxy A21 | Samsung Galaxy Fold | Motorola RIZR Z3 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
7.3" diag. 4 : 3 |
? |
| Display Resolution & Type |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
1536 x 2152 pixels (~362 ppi) AMOLED |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? |
| Battery | 4,000 mAh | 4,380 mAh | 780 mAh |
| Processor | 2 GHz MediaTek Helio P35 (MT6765) | 2.8 GHz Qualcomm Snapdragon 855 | ? |
| RAM | 3 GB | 12 GB | ? |
| Storage | 32 GB | 512 GB | ? raw hardware |
| Main Camera | 16 megapixel | 12 megapixel | 2 megapixel |
| Wide Camera | 8 megapixel | 16 megapixel | - |
| Tele Camera | - | 12 megapixel | - |
| Video Capture | 1080p HD | 4K UHD | QCIF (176 x 144) |
| Front Camera | 13 megapixel | 10 megapixel | - |
| Weight |
6.81 oz (193g) |
9.74 oz (276g) |
3.92 oz (111g) |
| Dimensions |
6.61" x 3.02" x 0.32" (168 x 77 x 8.1 mm) |
6.33" x 2.47" x 0.67" (161 x 63 x 17 mm) |
4.15" x 1.79" x 0.65" (105 x 45 x 16.5 mm) |
| Form Factor | Slab | Foldable | Slide |
| Platform / OS | Android | Android | (proprietary) |
| Network Bands |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 46, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 6) | LTE (Cat 18) | EDGE |
| Features | |||
| Barometer | - | Yes | - |
| Fingerprint Reader |
Yes stand-alone |
Yes stand-alone |
- |
| Flashlight | Yes | Yes | - |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | - | Yes | - |
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| MirrorLink | - | Yes | - |
| NFC | Yes | Yes | - |
| USB |
Yes USB Type C |
Yes USB Type C |
Yes Mini-USB |
| Wi-Fi |
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 |
| Ringer ID | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | Yes |
| Customization | |||
| Custom Graphics | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | Yes |
| Data & Network | |||
| Data Tethering | n/a | n/a | Yes |
| Dual-SIM | - | Yes | - |
| WAP / Web Browser | n/a | n/a | Yes |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | - | Yes |
| Messaging | |||
| Email Client | n/a | n/a | Yes * |
| EMS / Picture Messaging | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | Yes |
| MMS | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | - |
| Music Player | n/a | n/a | Yes |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| TV Output | - | Yes | - |
| Power | |||
| Fast Charging | Yes | Yes | - |
| Wireless Charging | - | Yes | - |
| Productivity | |||
| Alarm | n/a | n/a | Yes |
| Calculator | n/a | n/a | Yes |
| Calendar | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | Yes |
| Software | |||
| Games | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | Yes |
| Voice | |||
| HD Voice | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Samsung Galaxy A21 | Samsung Galaxy Fold | Motorola RIZR Z3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy A21 | Samsung Galaxy Fold | Motorola RIZR Z3 |
