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| Phone | Nokia 6620 | Samsung Convoy 4 | Samsung SCH-N330 | Samsung Galaxy A21 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.4" diag. 4 : 3 |
? |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
176 x 208 pixels LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 850 mAh | 1,300 mAh | ? | 4,000 mAh |
| Processor | ? | 480 MHz Qualcomm QSC6185 | ? | 2 GHz MediaTek Helio P35 (MT6765) |
| RAM | ? | 256 MB | ? | 3 GB |
| Storage | ? raw hardware | 512 MB | ? raw hardware | 32 GB |
| Main Camera | Yes | 5 megapixel | - | 16 megapixel |
| Wide Camera | - | - | - | 8 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | QVGA (320 x 240) | - | 1080p HD |
| Front Camera | - | - | - | 13 megapixel |
| Weight |
4.37 oz (124g) |
5.82 oz (165g) |
3.9 oz (111g) |
6.81 oz (193g) |
| Dimensions |
4.28" x 2.29" x 0.93" (109 x 58 x 23.6 mm) |
4.26" x 2.18" x 0.93" (108 x 55 x 23.6 mm) |
3.8" x 1.9" x 0.9" (97 x 48 x 22.9 mm) |
6.61" x 3.02" x 0.32" (168 x 77 x 8.1 mm) |
| Form Factor | Slab | Clamshell | Slide | Slab |
| Platform / OS | S60 (Symbian) | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 850, 1800, 1900 |
CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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 |
| Data Technology | EDGE | EVDO rA | 1xRTT | LTE (Cat 6) |
| Features | ||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | Yes | - | Yes |
| GPS / Location | n/a | Yes | Yes | n/a |
| Ruggedized | - | Yes | - | - |
| Water-Resistant | - |
Yes IPX7 (snorkeling) |
- | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | Yes | - | n/a |
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Infrared (IR) | Yes | - | - | - |
| NFC | - | - | - | Yes |
| USB | Yes |
Yes Micro-USB |
- |
Yes USB Type C |
| Wi-Fi | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | n/a |
| Ringer ID | n/a | Yes | - | n/a |
| Voice Dialing | n/a | Yes | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | Yes | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | - | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | - | Yes | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | - | - | n/a |
| EMS / Picture Messaging | n/a | - | Yes | n/a |
| MMS | n/a | Yes | - | n/a |
| Text Messaging Templates | n/a | - | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | n/a | Yes | - | n/a |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| To-Do List | n/a | - | Yes | n/a |
| Voice Memo | n/a | Yes | Yes | n/a |
| Software | ||||
| BREW | n/a | Yes | Yes | n/a |
| Games | n/a | Yes | Yes | n/a |
| Java (J2ME) | n/a | - | - | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | - | Yes | n/a |
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Nokia 6620 | Samsung Convoy 4 | Samsung SCH-N330 | Samsung Galaxy A21 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia 6620 | Samsung Convoy 4 | Samsung SCH-N330 | Samsung Galaxy A21 |
