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| Phone | Samsung DoubleTime | ZTE Concord II | Kyocera DuraXTP | Samsung Galaxy A51 (4G) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.2" diag. 5 : 3 |
4" diag. 5 : 3 |
2.4" diag. 4 : 3 |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~405 ppi) AMOLED |
| Display Refresh | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 1,200 mAh | 1,820 mAh | 1,500 mAh | 4,000 mAh |
| Processor | 600 MHz Qualcomm | 1.2 GHz Qualcomm MSM8210 | 480 MHz Qualcomm QSC6185 | 2.3 GHz Samsung Exynos 9611 |
| RAM | ? | 1 GB | 256 MB | 4 GB |
| Storage | ? raw hardware | 4 GB | 512 MB | 128 GB |
| Main Camera | 3 megapixel | 5 megapixel | 5 megapixel | 48 megapixel |
| Wide Camera | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 720p HD | QVGA (320 x 240) | 4K UHD |
| Front Camera | - | - | - | 32 megapixel |
| Weight |
5.22 oz (148g) |
4.4 oz (125g) |
5.75 oz (163g) |
6.07 oz (172g) |
| Dimensions |
4.45" x 2.44" x 0.59" (113 x 62 x 15 mm) |
4.96" x 2.56" x 0.42" (126 x 65 x 10.7 mm) |
4.13" x 2.15" x 0.99" (105 x 55 x 25.1 mm) |
6.24" x 2.89" x 0.31" (158 x 73 x 7.9 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | Android | Android | (proprietary) | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 30, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA 7.2 | HSPA+ 21 | EVDO rA | LTE (Cat 12) |
| Features | ||||
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | n/a | n/a | Yes | n/a |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | Yes | n/a |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| MirrorLink | - | - | - | Yes |
| Mobile Hotspot | n/a | n/a | - | n/a |
| NFC | - | - | - | Yes |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 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 | Yes | 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 |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen |
Yes Capacitive |
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 |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Music Player | n/a | n/a | - | n/a |
| Power | ||||
| Fast Charging | - | - | - | 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 |
| Voice | ||||
| HD Voice | - | Yes | - | Yes |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung DoubleTime | ZTE Concord II | Kyocera DuraXTP | Samsung Galaxy A51 (4G) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung DoubleTime | ZTE Concord II | Kyocera DuraXTP | Samsung Galaxy A51 (4G) |
