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| Phone | Samsung Knack U310 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Asus ROG Phone | Sanyo Katana Eclipse | Cricket Ovation / AT&T Radiant Max |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
5" diag. 16 : 9 |
6" diag. 18 : 9 |
2" diag. 4 : 3 |
6.5" diag. 19.5 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~220 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~402 ppi) AMOLED |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
720 x 1560 pixels (~264 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 1,000 mAh | 2,600 mAh | 4,000 mAh | 840 mAh | 4,000 mAh |
| Processor | ? | 1.4 GHz Samsung Exynos 7570 | 3 GHz Qualcomm Snapdragon 845 | ? | 2 GHz MediaTek Helio P22 (MT6762) |
| RAM | ? | 2 GB | 8 GB | ? | 3 GB |
| Storage | ? raw hardware | 16 GB | 128 GB * | ? raw hardware | 32 GB |
| Main Camera | - | 8 megapixel | 12 megapixel | 1 megapixel | 13 megapixel |
| Wide Camera | - | - | 8 megapixel | - | 5 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | 4K UHD | ? | 1080p HD |
| Front Camera | - | 5 megapixel | 8 megapixel | - | 8 megapixel |
| Weight |
3.63 oz (103g) |
5.43 oz (154g) |
7.05 oz (200g) |
3.4 oz (96g) |
6.18 oz (175g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm) |
6.25" x 3" x 0.34" (159 x 76 x 8.6 mm) |
3.6" x 1.9" x 0.7" (91 x 48 x 17.8 mm) |
6.71" x 3" x 0.35" (170 x 76 x 8.9 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34, 38, 39, 40, 41, 46 WCDMA: 1, 2, 3, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 14, 29, 30, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | - | LTE (Cat 4) | LTE (Cat 16) | EVDO r0 | LTE (Cat 4) |
| Features | |||||
| Fingerprint Reader | - | - | Yes | - |
Yes stand-alone |
| Flashlight | - | Yes | Yes | - | Yes |
| GPS / Location | Yes | n/a | n/a | Yes | n/a |
| Water-Resistant | - | - | Yes | - | - |
| Accessibility | |||||
| Adjustable Text Size | Yes | n/a | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| NFC | - | - | Yes | - | Yes |
| USB | - |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,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 | Yes | 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 | Yes | n/a |
| Dual-SIM | - | - | Yes | - | - |
| WAP / Web Browser | - | n/a | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | Yes |
| Messaging | |||||
| EMS / Picture Messaging | Yes | n/a | n/a | - | n/a |
| Text Messaging Templates | - | n/a | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | Yes |
| Music Player | - | n/a | n/a | Yes | n/a |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | n/a |
| Calculator | Yes | n/a | n/a | Yes | n/a |
| Calendar | Yes | 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 | Yes | n/a |
| Voice | |||||
| Call Screening | - | - | - | Yes | - |
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung Knack U310 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Asus ROG Phone | Sanyo Katana Eclipse | Cricket Ovation / AT&T Radiant Max | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Asus ROG Phone | Sanyo Katana Eclipse | Cricket Ovation / AT&T Radiant Max |
