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| Phone | Samsung Knack U310 | ZTE Blade Z Max | Google Pixel 2 XL | LG Tritan AX-840 / UX-840 | Samsung SPH-A660 / VI660 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
6" diag. 16 : 9 |
6" diag. 18 : 9 |
3" diag. 5 : 3 |
? |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
1440 x 2880 pixels (~537 ppi) AMOLED |
240 x 400 pixels (~155 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (Color) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | ? |
| Battery | 1,000 mAh | 4,080 mAh | 3,520 mAh | 950 mAh | ? |
| Processor | ? | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) | ? | ? |
| RAM | ? | 2 GB | 4 GB | ? | ? |
| Storage | ? raw hardware | 32 GB | 64 GB * | ? raw hardware | ? raw hardware |
| Main Camera | - | 16 megapixel | 12 megapixel | 3 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | 4K UHD | QVGA (320 x 240) | - |
| Front Camera | - | 8 megapixel | 8 megapixel | - | - |
| Weight |
3.63 oz (103g) |
6.58 oz (186g) |
6.17 oz (175g) |
5.03 oz (143g) |
3.54 oz (100g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
6.22" x 3.02" x 0.31" (158 x 77 x 7.9 mm) |
4.45" x 2.24" x 0.65" (113 x 57 x 16.5 mm) |
3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm) |
| Form Factor | Clamshell | Slab | Slab | Slide | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 30, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | - | LTE (Cat 6) | LTE (Cat 15) | EVDO r0 | 1xRTT |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - |
Yes stand-alone |
Yes stand-alone |
- | - |
| Flashlight | - | Yes | Yes | - | - |
| GPS / Location | Yes | n/a | n/a | Yes | Yes |
| VR-ready | - | - | Yes | - | - |
| Water-Resistant | - | - |
Yes IPX7 (snorkeling) |
- | - |
| Accessibility | |||||
| Adjustable Text Size | Yes | n/a | n/a | Yes | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | - |
| NFC | - | - | Yes | - | - |
| USB | - |
Yes USB Type C |
Yes USB Type C |
Yes Micro-USB |
- |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | - | n/a | n/a | Yes | Yes |
| Ringer ID | - | n/a | n/a | Yes | Yes |
| Voice Dialing | Yes | n/a | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | - | n/a | n/a | Yes | Yes |
| Custom Ringtones | - | n/a | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | n/a | Yes | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | - | Yes |
| WAP / Web Browser | - | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | - | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes | - |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | Yes | - |
| EMS / Picture Messaging | Yes | n/a | n/a | - | - |
| Instant Messaging | - | n/a | n/a | Yes | - |
| MMS | - | n/a | n/a | Yes | - |
| Text Messaging Templates | - | n/a | n/a | Yes | - |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | - | Yes | - |
| Music Player | - | n/a | n/a | Yes | - |
| Stereo Speakers | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | Yes | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | Yes | n/a | n/a | Yes | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | - | n/a | n/a | - | Yes |
| Voice Memo | - | n/a | n/a | Yes | Yes |
| Software | |||||
| BREW | - | n/a | n/a | Yes | - |
| Games | - | n/a | n/a | Yes | Yes |
| Java (J2ME) | - | n/a | n/a | - | Yes |
| Voice | |||||
| HD Voice | - | Yes | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| Samsung Knack U310 | ZTE Blade Z Max | Google Pixel 2 XL | LG Tritan AX-840 / UX-840 | Samsung SPH-A660 / VI660 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | ZTE Blade Z Max | Google Pixel 2 XL | LG Tritan AX-840 / UX-840 | Samsung SPH-A660 / VI660 |
