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| Phone | Samsung Knack U310 | Motorola RAZR V3i / V3t / V3e / V3r | Samsung SPH-A660 / VI660 | ZTE Blade Z Max | Samsung Galaxy S7 edge |
| 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 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (Color) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~534 ppi) AMOLED |
| Display Refresh | ? | ? | ? | 60 Hz | 60 Hz |
| Battery | 1,000 mAh | 710 mAh | ? | 4,080 mAh | 3,600 mAh |
| Processor | ? | ? | ? | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) |
| RAM | ? | ? | ? | 2 GB | 4 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB | 32 GB |
| Main Camera | - | 1 megapixel | - | 16 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | - | 1080p HD | 4K UHD |
| Front Camera | - | - | - | 8 megapixel | 5 megapixel |
| Weight |
3.63 oz (103g) |
3.53 oz (100g) |
3.54 oz (100g) |
6.58 oz (186g) |
5.54 oz (157g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
3.86" x 2.09" x 0.55" (98 x 53 x 14 mm) |
3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm) |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
5.94" x 2.86" x 0.3" (151 x 73 x 7.7 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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, 18, 19, 20, 25, 26, 29, 30, 38, 39, 40, 41 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | GPRS | 1xRTT | LTE (Cat 6) | LTE (Cat 9) |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
Yes |
| Flashlight | - | - | - | Yes | Yes |
| GPS / Location | Yes | - | Yes | n/a | n/a |
| VR-ready | - | - | - | - | Yes |
| Water-Resistant | - | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||||
| Adjustable Text Size | Yes | - | - | 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, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | Yes | - | - | - |
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | - | Yes | Yes |
| MirrorLink | - | - | - | - | Yes |
| NFC | - | - | - | - | Yes |
| USB | - |
Yes Mini-USB |
- |
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 | - | Yes | Yes | n/a | n/a |
| Ringer ID | - | Yes | Yes | n/a | n/a |
| Voice Dialing | Yes | Yes | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | - | Yes | Yes | n/a | n/a |
| Custom Ringtones | - | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | Yes | - | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | - | Yes | n/a | n/a |
| Dual-SIM | - | - | - | - | Yes |
| WAP / Web Browser | - | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | Yes | - | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | - | n/a | n/a |
| MMS | - | Yes | - | n/a | n/a |
| Text Messaging Templates | - | Yes * | - | n/a | n/a |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | - | Yes | Yes |
| Music Player | - | Yes | - | n/a | n/a |
| Photo & Video | |||||
| DLNA | - | - | - | - | Yes |
| Miracast | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | Yes | Yes |
| Wireless Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | Yes | n/a | n/a |
| To-Do List | - | - | Yes | n/a | n/a |
| Voice Memo | - | Yes | Yes | n/a | n/a |
| Software | |||||
| Games | - | Yes | Yes | n/a | n/a |
| Java (J2ME) | - | Yes | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | Yes | Yes |
| Headset Jack (2.5 mm) | Yes | - | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | - | Yes | Yes |
| * Some versions only | |||||
| Samsung Knack U310 | Motorola RAZR V3i / V3t / V3e / V3r | Samsung SPH-A660 / VI660 | ZTE Blade Z Max | Samsung Galaxy S7 edge | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Motorola RAZR V3i / V3t / V3e / V3r | Samsung SPH-A660 / VI660 | ZTE Blade Z Max | Samsung Galaxy S7 edge |
