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| Phone | Samsung Knack U310 | ZTE Blade Max 3 / Max Blue | Samsung Galaxy S6 (GSM) | Samsung SCH-A310 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
6" diag. 16 : 9 |
5.1" diag. 16 : 9 |
? |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
128 x 128 pixels LCD (Grayscale) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,000 mAh | 4,000 mAh | 2,550 mAh | ? |
| Processor | ? | 2 GHz Qualcomm Snapdragon 625 (MSM8953) | 2.1 GHz Samsung Exynos 7420 | ? |
| RAM | ? | 2 GB | 3 GB | ? |
| Storage | ? raw hardware | 16 GB | 32 GB * | ? raw hardware |
| Main Camera | - | 13 megapixel | 16 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 4K UHD | 4K UHD | - |
| Front Camera | - | 5 megapixel | 5 megapixel | - |
| Weight |
3.63 oz (103g) |
6.34 oz (180g) |
4.87 oz (138g) |
3.2 oz (91g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
6.49" x 3.3" x 0.35" (165 x 84 x 8.9 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 13, 25 WCDMA: 2, 4, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | - | LTE (Cat 4) | LTE (Cat 6) | 1xRTT |
| Features | ||||
| Fingerprint Reader | - |
Yes stand-alone |
Yes | - |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | Yes | n/a | n/a | Yes |
| VR-ready | - | - | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | n/a | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | Yes | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Infrared (IR) | - | - | Yes | - |
| MirrorLink | - | - | Yes | - |
| NFC | - | - | Yes | - |
| USB | - |
Yes USB Type C |
Yes Micro-USB |
Yes |
| Wi-Fi | - |
Yes 5 (802.11 ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Voice Dialing | Yes | n/a | n/a | Yes |
| Customization | ||||
| Changeable Body Plates | - | - | - | Yes |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | Yes |
| WAP / Web Browser | - | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | - | - |
| Messaging | ||||
| EMS / Picture Messaging | Yes | n/a | n/a | - |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Miracast | - | - | Yes | - |
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | Yes | Yes | - |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | - |
| Calculator | Yes | n/a | n/a | - |
| Calendar | Yes | n/a | n/a | Yes |
| Voice Memo | - | n/a | n/a | Yes |
| Software | ||||
| Games | - | n/a | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | - |
| Samsung Knack U310 | ZTE Blade Max 3 / Max Blue | Samsung Galaxy S6 (GSM) | Samsung SCH-A310 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | ZTE Blade Max 3 / Max Blue | Samsung Galaxy S6 (GSM) | Samsung SCH-A310 |
