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| Phone | Samsung Knack U310 | BlackBerry 8830 | HTC Touch Pro2 (CDMA) | Ericsson R278d | Motorola Moto Z2 Force |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
? |
3.6" diag. 5 : 3 |
? |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
480 x 800 pixels (~259 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
1440 x 2560 pixels (~534 ppi) AMOLED |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 1,000 mAh | 1,400 mAh | 1,500 mAh | ? | 2,730 mAh |
| Processor | ? | ? | 528 MHz MSM7600 | ? | 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) |
| RAM | ? | ? | ? | ? | 4 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 64 GB |
| Main Camera | - | - | 3 megapixel | - | 12 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | ? | - | 4K UHD |
| Front Camera | - | - | - | - | 5 megapixel |
| Weight |
3.63 oz (103g) |
4.6 oz (130g) |
6.35 oz (180g) |
9.28 oz (263g) |
5.04 oz (143g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
4.49" x 2.6" x 0.55" (114 x 66 x 14 mm) |
4.57" x 2.33" x 0.68" (116 x 59 x 17.3 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
6.13" x 2.99" x 0.24" (156 x 76 x 6.1 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | Windows Mobile Professional | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
TDMA: 850, 1900 AMPS: 850 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | - | EVDO r0 | EVDO rA | - | LTE (Cat 16) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | - | Yes |
| GPS / Location | Yes | n/a | n/a | - | n/a |
| VR-ready | - | - | - | - | Yes |
| 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 M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M3, 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 | - | - | - | - |
| Ringer Profiles | - | Yes | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | - | Yes |
| NFC | - | - | - | - | Yes |
| USB | - | Yes | Yes | - |
Yes USB Type C |
| Wi-Fi | - | - | Yes | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | - | n/a | n/a | - | n/a |
| Ringer ID | - | n/a | n/a | - | n/a |
| Voice Dialing | Yes | n/a | n/a | - | n/a |
| Customization | |||||
| Custom Graphics | - | n/a | n/a | - | n/a |
| Custom Ringtones | - | n/a | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | n/a | - | 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 |
| Stylus | - | - | Yes | - | - |
| Text Keyboard, Hardware | - | Yes | Yes | - | - |
| Touch Screen | - | - |
Yes Resistive |
- |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | - | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | - | n/a |
| Instant Messaging | - | n/a | n/a | - | n/a |
| MMS | - | n/a | n/a | - | n/a |
| Text Messaging Templates | - | n/a | n/a | - | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | - | n/a | n/a | - | n/a |
| 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 | - | n/a |
| Calendar | Yes | n/a | n/a | - | n/a |
| To-Do List | - | n/a | n/a | - | n/a |
| Voice Memo | - | n/a | n/a | - | n/a |
| Software | |||||
| Games | - | n/a | n/a | - | n/a |
| Java (J2ME) | - | n/a | n/a | - | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | - | n/a |
| Push-To-Talk | - | Yes * | - | - | - |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| * Some versions only | |||||
| Samsung Knack U310 | BlackBerry 8830 | HTC Touch Pro2 (CDMA) | Ericsson R278d | Motorola Moto Z2 Force | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | BlackBerry 8830 | HTC Touch Pro2 (CDMA) | Ericsson R278d | Motorola Moto Z2 Force |
