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| Phone | Samsung Knack U310 | Apple iPhone 4 (GSM) | HTC Amaze 4G | Motorola Moto Z2 Force | Motorola i275 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
3.5" diag. 5 : 3 |
4.3" diag. 16 : 9 |
5.5" diag. 16 : 9 |
? |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~534 ppi) AMOLED |
128 x 128 pixels LCD (Color) |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz | ? |
| Battery | 1,000 mAh | ? | 1,730 mAh | 2,730 mAh | 750 mAh |
| Processor | ? | Apple A4 | 1.5 GHz Qualcomm Snapdragon S3 dual-core | 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) | ? |
| RAM | ? | ? | 1 GB | 4 GB | ? |
| Storage | ? raw hardware | 32 GB * | 16 GB | 64 GB | ? raw hardware |
| Main Camera | - | 5 megapixel | 8 megapixel | 12 megapixel | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 720p HD | 1080p HD | 4K UHD | - |
| Front Camera | - | Yes | 2 megapixel | 5 megapixel | - |
| Weight |
3.63 oz (103g) |
4.8 oz (136g) |
6.1 oz (173g) |
5.04 oz (143g) |
4.6 oz (130g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm) |
6.13" x 2.99" x 0.24" (156 x 76 x 6.1 mm) |
4.8" x 1.93" x 0.98" (122 x 49 x 24.9 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | iOS | Android | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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 |
iDEN: 800 |
| Data Technology | - | HSPA 7.2 | HSPA+ 42 | LTE (Cat 16) | - |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | Yes | - |
| GPS / Location | Yes | n/a | n/a | n/a | Yes |
| 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 M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | n/a | - |
| NFC | - | - | Yes | Yes | - |
| USB | - | Yes | Yes |
Yes USB Type C |
- |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,b,g,n) |
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 | Yes |
| Voice Dialing | Yes | n/a | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | - | n/a | n/a | n/a | Yes |
| Custom Ringtones | - | n/a | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | Yes |
| Dual-SIM | - | - | - | Yes * | - |
| WAP / Web Browser | - | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | - | 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 | Yes |
| Text Messaging Templates | - | n/a | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | - |
| Music Player | - | n/a | n/a | n/a | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| TV Output | - | Yes | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | - |
| Calculator | Yes | n/a | n/a | n/a | - |
| Calendar | Yes | n/a | n/a | n/a | Yes |
| Voice Memo | - | n/a | n/a | n/a | Yes |
| Software | |||||
| Games | - | n/a | n/a | n/a | Yes |
| Java (J2ME) | - | n/a | n/a | n/a | Yes |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | Yes |
| Push-To-Talk | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung Knack U310 | Apple iPhone 4 (GSM) | HTC Amaze 4G | Motorola Moto Z2 Force | Motorola i275 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Apple iPhone 4 (GSM) | HTC Amaze 4G | Motorola Moto Z2 Force | Motorola i275 |
