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| Phone | Samsung Knack U310 | Apple iPhone 4 (GSM) | Samsung Galaxy S6 (GSM) | Motorola RAZR V3xx | Samsung Galaxy S10 5G |
| 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 |
5.1" diag. 16 : 9 |
? |
6.7" diag. 19 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
240 x 320 pixels LCD (TFT/TFD) |
1440 x 3040 pixels (~502 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 1,000 mAh | ? | 2,550 mAh | 940 mAh | 4,500 mAh |
| Processor | ? | Apple A4 | 2.1 GHz Samsung Exynos 7420 | ? | 2.8 GHz Qualcomm Snapdragon 855 |
| RAM | ? | ? | 3 GB | ? | 8 GB |
| Storage | ? raw hardware | 32 GB * | 32 GB * | ? raw hardware | 256 GB * |
| Main Camera | - | 5 megapixel | 16 megapixel | 1 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - | 16 megapixel |
| Tele Camera | - | - | - | - | 12 megapixel |
| Video Capture | - | 720p HD | 4K UHD | ? | 4K UHD |
| Front Camera | - | Yes | 5 megapixel | - | 10 megapixel |
| Weight |
3.63 oz (103g) |
4.8 oz (136g) |
4.87 oz (138g) |
3.63 oz (103g) |
6.98 oz (198g) |
| 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) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
4.05" x 2.08" x 0.58" (103 x 53 x 14.7 mm) |
6.4" x 3.04" x 0.31" (163 x 77 x 7.9 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | iOS | Android | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
5G: 41, 260, 261 4G LTE: 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 26, 28, 29, 30, 34, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | - | HSPA 7.2 | LTE (Cat 6) | HSDPA 3.6 | NR (5G) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | Yes | - |
Yes in-display (ultrasonic) |
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | Yes | n/a | n/a | - | n/a |
| VR-ready | - | - | Yes | - | - |
| Water-Resistant | - | - | - | - |
Yes IPX8 (SCUBA) |
| 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, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | Yes | - |
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | Yes | - | - |
| MirrorLink | - | - | Yes | - | Yes |
| Mobile Hotspot | - | n/a | n/a | - | n/a |
| NFC | - | - | Yes | - | Yes |
| USB | - | Yes |
Yes Micro-USB |
Yes Mini-USB |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | |||||
| Picture ID | - | n/a | n/a | Yes | n/a |
| Ringer ID | - | n/a | n/a | Yes | n/a |
| Voice Dialing | Yes | n/a | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | - | n/a | n/a | Yes | n/a |
| Custom Ringtones | - | n/a | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | n/a |
| External Antenna Jack | - | n/a | n/a | Yes | n/a |
| 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 |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | - | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | - | n/a |
| MMS | - | n/a | n/a | Yes | n/a |
| Text Messaging Templates | - | n/a | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | Yes |
| Music Player | - | n/a | n/a | Yes | n/a |
| Stereo Speakers | - | - | - | - | Yes |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Miracast | - | - | Yes | - | Yes |
| TV Output | - | Yes | Yes | - | Yes |
| Power | |||||
| Fast Charging | - | - | Yes | - | Yes |
| Wireless Charging | - | - | Yes | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | n/a |
| Calculator | Yes | n/a | n/a | Yes | n/a |
| Calendar | Yes | n/a | n/a | Yes | n/a |
| Voice Memo | - | n/a | n/a | Yes | n/a |
| Software | |||||
| Games | - | n/a | n/a | Yes | n/a |
| Java (J2ME) | - | n/a | n/a | Yes | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung Knack U310 | Apple iPhone 4 (GSM) | Samsung Galaxy S6 (GSM) | Motorola RAZR V3xx | Samsung Galaxy S10 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Apple iPhone 4 (GSM) | Samsung Galaxy S6 (GSM) | Motorola RAZR V3xx | Samsung Galaxy S10 5G |
