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| Phone | Samsung Galaxy Note 4 (CDMA) | Samsung SGH-X640 | Samsung Galaxy Z Fold3 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
5.7" diag. 16 : 9 |
? |
7.6" diag. 4 : 3 |
| Display Resolution & Type |
1440 x 2560 pixels (~515 ppi) AMOLED |
128 x 160 pixels LCD (TFT/TFD) |
1768 x 2208 pixels (~372 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | 120 Hz |
| Battery | 3,220 mAh | 800 mAh | 4,400 mAh |
| Processor | 2.7 GHz Qualcomm Snapdragon 805 | ? | Qualcomm Snapdragon 888 |
| RAM | 3 GB | ? | 12 GB |
| Storage | 32 GB | ? raw hardware | 256 GB * |
| Main Camera | 16 megapixel | Yes | 12 megapixel |
| Wide Camera | - | - | 12 megapixel |
| Tele Camera | - | - | 12 megapixel |
| Video Capture | 4K UHD | - | 4K UHD |
| Front Camera | 4 megapixel | - | 10 megapixel |
| Weight |
6.21 oz (176g) |
3 oz (85g) |
9.56 oz (271g) |
| Dimensions |
6.04" x 3.09" x 0.33" (154 x 79 x 8.5 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
6.23" x 2.64" x 0.63" (158 x 67 x 16 mm) |
| Form Factor | Slab | Clamshell | Foldable |
| Platform / OS | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 3, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 4) | GPRS | NR (5G) |
| Features | |||
| Barometer | - | - | Yes |
| Fingerprint Reader | Yes | - |
Yes stand-alone |
| Flashlight | Yes | - | Yes |
| GPS / Location | n/a | - | n/a |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||
| Adjustable Text Size | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | - | Yes |
| Infrared (IR) | Yes | - | - |
| MirrorLink | Yes | - | - |
| Mobile Hotspot | n/a | - | n/a |
| NFC | Yes | - | Yes |
| USB |
Yes Micro-USB |
- |
Yes USB Type C |
| UWB | - | - | Yes |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | |||
| Picture ID | n/a | Yes | n/a |
| Ringer ID | n/a | Yes | n/a |
| Voice Dialing | n/a | - | n/a |
| Customization | |||
| Custom Graphics | n/a | Yes | n/a |
| Custom Ringtones | n/a | Yes | n/a |
| Real-Music Ringers | n/a | - | n/a |
| Data & Network | |||
| Data Tethering | n/a | - | n/a |
| Dual-SIM | - | - | Yes |
| WAP / Web Browser | n/a | Yes | n/a |
| Input | |||
| Predictive Text Entry | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Stylus | Yes | - | - |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | - | - |
| Messaging | |||
| Email Client | n/a | - | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a |
| Instant Messaging | n/a | - | n/a |
| MMS | n/a | Yes | n/a |
| Text Messaging Templates | n/a | Yes | n/a |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | - |
| Music Player | n/a | - | n/a |
| Stereo Speakers | - | - | Yes |
| Photo & Video | |||
| TV Output | Yes | - | Yes |
| Power | |||
| Fast Charging | Yes | - | Yes |
| Wireless Charging | - | - | Yes |
| Productivity | |||
| Alarm | n/a | Yes | n/a |
| Calculator | n/a | Yes | n/a |
| Calendar | n/a | Yes | n/a |
| To-Do List | n/a | Yes | n/a |
| Voice Memo | n/a | Yes | n/a |
| Software | |||
| Games | n/a | Yes | n/a |
| Java (J2ME) | n/a | Yes | n/a |
| Voice | |||
| HD Voice | Yes | - | Yes |
| Headset Jack (2.5 mm) | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes |
| Samsung Galaxy Note 4 (CDMA) | Samsung SGH-X640 | Samsung Galaxy Z Fold3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy Note 4 (CDMA) | Samsung SGH-X640 | Samsung Galaxy Z Fold3 |
