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| Phone | Samsung PM-A840 | Samsung SGH-D600 | Samsung Galaxy Z Fold4 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? |
7.6" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
240 x 320 pixels LCD (TFT/TFD) |
1812 x 2176 pixels (~373 ppi) AMOLED |
| Display Refresh | ? | ? | 120 Hz |
| Battery | ? | ? | 4,400 mAh |
| Processor | ? | ? | 3.2 GHz Snapdragon 8+ Gen 1 |
| RAM | ? | ? | 12 GB |
| Storage | ? raw hardware | ? raw hardware | 256 GB * |
| Main Camera | Yes | 2 megapixel | 50 megapixel |
| Wide Camera | - | - | 12 megapixel |
| Tele Camera | - | - | 10 megapixel |
| Video Capture | - | ? | 4K UHD |
| Front Camera | - | - | 10 megapixel |
| Weight |
3.28 oz (93g) |
3.49 oz (99g) |
9.28 oz (263g) |
| Dimensions |
3.54" x 1.85" x 0.94" (90 x 47 x 23.9 mm) |
3.78" x 1.83" x 0.85" (96 x 46 x 21.6 mm) |
6.11" x 2.64" x 0.62" (155 x 67 x 15.8 mm) |
| Form Factor | Clamshell | Slide | Foldable |
| Platform / OS | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 7, 12, 25, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 258, 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, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | GPRS | NR (5G) |
| Features | |||
| Barometer | - | - | Yes |
| Fingerprint Reader | - | - |
Yes stand-alone |
| Flashlight | - | - | Yes |
| GPS / Location | Yes | - | n/a |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| NFC | - | - | Yes |
| USB | - | Yes |
Yes USB Type C |
| UWB | - | - | Yes |
| Wi-Fi | - | - |
Yes 6E (802.11 a,ac,ax,b,g,n) |
| Contacts | |||
| Picture ID | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | n/a |
| Voice Dialing | Yes | - | n/a |
| Customization | |||
| Custom Graphics | Yes | - | n/a |
| Custom Ringtones | Yes | Yes | n/a |
| Data & Network | |||
| Dual-SIM | - | - | Yes |
| WAP / Web Browser | Yes | Yes | n/a |
| Input | |||
| Predictive Text Entry | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Stylus | - | - | Yes |
| Touch Screen | - | - |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | Yes | - |
| Messaging | |||
| Email Client | - | Yes | n/a |
| EMS / Picture Messaging | - | Yes | n/a |
| MMS | - | Yes | n/a |
| Text Messaging Templates | Yes | Yes | n/a |
| Music | |||
| Music Player | - | Yes | n/a |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| TV Output | - | Yes | Yes |
| Power | |||
| Fast Charging | - | - | Yes |
| Wireless Charging | - | - | Yes |
| Productivity | |||
| Alarm | Yes | Yes | n/a |
| Calculator | Yes | Yes | n/a |
| Calendar | Yes | Yes | n/a |
| To-Do List | Yes | Yes | n/a |
| Voice Memo | Yes | Yes | n/a |
| Software | |||
| Games | Yes | Yes | n/a |
| Java (J2ME) | Yes | Yes | n/a |
| Voice | |||
| HD Voice | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | n/a |
| Speaker Phone | Yes | Yes | Yes |
| Samsung PM-A840 | Samsung SGH-D600 | Samsung Galaxy Z Fold4 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung PM-A840 | Samsung SGH-D600 | Samsung Galaxy Z Fold4 |
