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| Phone | Samsung SGH-X640 | Samsung Nexus S | Samsung Galaxy Z Flip5 |
| Current U.S. Carriers | (none) | (none) |
AT&T Spectrum Mobile Verizon Xfinity Mobile |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
6.7" diag. 22 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) AMOLED |
1080 x 2640 pixels (~426 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 120 Hz |
| Battery | 800 mAh | 1,500 mAh | 3,700 mAh |
| Processor | ? | 1 GHz Samsung Hummingbird Cortex A8 | Snapdragon 8 Gen 2 for Galaxy |
| RAM | ? | ? | 8 GB |
| Storage | ? raw hardware | 16 GB | 256 GB * |
| Main Camera | Yes | 5 megapixel | 12 megapixel |
| Wide Camera | - | - | 12 megapixel |
| Tele Camera | - | - | - |
| Video Capture | - | WVGA / 480p | 4K UHD |
| Front Camera | - | Yes | 10 megapixel |
| Weight |
3 oz (85g) |
4.55 oz (129g) |
6.6 oz (187g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.88" x 2.48" x 0.43" (124 x 63 x 10.9 mm) |
3.35" x 2.83" x 0.59" (85 x 72 x 15 mm) |
| Form Factor | Clamshell | Slab | Foldable |
| Platform / OS | (proprietary) | Android | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
5G: 2, 5, 7, 12, 25, 26, 30, 41, 48, 66, 71, 77-A, 77-C, 78, 257, 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, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
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| Data Technology | GPRS | HSPA 7.2 | NR (5G) |
| Features | |||
| Barometer | - | - | Yes |
| Fingerprint Reader | - | - |
Yes stand-alone |
| Flashlight | - | - | Yes |
| GPS / Location | - | n/a | 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 | n/a | n/a |
| TTY/TDD (Digital) | - | - | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a |
| NFC | - | Yes | Yes |
| USB | - |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 6E (802.11 a,ac,ax,b,g,n) |
| Contacts | |||
| Picture ID | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | n/a |
| Voice Dialing | - | n/a | n/a |
| Customization | |||
| Custom Graphics | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a |
| Data & Network | |||
| Data Tethering | - | n/a | n/a |
| Dual-SIM | - | - | Yes |
| WAP / Web Browser | Yes | n/a | n/a |
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
| Messaging | |||
| Email Client | - | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a |
| Instant Messaging | - | n/a | n/a |
| MMS | Yes | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | - | n/a | n/a |
| Power | |||
| Fast Charging | - | - | Yes |
| Wireless Charging | - | - | Yes |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| To-Do List | Yes | n/a | n/a |
| Voice Memo | Yes | n/a | n/a |
| Software | |||
| Games | Yes | n/a | n/a |
| Java (J2ME) | Yes | n/a | n/a |
| Voice | |||
| HD Voice | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes |
| Samsung SGH-X640 | Samsung Nexus S | Samsung Galaxy Z Flip5 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung Nexus S | Samsung Galaxy Z Flip5 |
