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| Phone | Samsung SGH-X640 | ZTE Engage LT / Engage MT | Samsung Galaxy Z Flip5 | Samsung Brightside | Samsung SCH-A990 |
| Current U.S. Carriers | (none) | (none) |
AT&T Spectrum Mobile Verizon Xfinity Mobile |
(none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
6.7" diag. 22 : 9 |
3.1" diag. 4 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1080 x 2640 pixels (~426 ppi) AMOLED |
240 x 320 pixels (~129 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 120 Hz | ? | ? |
| Battery | 800 mAh | 1,900 mAh | 3,700 mAh | 1,000 mAh | 1,000 mAh |
| Processor | ? | ? | Snapdragon 8 Gen 2 for Galaxy | ? | ? |
| RAM | ? | 1 GB | 8 GB | 128 MB | ? |
| Storage | ? raw hardware | 4 GB | 256 GB * | 256 MB | ? raw hardware |
| Main Camera | Yes | 3 megapixel | 12 megapixel | 3 megapixel | 3 megapixel |
| Wide Camera | - | - | 12 megapixel | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | WVGA / 480p | 4K UHD | QCIF (176 x 144) | ? |
| Front Camera | - | Yes | 10 megapixel | - | - |
| Weight |
3 oz (85g) |
5.09 oz (144g) |
6.6 oz (187g) |
4.3 oz (122g) |
4.4 oz (125g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm) |
3.35" x 2.83" x 0.59" (85 x 72 x 15 mm) |
4.37" x 2.37" x 0.56" (111 x 60 x 14.2 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
| Form Factor | Clamshell | Slab | Foldable | Slide | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1700, 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 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | GPRS | EVDO rA | NR (5G) | EVDO r0 | EVDO r0 |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | - | n/a | n/a | Yes | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | Yes | - |
| Hearing Aid Compatible | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| NFC | - | - | Yes | - | - |
| USB | - |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
Yes |
| Wi-Fi | - | Yes |
Yes 6E (802.11 a,ac,ax,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | n/a | Yes | Yes |
| Voice Dialing | - | n/a | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | n/a | Yes | Yes |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | Yes |
| Dual-SIM | - | - | Yes | - | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | Yes | - |
| EMS / Picture Messaging | Yes | n/a | n/a | - | Yes |
| Instant Messaging | - | n/a | n/a | - | - |
| MMS | Yes | n/a | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes | - |
| Music Player | - | n/a | n/a | Yes | Yes |
| Stereo Speakers | - | - | - | - | Yes |
| Photo & Video | |||||
| TV Output | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Wireless Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | Yes | n/a | n/a | Yes | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | Yes | n/a | n/a | - | - |
| Voice Memo | Yes | n/a | n/a | Yes | Yes |
| Software | |||||
| BREW | - | n/a | n/a | Yes | Yes |
| Games | Yes | n/a | n/a | Yes | Yes |
| 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 | Yes | Yes |
| Samsung SGH-X640 | ZTE Engage LT / Engage MT | Samsung Galaxy Z Flip5 | Samsung Brightside | Samsung SCH-A990 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | ZTE Engage LT / Engage MT | Samsung Galaxy Z Flip5 | Samsung Brightside | Samsung SCH-A990 |
