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| Phone | Samsung SGH-X640 | Sharp Sidekick LX 2009 | CAT S48c | Samsung Galaxy A23 5G | NEC Terrain |
| Current U.S. Carriers | (none) | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
3.2" diag. 16 : 9 |
5" diag. 16 : 9 |
6.6" diag. 20 : 9 |
3.1" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
854 x 480 pixels (~306 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
1080 x 2408 pixels (~400 ppi) LCD (TFT/TFD) |
480 x 640 pixels (~258 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 120 Hz | 60 Hz |
| Battery | 800 mAh | 1,250 mAh | 4,000 mAh | 5,000 mAh | 1,900 mAh |
| Processor | ? | ? | 2.2 GHz Qualcomm Snapdragon 630 | 2.2 GHz Snapdragon 695 | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 |
| RAM | ? | ? | 4 GB | 4 GB | 1 GB |
| Storage | ? raw hardware | ? raw hardware | 32 GB | 64 GB | 8 GB |
| Main Camera | Yes | 3 megapixel | 13 megapixel | 50 megapixel | 5 megapixel |
| Wide Camera | - | - | - | 5 megapixel | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | QVGA (320 x 240) | 4K UHD | 1080p HD | 720p HD |
| Front Camera | - | - | 5 megapixel | 8 megapixel | Yes |
| Weight |
3 oz (85g) |
5.78 oz (164g) |
9.1 oz (258g) |
6.87 oz (195g) |
6.06 oz (172g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.12" x 2.36" x 0.63" (130 x 60 x 16 mm) |
5.9" x 3" x 0.5" (150 x 76 x 12.7 mm) |
6.47" x 3.02" x 0.33" (164 x 77 x 8.4 mm) |
5.02" x 2.54" x 0.57" (128 x 65 x 14.5 mm) |
| Form Factor | Clamshell | Swivel | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 25, 30, 41, 48, 66, 70, 71, 77-C 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 29, 30, 38, 39, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 1900 |
| Data Technology | GPRS | HSPA 7.2 | LTE (Cat 13) | NR (5G) | LTE (Cat 3) |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | Yes | - |
| GPS / Location | - | Yes | n/a | n/a | n/a |
| Ruggedized | - | - | Yes | - | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
Yes IPX7 (snorkeling) |
Yes IPX7 (snorkeling) |
| Accessibility | |||||
| Adjustable Text Size | - | Yes | n/a | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | n/a | n/a | n/a |
| NFC | - | - | Yes | Yes | Yes |
| USB | - | Yes |
Yes USB Type C |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a | n/a |
| Voice Dialing | - | - | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a | n/a |
| Real-Music Ringers | - | Yes | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | - | n/a | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | - | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | Yes |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | Yes | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | - | n/a | n/a | n/a |
| Instant Messaging | - | Yes | n/a | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a | n/a |
| Music | |||||
| FM Radio | - | - | Yes | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | Yes |
| Music Player | - | Yes | n/a | n/a | n/a |
| Stereo Speakers | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | Yes | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | n/a |
| Calculator | Yes | - | n/a | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a | n/a |
| To-Do List | Yes | Yes | n/a | n/a | n/a |
| Voice Memo | Yes | - | n/a | n/a | n/a |
| Software | |||||
| Games | Yes | Yes | n/a | n/a | n/a |
| Java (J2ME) | Yes | Yes | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | Yes | - | n/a | n/a | n/a |
| Push-To-Talk | - | - | Yes | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Sharp Sidekick LX 2009 | CAT S48c | Samsung Galaxy A23 5G | NEC Terrain | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Sharp Sidekick LX 2009 | CAT S48c | Samsung Galaxy A23 5G | NEC Terrain |
