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| Phone | Samsung SGH-X640 | Cricket Icon / AT&T Radiant Core | Samsung SPH-N270 (Matrix Phone) | Samsung Galaxy S21 | Siemens S66 / S65 / SP65 |
| Current U.S. Carriers | (none) | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5.5" diag. 18 : 9 |
? |
6.2" diag. 20 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
480 x 960 pixels (~195 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
132 x 176 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 120 Hz | ? |
| Battery | 800 mAh | 2,500 mAh | 1,000 mAh | 4,000 mAh | 750 mAh |
| Processor | ? | 1.5 GHz MediaTek MT6739 | ? | 2.8 GHz Qualcomm Snapdragon 888 | ? |
| RAM | ? | 1 GB | ? | 8 GB | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware | 128 GB * | ? raw hardware |
| Main Camera | Yes | 5 megapixel | - | 12 megapixel | 1 megapixel |
| Wide Camera | - | - | - | 12 megapixel | - |
| Tele Camera | - | - | - | 64 megapixel | - |
| Video Capture | - | 1080p HD | - | 8K | QCIF (176 x 144) |
| Front Camera | - | 2 megapixel | - | 10 megapixel | - |
| Weight |
3 oz (85g) |
6.07 oz (172g) |
4.66 oz (132g) |
6.03 oz (171g) |
3.46 oz (98g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.91" x 2.87" x 0.39" (150 x 73 x 9.9 mm) |
4.53" x 2.28" x 0.79" (115 x 58 x 20.1 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
4.29" x 1.89" x 0.71" (109 x 48 x 18 mm) |
| Form Factor | Clamshell | Slab | Slide | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
| Data Technology | GPRS | LTE (Cat 4) | - | NR (5G) | GPRS |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | - |
Yes in-display (ultrasonic) |
- |
| Flashlight | - | Yes | - | Yes | - |
| GPS / Location | - | n/a | Yes | n/a | - |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | - | Yes | - |
| Alerts | |||||
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | - | Yes | Yes |
| Infrared (IR) | - | - | - | - | Yes |
| NFC | - | - | - | Yes | - |
| USB | - |
Yes Micro-USB |
- |
Yes USB Type C |
Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | n/a | Yes |
| Ringer ID | Yes | n/a | Yes | n/a | Yes |
| Voice Dialing | - | n/a | Yes | n/a | - |
| Customization | |||||
| Custom Graphics | Yes | n/a | - | n/a | Yes |
| Custom Ringtones | Yes | n/a | - | n/a | Yes |
| Data & Network | |||||
| Data Tethering | - | n/a | - | n/a | Yes |
| WAP / Web Browser | Yes | n/a | - | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | - | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | 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 | Yes |
| MMS | Yes | n/a | - | n/a | Yes |
| Text Messaging Templates | Yes | n/a | - | n/a | - |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | - | - |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| TV Output | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes | n/a | Yes |
| To-Do List | Yes | n/a | Yes | n/a | Yes |
| Voice Memo | Yes | n/a | Yes | n/a | Yes |
| Software | |||||
| Games | Yes | n/a | - | n/a | Yes |
| Java (J2ME) | Yes | n/a | - | n/a | Yes |
| Voice | |||||
| HD Voice | - | Yes | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | Yes | n/a | - |
| Speaker Phone | Yes | Yes | - | Yes | Yes |
| Samsung SGH-X640 | Cricket Icon / AT&T Radiant Core | Samsung SPH-N270 (Matrix Phone) | Samsung Galaxy S21 | Siemens S66 / S65 / SP65 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Cricket Icon / AT&T Radiant Core | Samsung SPH-N270 (Matrix Phone) | Samsung Galaxy S21 | Siemens S66 / S65 / SP65 |
