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| Phone | Samsung SGH-X640 | Nokia 3555 | Motorola one 5G ace | Google Pixel 3a XL | Motorola KRZR K1m |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
1.8" diag. 4 : 3 |
6.7" diag. 20 : 9 |
6" diag. 18 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels (~114 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~393 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~402 ppi) AMOLED |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | ? |
| Battery | 800 mAh | ? | 5,000 mAh | 3,700 mAh | 880 mAh |
| Processor | ? | ? | Qualcomm Snapdragon 750G | 2 GHz Qualcomm Snapdragon 670 | ? |
| RAM | ? | ? | 4 GB * | 4 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 64 GB * | 64 GB | ? raw hardware |
| Main Camera | Yes | Yes | 12 megapixel | 12 megapixel | 1 megapixel |
| Wide Camera | - | - | 8 megapixel | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | 4K UHD | 4K UHD | ? |
| Front Camera | - | - | 16 megapixel | 8 megapixel | - |
| Weight |
3 oz (85g) |
3.32 oz (94g) |
7.5 oz (213g) |
5.89 oz (167g) |
3.63 oz (103g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.94" x 1.75" x 0.83" (100 x 44 x 21 mm) |
6.54" x 2.99" x 0.4" (166 x 76 x 10 mm) |
6.3" x 3" x 0.3" (160 x 76 x 7.6 mm) |
4.06" x 1.73" x 0.67" (103 x 44 x 17 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
5G: 2, 5, 25, 41, 66, 71, 77-C 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 29, 30, 38, 39, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
|
| Data Technology | GPRS | WCDMA (UMTS) | NR (5G) | LTE (Cat 11) | EVDO r0 |
| Features | |||||
| Barometer | - | - | Yes | Yes | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | Yes | - |
| GPS / Location | - | - | n/a | n/a | Yes |
| Water-Resistant | - | - |
Yes IPX4 (splash) |
- | - |
| Accessibility | |||||
| Hearing Aid Compatible | - | Yes * | Yes | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | Yes |
| Ringer Profiles | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| NFC | - | - | Yes | Yes | - |
| USB | - | Yes |
Yes USB Type C |
Yes USB Type C |
Yes Mini-USB |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | Yes | n/a | n/a | Yes |
| Voice Dialing | - | Yes | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | Yes | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | - | - | n/a | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| EMS / Picture Messaging | Yes | - | n/a | n/a | Yes |
| Instant Messaging | - | Yes * | n/a | n/a | Yes * |
| MMS | Yes | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | Yes | - |
| Music Player | - | Yes | n/a | n/a | Yes |
| Stereo Speakers | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | Yes | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | Yes |
| Calculator | Yes | Yes | n/a | n/a | Yes |
| Calendar | Yes | Yes | n/a | n/a | Yes |
| To-Do List | Yes | Yes | n/a | n/a | - |
| Voice Memo | Yes | Yes | n/a | n/a | Yes |
| Software | |||||
| BREW | - | - | n/a | n/a | Yes * |
| Games | Yes | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | Yes | n/a | n/a | Yes * |
| Voice | |||||
| Call Screening | - | - | - | Yes | - |
| HD Voice | - | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | Yes | Yes | n/a | n/a | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Nokia 3555 | Motorola one 5G ace | Google Pixel 3a XL | Motorola KRZR K1m | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Nokia 3555 | Motorola one 5G ace | Google Pixel 3a XL | Motorola KRZR K1m |
