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| Phone | Samsung SGH-X640 | Samsung SPH-A860 | BlackBerry 7750 | Samsung SCH-A610 | Google Pixel 3a XL |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
6" diag. 18 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 2160 pixels (~402 ppi) AMOLED |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | ? | ? | 1,300 mAh | 3,700 mAh |
| Processor | ? | ? | ? | ? | 2 GHz Qualcomm Snapdragon 670 |
| RAM | ? | ? | ? | ? | 4 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 64 GB |
| Main Camera | Yes | - | - | Yes | 12 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | - | 4K UHD |
| Front Camera | - | - | - | - | 8 megapixel |
| Weight |
3 oz (85g) |
3.4 oz (96g) |
5.01 oz (142g) |
4.23 oz (120g) |
5.89 oz (167g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.3" x 1.8" x 0.9" (84 x 46 x 22.9 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm) |
6.3" x 3" x 0.3" (160 x 76 x 7.6 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | BlackBerry OS | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
CDMA: 850, 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 |
| Data Technology | GPRS | 1xRTT | 1xRTT | 1xRTT | LTE (Cat 11) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | - | Yes |
| GPS / Location | - | Yes | n/a | Yes | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | - | - | - | - | Yes |
| Multiple Languages | Yes | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | - | - | - |
Yes Classic Audio |
| NFC | - | - | - | - | Yes |
| USB | - | - | Yes | - |
Yes USB Type C |
| Wi-Fi | - | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | Yes | n/a | Yes | n/a |
| Voice Dialing | - | Yes | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | Yes | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | - | n/a | Yes | n/a |
| WAP / Web Browser | Yes | Yes | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | - | - | - | - | Yes |
| Messaging | |||||
| Email Client | - | - | n/a | - | n/a |
| EMS / Picture Messaging | Yes | - | n/a | Yes | n/a |
| MMS | Yes | - | n/a | Yes | n/a |
| Text Messaging Templates | Yes | - | n/a | Yes | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Stereo Speakers | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | n/a |
| Calculator | Yes | Yes | n/a | Yes | n/a |
| Calendar | Yes | Yes | n/a | Yes | n/a |
| To-Do List | Yes | Yes | n/a | Yes | n/a |
| Voice Memo | Yes | Yes | n/a | Yes | n/a |
| Software | |||||
| BREW | - | - | n/a | Yes | n/a |
| Games | Yes | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | Yes | n/a | - | n/a |
| Voice | |||||
| Call Screening | - | - | - | - | Yes |
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | Yes | n/a | Yes | n/a |
| Speaker Phone | Yes | - | - | - | Yes |
| Samsung SGH-X640 | Samsung SPH-A860 | BlackBerry 7750 | Samsung SCH-A610 | Google Pixel 3a XL | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung SPH-A860 | BlackBerry 7750 | Samsung SCH-A610 | Google Pixel 3a XL |










