Compare Phones
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| Phone | Samsung SGH-X640 | BlackBerry Q10 (GSM) | LG K8 (2018) / Zone 4 / Tribute Dynasty / Tribute Empire / K8s | Ericsson T66 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.1" diag. 1 : 1 |
5" diag. 16 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
720 x 720 pixels (~328 ppi) AMOLED |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
? |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | 2,100 mAh | 2,500 mAh | ? |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon S4 | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | ? |
| RAM | ? | 2 GB | 2 GB | ? |
| Storage | ? raw hardware | 16 GB | 16 GB | ? raw hardware |
| Main Camera | Yes | 8 megapixel | 8 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 1080p HD | 1080p HD | - |
| Front Camera | - | 2 megapixel | 5 megapixel | - |
| Weight |
3 oz (85g) |
4.9 oz (139g) |
4.94 oz (140g) |
2.08 oz (59g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.71" x 2.63" x 0.41" (120 x 67 x 10.3 mm) |
5.7" x 2.84" x 0.32" (145 x 72 x 8.1 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | BlackBerry 10 | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
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| Data Technology | GPRS | LTE (Cat 3) | LTE (Cat 4) | - |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | - | n/a | n/a | - |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | - |
| NFC | - | Yes | - | - |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
- |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | - |
| Ringer ID | Yes | n/a | n/a | - |
| Voice Dialing | - | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | n/a | - |
| EMS / Picture Messaging | Yes | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | - |
| MMS | Yes | n/a | n/a | - |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | - | n/a | n/a | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | - |
| Software | ||||
| Games | Yes | n/a | n/a | 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 | - |
| Samsung SGH-X640 | BlackBerry Q10 (GSM) | LG K8 (2018) / Zone 4 / Tribute Dynasty / Tribute Empire / K8s | Ericsson T66 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | BlackBerry Q10 (GSM) | LG K8 (2018) / Zone 4 / Tribute Dynasty / Tribute Empire / K8s | Ericsson T66 |
