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| Phone | Samsung SPH-A640 | Ericsson T66 | Sony Xperia Z2 | Samsung Galaxy S6 (GSM) | Siemens SL55 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
5.2" diag. 16 : 9 |
5.1" diag. 16 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
? |
1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
101 x 80 pixels LCD (STN) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | ? |
| Battery | 800 mAh | ? | 3,200 mAh | 2,550 mAh | 500 mAh |
| Processor | ? | ? | 2.3 GHz Qualcomm Snapdragon 801 MSM8974AB | 2.1 GHz Samsung Exynos 7420 | ? |
| RAM | ? | ? | 3 GB | 3 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB | 32 GB * | ? raw hardware |
| Main Camera | Yes | - | 20 megapixel | 16 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | 4K UHD | 4K UHD | - |
| Front Camera | - | - | 2 megapixel | 5 megapixel | - |
| Weight |
3.2 oz (91g) |
2.08 oz (59g) |
5.75 oz (163g) |
4.87 oz (138g) |
2.79 oz (79g) |
| Dimensions |
3.6" x 1.8" x 0.9" (91 x 46 x 22.9 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
5.78" x 2.89" x 0.32" (147 x 73 x 8.2 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slide |
| Platform / OS | (proprietary) | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
|
| Data Technology | 1xRTT | - | LTE (Cat 4) | LTE (Cat 6) | GPRS |
| Features | |||||
| Fingerprint Reader | - | - | - | Yes | - |
| Flashlight | - | - | - | Yes | - |
| GPS / Location | Yes | - | n/a | n/a | - |
| Ruggedized | - | - | Yes | - | - |
| VR-ready | - | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||||
| Adjustable Text Size | - | - | n/a | n/a | - |
| Hearing Aid Compatible | Yes | - | - | Yes | - |
| Multiple Languages | Yes | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | - |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
- |
Yes Classic Audio |
Yes Classic Audio |
- |
| Infrared (IR) | - | - | - | Yes | Yes |
| MirrorLink | - | - | - | Yes | - |
| Mobile Hotspot | - | - | n/a | n/a | - |
| NFC | - | - | Yes | Yes | - |
| USB | Yes | - |
Yes Micro-USB |
Yes Micro-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 | - | n/a | n/a | Yes |
| Ringer ID | 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 | - | - | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | Yes | - | 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 | - | - |
| Messaging | |||||
| Email Client | - | - | n/a | n/a | Yes |
| EMS / Picture Messaging | - | Yes | n/a | n/a | Yes |
| Instant Messaging | - | - | n/a | n/a | - |
| MMS | - | - | 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 | - | - | n/a | n/a | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | Yes | - |
| Miracast | - | - | Yes | Yes | - |
| TV Output | - | - | Yes | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | 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 | Yes |
| Voice Memo | Yes | - | n/a | n/a | Yes |
| Software | |||||
| Games | Yes | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | - | n/a | n/a | Yes |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | - | n/a | n/a | - |
| Push-To-Talk | Yes | - | - | - | - |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| Samsung SPH-A640 | Ericsson T66 | Sony Xperia Z2 | Samsung Galaxy S6 (GSM) | Siemens SL55 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-A640 | Ericsson T66 | Sony Xperia Z2 | Samsung Galaxy S6 (GSM) | Siemens SL55 |
