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| Phone | Samsung SGH-X640 | AT&T Vista | Ericsson T66 | Asus Smartphone for Snapdragon Insiders |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
5.5" diag. 18 : 9 |
? |
6.8" diag. 20.5 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
? |
1080 x 2448 pixels (~395 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | ? | 144 Hz |
| Battery | 800 mAh | 2,450 mAh | ? | 4,000 mAh |
| Processor | ? | 2 GHz MediaTek Helio A22 (MT6761V) | ? | 2.8 GHz Qualcomm Snapdragon 888 |
| RAM | ? | 3 GB | ? | 16 GB |
| Storage | ? raw hardware | 32 GB | ? raw hardware | 512 GB |
| Main Camera | Yes | 8 megapixel | - | 64 megapixel |
| Wide Camera | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | 8 megapixel |
| Video Capture | - | 1080p HD | - | 8K |
| Front Camera | - | 5 megapixel | - | 24 megapixel |
| Weight |
3 oz (85g) |
5.51 oz (156g) |
2.08 oz (59g) |
7.41 oz (210g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
6.82" x 3.04" x 0.38" (173 x 77 x 9.6 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
GSM: 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 13, 14, 18, 20, 25, 26, 28, 30, 38, 40, 41, 46, 48, 66, 71, 77-C, 78, 257, 258, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 3, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | LTE (Cat 4) | - | NR (5G) |
| Features | ||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | Yes | - | Yes |
| 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 |
| Alerts | ||||
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | - | Yes |
| NFC | - | - | - | Yes |
| USB | - |
Yes USB Type C |
- |
Yes USB Type C |
| Wi-Fi | - | Yes | - |
Yes 6E (802.11 a,ac,ax,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | - | n/a |
| Ringer ID | Yes | n/a | - | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Data & Network | ||||
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | - | - |
| Messaging | ||||
| EMS / Picture Messaging | Yes | n/a | Yes | n/a |
| MMS | Yes | n/a | - | 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 | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | Yes | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | - | n/a |
| Software | ||||
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | - | n/a |
| Voice | ||||
| HD Voice | - | Yes | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | - | n/a |
| Speaker Phone | Yes | Yes | - | Yes |
| Samsung SGH-X640 | AT&T Vista | Ericsson T66 | Asus Smartphone for Snapdragon Insiders | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | AT&T Vista | Ericsson T66 | Asus Smartphone for Snapdragon Insiders |
