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| Phone | Samsung SGH-X660 | Samsung Galaxy S6 (GSM) | Nokia 2660 | AT&T Vista | Samsung Galaxy Z Flip6 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
AT&T Boost Consumer Cellular Spectrum Mobile T-Mobile US Cellular Verizon Xfinity Mobile |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5.1" diag. 16 : 9 |
? |
5.5" diag. 18 : 9 |
6.7" diag. 22 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
128 x 160 pixels LCD (STN) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
1080 x 2640 pixels (~426 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | 120 Hz |
| Battery | 800 mAh | 2,550 mAh | 700 mAh | 2,450 mAh | 4,000 mAh |
| Processor | ? | 2.1 GHz Samsung Exynos 7420 | ? | 2 GHz MediaTek Helio A22 (MT6761V) | 3.4 GHz Snapdragon 8 Gen 3 for Galaxy |
| RAM | ? | 3 GB | ? | 3 GB | 12 GB |
| Storage | ? raw hardware | 32 GB * | ? raw hardware | 32 GB | 256 GB * |
| Main Camera | Yes | 16 megapixel | - | 8 megapixel | 50 megapixel |
| Wide Camera | - | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 4K UHD | - | 1080p HD | 4K UHD |
| Front Camera | - | 5 megapixel | - | 5 megapixel | 10 megapixel |
| Weight |
2.75 oz (78g) |
4.87 oz (138g) |
2.79 oz (79g) |
5.51 oz (156g) |
6.6 oz (187g) |
| Dimensions |
3.52" x 1.77" x 0.85" (89 x 45 x 21.6 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
3.43" x 1.76" x 0.81" (87 x 45 x 20.6 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
3.35" x 2.83" x 0.59" (85 x 72 x 14.9 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab | Foldable |
| Platform / OS | (proprietary) | Android | (proprietary) | Android | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 41, 48, 66, 70, 71, 77-A, 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, 30, 38, 39, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
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| Data Technology | GPRS | LTE (Cat 6) | EDGE | LTE (Cat 4) | NR (5G) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | Yes | - | - |
Yes stand-alone |
| Flashlight | - | Yes | - | Yes | Yes |
| VR-ready | - | Yes | - | - | - |
| Water-Resistant | - | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||||
| Hearing Aid Compatible | - | Yes | - | Yes | Yes |
| Multiple Languages | Yes | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | Yes | - | Yes | - | Yes |
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | Yes | - | - | - |
| MirrorLink | - | Yes | - | - | - |
| NFC | - | Yes | - | - | Yes |
| USB | - |
Yes Micro-USB |
- |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
- | Yes |
Yes 6E (802.11 a,ac,ax,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | - | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a | n/a |
| Real-Music Ringers | Yes | n/a | Yes | n/a | n/a |
| Data & Network | |||||
| Dual-SIM | - | - | - | - | Yes |
| WAP / Web Browser | Yes | n/a | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | - | Yes | Yes |
| Touch Screen | - | Yes | - | Yes | Yes |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | - |
| Messaging | |||||
| Email Client | - | n/a | Yes | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | Yes | n/a | n/a |
| Instant Messaging | - | n/a | Yes * | n/a | n/a |
| MMS | Yes | n/a | Yes | n/a | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | - | Yes | - |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| Miracast | - | Yes | - | - | - |
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | Yes | - | - | Yes |
| Wireless Charging | - | Yes | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | n/a |
| Calculator | Yes | n/a | Yes | n/a | n/a |
| Calendar | Yes | n/a | Yes | n/a | n/a |
| To-Do List | Yes | n/a | Yes | n/a | n/a |
| Voice Memo | Yes | n/a | Yes | n/a | n/a |
| Software | |||||
| Games | Yes | n/a | Yes | n/a | n/a |
| Java (J2ME) | Yes | n/a | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | - | Yes | - | Yes | Yes |
| Headset Jack (2.5 mm) | - | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X660 | Samsung Galaxy S6 (GSM) | Nokia 2660 | AT&T Vista | Samsung Galaxy Z Flip6 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X660 | Samsung Galaxy S6 (GSM) | Nokia 2660 | AT&T Vista | Samsung Galaxy Z Flip6 |
