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| Phone | Samsung SGH-X640 | Samsung Galaxy Z Flip 5G | AT&T Vista | HTC myTouch 3G / Magic |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
6.7" diag. 22 : 9 |
5.5" diag. 18 : 9 |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 2636 pixels (~425 ppi) AMOLED |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | 800 mAh | 3,300 mAh | 2,450 mAh | 1,340 mAh |
| Processor | ? | 3.1 GHz Qualcomm Snapdragon 865+ | 2 GHz MediaTek Helio A22 (MT6761V) | 528 MHz Qualcomm MSM-7200a |
| RAM | ? | 8 GB | 3 GB | ? |
| Storage | ? raw hardware | 256 GB | 32 GB | ? raw hardware |
| Main Camera | Yes | 12 megapixel | 8 megapixel | 3 megapixel |
| Wide Camera | - | 12 megapixel | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 4K UHD | 1080p HD | CIF (352 x 288) |
| Front Camera | - | 10 megapixel | 5 megapixel | - |
| Weight |
3 oz (85g) |
6.46 oz (183g) |
5.51 oz (156g) |
4.1 oz (116g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.44" x 2.9" x 0.68" (87 x 74 x 17.3 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
4.45" x 2.19" x 0.58" (113 x 56 x 14.7 mm) |
| Form Factor | Clamshell | Foldable | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
5G: 2, 5, 25, 41, 66, 71 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 29, 30, 38, 41, 48, 66, 71 WCDMA: 2, 3, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
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| Data Technology | GPRS | NR (5G) | LTE (Cat 4) | HSPA 7.2 |
| Features | ||||
| Barometer | - | Yes | - | - |
| Fingerprint Reader | - |
Yes stand-alone |
- | - |
| Flashlight | - | Yes | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - | - |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| MirrorLink | - | Yes | - | - |
| NFC | - | Yes | - | - |
| USB | - |
Yes USB Type C |
Yes USB Type C |
Yes Mini-USB |
| Wi-Fi | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | n/a |
| Ringer ID | Yes | n/a | n/a | n/a |
| Customization | ||||
| Changeable Body Plates | - | - | - | Yes |
| Custom Graphics | Yes | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a |
| Data & Network | ||||
| WAP / Web Browser | Yes | n/a | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| EMS / Picture Messaging | Yes | n/a | n/a | n/a |
| MMS | Yes | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes * |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Wireless Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a |
| To-Do List | Yes | n/a | n/a | n/a |
| Voice Memo | Yes | n/a | n/a | n/a |
| Software | ||||
| Games | Yes | n/a | n/a | n/a |
| Java (J2ME) | Yes | n/a | n/a | n/a |
| Voice | ||||
| HD Voice | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SGH-X640 | Samsung Galaxy Z Flip 5G | AT&T Vista | HTC myTouch 3G / Magic | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung Galaxy Z Flip 5G | AT&T Vista | HTC myTouch 3G / Magic |
