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| Phone | Samsung SGH-X640 | Samsung Galaxy S6 edge+ (CDMA) | Google Pixel 5 | ZTE Blade Max 3 / Max Blue |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
5.7" diag. 16 : 9 |
6" diag. 19.5 : 9 |
6" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
1440 x 2560 pixels (~515 ppi) AMOLED |
1080 x 2340 pixels (~430 ppi) AMOLED |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 90 Hz | 60 Hz |
| Battery | 800 mAh | 3,000 mAh | 4,080 mAh | 4,000 mAh |
| Processor | ? | 2.1 GHz Samsung Exynos 7420 | 2.4 GHz Qualcomm Snapdragon 765G | 2 GHz Qualcomm Snapdragon 625 (MSM8953) |
| RAM | ? | 4 GB | 8 GB | 2 GB |
| Storage | ? raw hardware | 32 GB * | 128 GB | 16 GB |
| Main Camera | Yes | 16 megapixel | 12 megapixel | 13 megapixel |
| Wide Camera | - | - | 16 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 4K UHD | 4K UHD | 4K UHD |
| Front Camera | - | 5 megapixel | 8 megapixel | 5 megapixel |
| Weight |
3 oz (85g) |
5.4 oz (153g) |
5.33 oz (151g) |
6.34 oz (180g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
6.08" x 2.98" x 0.27" (154 x 76 x 6.9 mm) |
5.7" x 2.8" x 0.3" (145 x 71 x 7.6 mm) |
6.49" x 3.3" x 0.35" (165 x 84 x 8.9 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 25, 28, 41, 66, 71, 77-C, 78, 258, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 13, 25 WCDMA: 2, 4, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | GPRS | LTE (Cat 6) | NR (5G) | LTE (Cat 4) |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | Yes |
Yes stand-alone |
Yes stand-alone |
| Flashlight | - | Yes | Yes | Yes |
| VR-ready | - | Yes | - | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | 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 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | n/a |
| Ringer ID | Yes | n/a | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a |
| Data & Network | ||||
| Dual-SIM | - | - | Yes | - |
| 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 |
| 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 |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | Yes | Yes | Yes |
| Wireless Charging | - | Yes | 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 | ||||
| Call Screening | - | - | Yes | - |
| HD Voice | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Samsung Galaxy S6 edge+ (CDMA) | Google Pixel 5 | ZTE Blade Max 3 / Max Blue | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung Galaxy S6 edge+ (CDMA) | Google Pixel 5 | ZTE Blade Max 3 / Max Blue |
