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| Phone | Samsung SGH-X640 | Microsoft Lumia 950 | Samsung Galaxy S6 (GSM) | Samsung Galaxy S22 | ZTE C88 |
| Current U.S. Carriers | (none) | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5.2" diag. 16 : 9 |
5.1" diag. 16 : 9 |
6.1" diag. 19.5 : 9 |
2" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
1440 x 2560 pixels (~565 ppi) AMOLED |
1440 x 2560 pixels (~576 ppi) AMOLED |
1080 x 2340 pixels (~422 ppi) AMOLED |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 120 Hz | ? |
| Battery | 800 mAh | 3,000 mAh | 2,550 mAh | 3,700 mAh | 800 mAh |
| Processor | ? | 1.8 GHz Qualcomm Snapdragon 808 (MSM8992) | 2.1 GHz Samsung Exynos 7420 | Snapdragon 8 Gen 1 | ? |
| RAM | ? | 3 GB | 3 GB | 8 GB | ? |
| Storage | ? raw hardware | 32 GB | 32 GB * | 128 GB * | ? raw hardware |
| Main Camera | Yes | 20 megapixel | 16 megapixel | 50 megapixel | Yes |
| Wide Camera | - | - | - | 12 megapixel | - |
| Tele Camera | - | - | - | 10 megapixel | - |
| Video Capture | - | 4K UHD | 4K UHD | 8K | - |
| Front Camera | - | 5 megapixel | 5 megapixel | 10 megapixel | - |
| Weight |
3 oz (85g) |
5.29 oz (150g) |
4.87 oz (138g) |
5.93 oz (168g) |
3.46 oz (98g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.71" x 2.88" x 0.32" (145 x 73 x 8.2 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
5.75" x 2.78" x 0.3" (146 x 71 x 7.6 mm) |
3.85" x 1.92" x 0.7" (98 x 49 x 17.8 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Windows | Android | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 40 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 7, 12, 25, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 257, 258, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | GPRS | LTE (Cat 6) | LTE (Cat 6) | NR (5G) | 1xRTT |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | Yes |
Yes in-display (ultrasonic) |
- |
| Flashlight | - | Yes | Yes | Yes | - |
| GPS / Location | - | n/a | n/a | n/a | Yes |
| VR-ready | - | - | Yes | - | - |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | Yes | - | - |
| MirrorLink | - | - | Yes | - | - |
| Mobile Hotspot | - | n/a | n/a | n/a | - |
| NFC | - | Yes | Yes | Yes | - |
| USB | - |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | n/a | - |
| Ringer ID | Yes | n/a | n/a | n/a | Yes |
| Voice Dialing | - | n/a | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | n/a | Yes |
| Data & Network | |||||
| WAP / Web Browser | Yes | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | Yes | - | - | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | Yes |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a | - |
| Instant Messaging | - | n/a | n/a | n/a | Yes |
| MMS | Yes | n/a | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - | - |
| Music Player | - | n/a | n/a | n/a | - |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| DLNA | - | Yes | Yes | - | - |
| Miracast | - | Yes | Yes | - | - |
| TV Output | - | Yes | Yes | Yes | - |
| Power | |||||
| Fast Charging | - | Yes | Yes | Yes | - |
| Wireless Charging | - | Yes | Yes | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | n/a | - |
| Voice Memo | Yes | n/a | n/a | n/a | Yes |
| Software | |||||
| BREW | - | n/a | n/a | n/a | Yes |
| Games | Yes | n/a | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | n/a | - |
| Voice | |||||
| HD Voice | - | Yes | Yes | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Microsoft Lumia 950 | Samsung Galaxy S6 (GSM) | Samsung Galaxy S22 | ZTE C88 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Microsoft Lumia 950 | Samsung Galaxy S6 (GSM) | Samsung Galaxy S22 | ZTE C88 |
