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| Phone | Samsung SGH-X640 | ZTE Warp Elite | HP iPAQ Glisten | Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo | T-Mobile REVVL 7 5G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
Metro T-Mobile |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5.5" diag. 16 : 9 |
2.5" diag. 4 : 3 |
5.5" diag. 16 : 9 |
6.6" diag. 20 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~160 ppi) AMOLED |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
1080 x 2408 pixels (~401 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | 120 Hz |
| Battery | 800 mAh | 3,000 mAh | 1,590 mAh | 3,300 mAh | 5,000 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon 410 (MSM8916) | 528 MHz Qualcomm MSM7200a (ARM11) | 1.6 GHz Samsung Exynos 7870 | 2.2 GHz Snapdragon 6 Gen 1 |
| RAM | ? | 2 GB | ? | 2 GB | 6 GB |
| Storage | ? raw hardware | 16 GB | ? raw hardware | 16 GB * | 128 GB |
| Main Camera | Yes | 13 megapixel | 3 megapixel | 8 megapixel | 50 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | QVGA (320 x 240) | 1080p HD | 2K / Quad HD |
| Front Camera | - | 5 megapixel | - | Yes | 8 megapixel |
| Weight |
3 oz (85g) |
5.31 oz (151g) |
5.29 oz (150g) |
5.8 oz (164g) |
7.27 oz (206g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
6.23" x 3.06" x 0.33" (158 x 78 x 8.4 mm) |
4.44" x 2.47" x 0.53" (113 x 63 x 13.4 mm) |
5.96" x 3.01" x 0.34" (151 x 76 x 8.6 mm) |
6.59" x 3.05" x 0.36" (167 x 77 x 9.1 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Windows Mobile Professional | Android | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 25, 26, 41 CDMA: 800, 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 25, 41, 66, 71, 77-A, 77-C 4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | GPRS | LTE (Cat 4) | HSDPA 3.6 | LTE (Cat 6) | NR (5G) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | Yes | - | Yes | Yes |
| GPS / Location | - | n/a | n/a | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes Hearing Aid Compatible (HAC-2019 / M3, T3) |
| Multiple Languages | Yes | n/a | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | n/a | n/a |
| NFC | - | - | - | - | Yes |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | n/a | n/a |
| Ringer ID | Yes | n/a | n/a | n/a | n/a |
| Voice Dialing | - | n/a | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | n/a |
| Dual-SIM | - | - | - | - | Yes |
| WAP / Web Browser | Yes | n/a | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Stylus | - | - | Yes | - | - |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | - |
Yes Capacitive |
Yes Resistive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a | n/a |
| MMS | Yes | n/a | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a | n/a |
| Music | |||||
| FM Radio | - | Yes | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | Yes |
| Music Player | - | n/a | n/a | n/a | n/a |
| Stereo Speakers | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | Yes | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a | n/a |
| To-Do List | Yes | n/a | n/a | n/a | n/a |
| Voice Memo | Yes | n/a | n/a | n/a | n/a |
| Software | |||||
| Games | Yes | n/a | n/a | n/a | n/a |
| Java (J2ME) | Yes | n/a | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | Yes | - | Yes | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | ZTE Warp Elite | HP iPAQ Glisten | Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo | T-Mobile REVVL 7 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | ZTE Warp Elite | HP iPAQ Glisten | Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo | T-Mobile REVVL 7 5G |
