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| Phone | ZTE Solar | Samsung SGH-X640 | Samsung Galaxy S21 | HP iPAQ Glisten |
| Current U.S. Carriers | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
? |
6.2" diag. 20 : 9 |
2.5" diag. 4 : 3 |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
320 x 240 pixels (~160 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | 120 Hz | ? |
| Battery | 2,070 mAh | 800 mAh | 4,000 mAh | 1,590 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 200 MSM8625 | ? | 2.8 GHz Qualcomm Snapdragon 888 | 528 MHz Qualcomm MSM7200a (ARM11) |
| RAM | 768 MB | ? | 8 GB | ? |
| Storage | 4 GB | ? raw hardware | 128 GB * | ? raw hardware |
| Main Camera | 5 megapixel | Yes | 12 megapixel | 3 megapixel |
| Wide Camera | - | - | 12 megapixel | - |
| Tele Camera | - | - | 64 megapixel | - |
| Video Capture | WVGA / 480p | - | 8K | QVGA (320 x 240) |
| Front Camera | - | - | 10 megapixel | - |
| Weight |
5.54 oz (157g) |
3 oz (85g) |
6.03 oz (171g) |
5.29 oz (150g) |
| Dimensions |
5.24" x 2.6" x 0.39" (133 x 66 x 9.9 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
4.44" x 2.47" x 0.53" (113 x 63 x 13.4 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | Windows Mobile Professional |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 1900 |
GSM: 900, 1800, 1900 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA 7.2 | GPRS | NR (5G) | HSDPA 3.6 |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes in-display (ultrasonic) |
- |
| Flashlight | - | - | Yes | - |
| GPS / Location | n/a | - | n/a | n/a |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| NFC | - | - | Yes | - |
| USB |
Yes Micro-USB |
- |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | n/a | n/a |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | - | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
Yes Resistive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | n/a | - | n/a | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | Yes |
| Music Player | n/a | - | n/a | n/a |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a |
| To-Do List | n/a | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a |
| Software | ||||
| Games | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| ZTE Solar | Samsung SGH-X640 | Samsung Galaxy S21 | HP iPAQ Glisten | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Solar | Samsung SGH-X640 | Samsung Galaxy S21 | HP iPAQ Glisten |
