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| Phone | Palm Treo 680 | Sony Xperia Pro | Nokia Lumia 521 / 520 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
6.5" diag. 21 : 9 |
4" diag. 5 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
1644 x 3840 pixels (~643 ppi) AMOLED |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | ? | 4,000 mAh | 1,430 mAh |
| Processor | ? | Qualcomm Snapdragon 865 | 1 GHz Qualcomm Snapdragon S4 MSM8270 |
| RAM | ? | 12 GB | 512 MB |
| Storage | ? raw hardware | 512 GB | 8 GB |
| Main Camera | Yes | 12 megapixel | 5 megapixel |
| Wide Camera | - | 12 megapixel | - |
| Tele Camera | - | 12 megapixel | - |
| Video Capture | CIF (352 x 288) | 4K UHD | 720p HD |
| Front Camera | - | 8 megapixel | - |
| Weight |
5.5 oz (156g) |
7.94 oz (225g) |
4.39 oz (124g) |
| Dimensions |
4.4" x 2.3" x 0.8" (112 x 58 x 20.3 mm) |
6.7" x 3" x 0.4" (170 x 76 x 10.2 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
| Platform / OS | Palm OS | Android | Windows |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 66, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EDGE | NR (5G) | HSPA+ 21 |
| Features | |||
| Fingerprint Reader | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - |
| NFC | - | Yes | - |
| USB | Yes |
Yes USB Type C |
Yes |
| Wi-Fi | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes |
| Data & Network | |||
| Dual-SIM | - | Yes | - |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - |
| Touch Screen | Yes |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| TV Output | - | Yes | - |
| Power | |||
| Fast Charging | - | Yes | - |
| Voice | |||
| HD Voice | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| Palm Treo 680 | Sony Xperia Pro | Nokia Lumia 521 / 520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 680 | Sony Xperia Pro | Nokia Lumia 521 / 520 |
