Compare Phones
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| Phone | Samsung Galaxy Ring / Prevail 2 | Nokia Lumia 521 / 520 | Palm Treo 600 (GSM) | Samsung Galaxy S21 |
| Current U.S. Carriers | (none) | (none) | (none) | Verizon |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
4" diag. 5 : 3 |
? |
6.2" diag. 20 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
160 x 160 pixels LCD (Color) |
1080 x 2400 pixels (~424 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | ? | 120 Hz |
| Battery | 1,750 mAh | 1,430 mAh | ? | 4,000 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | 1 GHz Qualcomm Snapdragon S4 MSM8270 | ? | 2.8 GHz Qualcomm Snapdragon 888 |
| RAM | 1 GB | 512 MB | ? | 8 GB |
| Storage | 4 GB | 8 GB | ? raw hardware | 128 GB * |
| Main Camera | 5 megapixel | 5 megapixel | Yes | 12 megapixel |
| Wide Camera | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | 64 megapixel |
| Video Capture | 720p HD | 720p HD | - | 8K |
| Front Camera | 1 megapixel | - | - | 10 megapixel |
| Weight |
3.4 oz (96g) |
4.39 oz (124g) |
5.92 oz (168g) |
6.03 oz (171g) |
| Dimensions |
4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
| Platform / OS | Android | Windows | Palm OS | Android |
| Network Bands |
CDMA: 800, 850, 1900 |
GSM: 850, 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 |
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| Data Technology | EVDO rA | HSPA+ 21 | GPRS | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes in-display (ultrasonic) |
| Flashlight | - | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Infrared (IR) | - | - | Yes | - |
| NFC | - | - | - | Yes |
| USB | Yes | Yes | Yes |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
Yes | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| TV Output | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | - | - | Yes |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Galaxy Ring / Prevail 2 | Nokia Lumia 521 / 520 | Palm Treo 600 (GSM) | Samsung Galaxy S21 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy Ring / Prevail 2 | Nokia Lumia 521 / 520 | Palm Treo 600 (GSM) | Samsung Galaxy S21 |
