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| Phone | HTC ThunderBolt | Samsung Rugby 4 | BlackBerry 6510 | Microsoft Surface Duo 2 | Samsung Galaxy S21 FE 5G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | Verizon |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4.3" diag. 5 : 3 |
2.4" diag. 4 : 3 |
? |
8.3" diag. 4 : 3 |
6.4" diag. 19.5 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
160 x 100 pixels |
2688 x 1892 pixels (~396 ppi) AMOLED |
1080 x 2340 pixels (~403 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | ? | 90 Hz | 120 Hz |
| Battery | 1,400 mAh | 1,300 mAh | 900 mAh | 4,449 mAh | 4,500 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S2 MSM8655 | Intel XMM6230 | ? | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 888 |
| RAM | 768 MB | 128 MB | ? | 8 GB | 6 GB * |
| Storage | 8 GB | 256 MB | ? raw hardware | 128 GB * | 128 GB * |
| Main Camera | 8 megapixel | 3 megapixel | - | 12 megapixel | 12 megapixel |
| Wide Camera | - | - | - | 16 megapixel | 12 megapixel |
| Tele Camera | - | - | - | 12 megapixel | 8 megapixel |
| Video Capture | 720p HD | QVGA (320 x 240) | - | 4K UHD | 4K UHD |
| Front Camera | 1 megapixel | - | - | 12 megapixel | 32 megapixel |
| Weight |
5.78 oz (164g) |
5.22 oz (148g) |
5.64 oz (160g) |
10.02 oz (284g) |
6.24 oz (177g) |
| Dimensions |
4.8" x 2.6" x 0.52" (122 x 66 x 13.2 mm) |
4.25" x 2.17" x 0.85" (108 x 55 x 21.6 mm) |
4.53" x 2.95" x 0.95" (115 x 75 x 24.1 mm) |
5.72" x 3.63" x 0.43" (145 x 92 x 11 mm) |
6.13" x 2.93" x 0.31" (156 x 75 x 7.9 mm) |
| Form Factor | Slab | Clamshell | Slab | Unique | Slab |
| Platform / OS | Android | (proprietary) | BlackBerry OS | Android | Android |
| Network Bands |
4G LTE: 13 CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
iDEN: 800 |
5G: 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77-C, 78, 257, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 48, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 3) | HSPA+ 21 | - | NR (5G) | NR (5G) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
Yes in-display (optical) |
| Flashlight | Yes | - | - | Yes | Yes |
| GPS / Location | n/a | Yes | n/a | n/a | n/a |
| Ruggedized | - | Yes | - | - | - |
| Water-Resistant | - |
Yes IPX7 (snorkeling) |
- | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||||
| Adjustable Text Size | n/a | Yes | n/a | n/a | n/a |
| Hearing Aid Compatible | Yes |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | - | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Ringer Profiles | - | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | - | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a | n/a | n/a |
| NFC | - | - | - | Yes | Yes |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Mini-USB |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | |||||
| Picture ID | n/a | Yes | n/a | n/a | n/a |
| Ringer ID | n/a | Yes | n/a | n/a | n/a |
| Voice Dialing | n/a | Yes | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | Yes | n/a | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a | n/a |
| Real-Music Ringers | n/a | Yes | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | - | n/a | n/a | n/a |
| Dual-SIM | - | - | - | Yes | - |
| WAP / Web Browser | n/a | Yes | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | - | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | - | - |
| Messaging | |||||
| Email Client | n/a | Yes | n/a | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a | n/a |
| Music | |||||
| FM Radio | Yes | - | - | - | - |
| Headphone Jack (3.5mm) | Yes | - | - | - | - |
| Music Player | n/a | Yes | n/a | n/a | n/a |
| Stereo Speakers | - | - | - | Yes | Yes |
| Photo & Video | |||||
| DLNA | Yes | - | - | - | - |
| Miracast | - | - | - | Yes | - |
| TV Output | - | - | - | Yes | Yes |
| Video Calling | n/a | - | n/a | n/a | n/a |
| Power | |||||
| Fast Charging | - | - | - | Yes | Yes |
| Wireless Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a | n/a |
| To-Do List | n/a | Yes | n/a | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a | n/a |
| Software | |||||
| Games | n/a | Yes | n/a | n/a | n/a |
| Java (J2ME) | n/a | Yes | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | Yes | Yes |
| Headset Jack (2.5 mm) | n/a | - | n/a | n/a | n/a |
| Push-To-Talk | - | Yes | Yes | - | - |
| Speaker Phone | Yes | Yes | - | Yes | Yes |
| HTC ThunderBolt | Samsung Rugby 4 | BlackBerry 6510 | Microsoft Surface Duo 2 | Samsung Galaxy S21 FE 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HTC ThunderBolt | Samsung Rugby 4 | BlackBerry 6510 | Microsoft Surface Duo 2 | Samsung Galaxy S21 FE 5G |
