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| Phone | Palm Treo Pro (GSM) | LG K4 / Optimus Zone 3 / Rebel | LG G8 ThinQ | Samsung Galaxy S21 |
| Current U.S. Carriers | (none) | (none) | (none) | Verizon |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
4.5" diag. 16 : 9 |
6.1" diag. 19.5 : 9 |
6.2" diag. 20 : 9 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
1440 x 3120 pixels (~563 ppi) AMOLED |
1080 x 2400 pixels (~424 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 60 Hz | 120 Hz |
| Battery | 1,500 mAh | 1,940 mAh | 3,500 mAh | 4,000 mAh |
| Processor | 400 MHz MSM7201 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | 2.8 GHz Qualcomm Snapdragon 855 | 2.8 GHz Qualcomm Snapdragon 888 |
| RAM | ? | 1.5 GB | 6 GB | 8 GB |
| Storage | ? raw hardware | 16 GB * | 128 GB | 128 GB * |
| Main Camera | 2 megapixel | 5 megapixel | 12 megapixel | 12 megapixel |
| Wide Camera | - | - | 16 megapixel | 12 megapixel |
| Tele Camera | - | - | - | 64 megapixel |
| Video Capture | ? | 720p HD | 4K UHD | 8K |
| Front Camera | - | 2 megapixel | 8 megapixel | 10 megapixel |
| Weight |
4.69 oz (133g) |
3.99 oz (113g) |
5.96 oz (169g) |
6.03 oz (171g) |
| Dimensions |
4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm) |
5.19" x 2.62" x 0.35" (132 x 67 x 8.9 mm) |
5.98" x 2.83" x 0.33" (152 x 72 x 8.4 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
| Platform / OS | Windows Mobile Professional | Android | Android | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 12, 13, 14, 17, 25, 26, 29, 30, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 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 | HSDPA 3.6 | LTE (Cat 3) | LTE (Cat 20) | NR (5G) |
| Features | ||||
| Barometer | - | - | Yes | Yes |
| Fingerprint Reader | - | - |
Yes stand-alone |
Yes in-display (ultrasonic) |
| Flashlight | - | Yes | Yes | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| MirrorLink | - | - | Yes | - |
| NFC | - | - | Yes | Yes |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | Yes | - | - | - |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen |
Yes Resistive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - |
| Stereo Speakers | - | - | Yes | Yes |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Miracast | - | Yes | Yes | - |
| TV Output | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | Yes | Yes |
| Wireless Charging | - | - | Yes | Yes |
| Voice | ||||
| HD Voice | - | Yes * | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Palm Treo Pro (GSM) | LG K4 / Optimus Zone 3 / Rebel | LG G8 ThinQ | Samsung Galaxy S21 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo Pro (GSM) | LG K4 / Optimus Zone 3 / Rebel | LG G8 ThinQ | Samsung Galaxy S21 |
