Compare Phones
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| Phone | Palm Treo 650 (CDMA) | Coolpad Quattro 4G | Apple iPhone 11 Pro | TCL 20 Pro 5G | Nokia Lumia 521 / 520 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
5.8" diag. 19.5 : 9 |
6.7" diag. 20 : 9 |
4" diag. 5 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1125 x 2436 pixels (~463 ppi) AMOLED |
1080 x 2400 pixels (~395 ppi) AMOLED |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz | ? |
| Battery | ? | 1,600 mAh | 3,190 mAh | 4,500 mAh | 1,430 mAh |
| Processor | 312 MHz Intel XScale PXA270 | ? | Apple A13 Bionic | 2 GHz Qualcomm Snapdragon 750G | 1 GHz Qualcomm Snapdragon S4 MSM8270 |
| RAM | ? | ? | 4 GB | 6 GB | 512 MB |
| Storage | ? raw hardware | 512 MB | 64 GB * | 256 GB | 8 GB |
| Main Camera | Yes | 3 megapixel | 12 megapixel | 48 megapixel | 5 megapixel |
| Wide Camera | - | - | 12 megapixel | 16 megapixel | - |
| Tele Camera | - | - | 12 megapixel | - | - |
| Video Capture | QVGA (320 x 240) | VGA (640 x 480) | 4K UHD | 4K UHD | 720p HD |
| Front Camera | - | Yes | 12 megapixel | 32 megapixel | - |
| Weight |
6.3 oz (179g) |
3.31 oz (94g) |
6.63 oz (188g) |
6.82 oz (193g) |
4.39 oz (124g) |
| Dimensions |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
5.67" x 2.81" x 0.32" (144 x 71 x 8.1 mm) |
6.46" x 2.87" x 0.36" (164 x 73 x 9.1 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
| Platform / OS | Palm OS | Android | iOS | Android | Windows |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 29, 30, 34, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 7, 41, 66, 71, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
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| Data Technology | 1xRTT | LTE (Cat 3) | LTE (Cat 18) | NR (5G) | HSPA+ 21 |
| Features | |||||
| Barometer | - | - | Yes | Yes | - |
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
- |
| Flashlight | - | - | Yes | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
Yes IPX2 (drip) |
- |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | Yes | - |
| NFC | - | - | Yes | Yes | - |
| USB | - | Yes | Yes |
Yes USB Type C |
Yes |
| UWB | - | - | Yes | - | - |
| Wi-Fi | - | Yes |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes |
| Data & Network | |||||
| Dual-SIM | - | - | Yes | - | - |
| Input | |||||
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - | - |
| Touch Screen | Yes |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | Yes |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | - | Yes | Yes |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | Yes | - |
| Wireless Charging | - | - | Yes | Yes | - |
| Voice | |||||
| HD Voice | - | - | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Palm Treo 650 (CDMA) | Coolpad Quattro 4G | Apple iPhone 11 Pro | TCL 20 Pro 5G | Nokia Lumia 521 / 520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 650 (CDMA) | Coolpad Quattro 4G | Apple iPhone 11 Pro | TCL 20 Pro 5G | Nokia Lumia 521 / 520 |
