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| Phone | Nokia N81 | Microsoft Surface Duo 2 | ZTE Axon 9 Pro |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
8.3" diag. 4 : 3 |
6.2" diag. 18.5 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
2688 x 1892 pixels (~396 ppi) AMOLED |
1080 x 2248 pixels (~402 ppi) AMOLED |
| Display Refresh | ? | 90 Hz | 60 Hz |
| Battery | 1,050 mAh | 4,449 mAh | 4,000 mAh |
| Processor | 369 MHz ARM 11 | Qualcomm Snapdragon 888 | 2.7 GHz Qualcomm Snapdragon 845 |
| RAM | ? | 8 GB | 6 GB |
| Storage | 8 GB * | 128 GB * | 128 GB |
| Main Camera | 2 megapixel | 12 megapixel | 12 megapixel |
| Wide Camera | - | 16 megapixel | 20 megapixel |
| Tele Camera | - | 12 megapixel | - |
| Video Capture | VGA (640 x 480) | 4K UHD | 4K UHD |
| Front Camera | - | 12 megapixel | 20 megapixel |
| Weight |
4.94 oz (140g) |
10.02 oz (284g) |
2.79 oz (79g) |
| Dimensions |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
5.72" x 3.63" x 0.43" (145 x 92 x 11 mm) |
6.16" x 2.93" x 0.31" (156 x 75 x 7.9 mm) |
| Platform / OS | S60 (Symbian) | Android | Android |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
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 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | EDGE | NR (5G) | LTE (Cat 15) |
| Features | |||
| Fingerprint Reader | - |
Yes stand-alone |
Yes stand-alone |
| Flashlight | - | Yes | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| TTY/TDD (Digital) | - | - | Yes |
| Alerts | |||
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | - | Yes | Yes |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi |
Yes 802.11 b,g |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Data & Network | |||
| Dual-SIM | - | Yes | - |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes * | - | Yes |
| Music | |||
| FM Radio | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | - | - |
| Stereo Speakers | Yes | Yes | Yes |
| Photo & Video | |||
| Miracast | - | Yes | Yes |
| TV Output | - | Yes | - |
| Power | |||
| Fast Charging | - | Yes | Yes |
| Wireless Charging | - | - | Yes |
| Voice | |||
| HD Voice | - | Yes | - |
| Push-To-Talk | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Nokia N81 | Microsoft Surface Duo 2 | ZTE Axon 9 Pro | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | Microsoft Surface Duo 2 | ZTE Axon 9 Pro |
