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| Phone | Nokia N81 | Samsung Galaxy S21 | HP iPAQ Glisten | ZTE Blade Vantage |
| Current U.S. Carriers | (none) | Verizon | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
6.2" diag. 20 : 9 |
2.5" diag. 4 : 3 |
5" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
320 x 240 pixels (~160 ppi) AMOLED |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 120 Hz | ? | 60 Hz |
| Battery | 1,050 mAh | 4,000 mAh | 1,590 mAh | 2,500 mAh |
| Processor | 369 MHz ARM 11 | 2.8 GHz Qualcomm Snapdragon 888 | 528 MHz Qualcomm MSM7200a (ARM11) | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) |
| RAM | ? | 8 GB | ? | 2 GB |
| Storage | 8 GB * | 128 GB * | ? raw hardware | 16 GB |
| Main Camera | 2 megapixel | 12 megapixel | 3 megapixel | 8 megapixel |
| Wide Camera | - | 12 megapixel | - | - |
| Tele Camera | - | 64 megapixel | - | - |
| Video Capture | VGA (640 x 480) | 8K | QVGA (320 x 240) | 720p HD |
| Front Camera | - | 10 megapixel | - | 2 megapixel |
| Weight |
4.94 oz (140g) |
6.03 oz (171g) |
5.29 oz (150g) |
5.29 oz (150g) |
| Dimensions |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
4.44" x 2.47" x 0.53" (113 x 63 x 13.4 mm) |
5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm) |
| Platform / OS | S60 (Symbian) | Android | Windows Mobile Professional | Android |
| Network Bands |
WCDMA: 1 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 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 13 |
| Data Technology | EDGE | NR (5G) | HSDPA 3.6 | LTE (Cat 4) |
| Features | ||||
| Barometer | - | Yes | - | - |
| Fingerprint Reader | - |
Yes in-display (ultrasonic) |
- | - |
| Flashlight | - | Yes | - | Yes |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| NFC | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi |
Yes 802.11 b,g |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | Yes | - |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
Yes Resistive |
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 | ||||
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Wireless Charging | - | Yes | - | - |
| Voice | ||||
| HD Voice | - | Yes | - | Yes |
| Push-To-Talk | Yes * | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Nokia N81 | Samsung Galaxy S21 | HP iPAQ Glisten | ZTE Blade Vantage | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | Samsung Galaxy S21 | HP iPAQ Glisten | ZTE Blade Vantage |
