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| Phone | Nokia N81 | Samsung Ace SPH-i325 | Alcatel 665 | Samsung SCH-A990 | Samsung Galaxy A53 5G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | Verizon |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
2.3" diag. 4 : 3 |
1.8" diag. 4 : 3 |
? |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~174 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
1080 x 2400 pixels (~405 ppi) AMOLED |
| Display Refresh | ? | ? | ? | ? | 120 Hz |
| Battery | 1,050 mAh | 1,300 mAh | 650 mAh | 1,000 mAh | 5,000 mAh |
| Processor | 369 MHz ARM 11 | 416 MHz PXA270 | ? | ? | 2.4 GHz Samsung Exynos 1280 |
| RAM | ? | ? | 16 MB | ? | 6 GB |
| Storage | 8 GB * | ? raw hardware | 32 MB | ? raw hardware | 128 GB |
| Main Camera | 2 megapixel | 1 megapixel | 2 megapixel | 3 megapixel | 64 megapixel |
| Wide Camera | - | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | VGA (640 x 480) | QVGA (320 x 240) | QCIF (176 x 144) | ? | 4K UHD |
| Front Camera | - | - | - | - | 32 megapixel |
| Weight |
4.94 oz (140g) |
3.9 oz (111g) |
2.72 oz (77g) |
4.4 oz (125g) |
6.67 oz (189g) |
| Dimensions |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
4.65" x 2.32" x 0.46" (118 x 59 x 11.7 mm) |
3.78" x 1.89" x 0.66" (96 x 48 x 16.8 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
6.28" x 2.94" x 0.32" (160 x 75 x 8.1 mm) |
| Form Factor | Slide | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | S60 (Symbian) | Windows Mobile Standard | (proprietary) | (proprietary) | Android |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 GSM: 900, 1800 |
GSM: 850, 1900 |
CDMA: 850, 1900 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 78, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | EDGE | EVDO r0 | - | EVDO r0 | NR (5G) |
| Features | |||||
| Fingerprint Reader | - | - | - | - |
Yes in-display (optical) |
| Flashlight | - | - | - | Yes | Yes |
| GPS / Location | n/a | n/a | - | Yes | n/a |
| Water-Resistant | - | - | - | - |
Yes IPX7 (snorkeling) |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | Yes | - |
| Ringer Profiles | Yes | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| NFC | - | - | - | - | Yes |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes |
Yes USB Type C |
| Wi-Fi |
Yes 802.11 b,g |
- | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | n/a | n/a | Yes | Yes | n/a |
| Ringer ID | n/a | n/a | Yes | Yes | n/a |
| Voice Dialing | n/a | n/a | - | Yes | n/a |
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | n/a | Yes | Yes | n/a |
| Data & Network | |||||
| Data Tethering | n/a | n/a | - | Yes | n/a |
| WAP / Web Browser | n/a | n/a | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | n/a | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - | - | - | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes * | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | n/a | - | - | n/a |
| EMS / Picture Messaging | n/a | n/a | - | Yes | n/a |
| Instant Messaging | n/a | n/a | Yes | - | n/a |
| MMS | n/a | n/a | Yes | Yes | n/a |
| Text Messaging Templates | n/a | n/a | Yes | Yes | n/a |
| Music | |||||
| FM Radio | Yes | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - | - |
| Music Player | n/a | n/a | Yes | Yes | n/a |
| Stereo Speakers | Yes | - | - | Yes | Yes |
| Photo & Video | |||||
| TV Output | - | - | - | Yes | - |
| Video Calling | n/a | n/a | - | - | n/a |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | n/a | n/a | Yes | Yes | n/a |
| Calculator | n/a | n/a | Yes | Yes | n/a |
| Calendar | n/a | n/a | Yes | Yes | n/a |
| To-Do List | n/a | n/a | - | - | n/a |
| Voice Memo | n/a | n/a | Yes | Yes | n/a |
| Software | |||||
| BREW | n/a | n/a | - | Yes | n/a |
| Games | n/a | n/a | Yes | Yes | n/a |
| Java (J2ME) | n/a | n/a | Yes | - | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Push-To-Talk | Yes * | - | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Nokia N81 | Samsung Ace SPH-i325 | Alcatel 665 | Samsung SCH-A990 | Samsung Galaxy A53 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | Samsung Ace SPH-i325 | Alcatel 665 | Samsung SCH-A990 | Samsung Galaxy A53 5G |
