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| Phone | Samsung Galaxy A51 (4G) | Google Pixel 5a | Nokia 6555 | Samsung Instinct S30 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
6.3" diag. 20 : 9 |
2" diag. 4 : 3 |
3.2" diag. 16 : 9 |
| Display Resolution & Type |
1080 x 2400 pixels (~405 ppi) AMOLED |
1080 x 2400 pixels (~415 ppi) AMOLED |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
240 x 432 pixels (~154 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? | ? |
| Battery | 4,000 mAh | 4,680 mAh | 1,020 mAh | 1,000 mAh |
| Processor | 2.3 GHz Samsung Exynos 9611 | 2.4 GHz Qualcomm Snapdragon 765G | ? | ? |
| RAM | 4 GB | 6 GB | ? | ? |
| Storage | 128 GB | 128 GB | ? raw hardware | ? raw hardware |
| Main Camera | 48 megapixel | 12 megapixel | 1 megapixel | 2 megapixel |
| Wide Camera | 12 megapixel | 16 megapixel | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 4K UHD | 4K UHD | QCIF (176 x 144) | ? |
| Front Camera | 32 megapixel | 8 megapixel | - | - |
| Weight |
6.07 oz (172g) |
6.53 oz (185g) |
3.42 oz (97g) |
3.88 oz (110g) |
| Dimensions |
6.24" x 2.89" x 0.31" (158 x 73 x 7.9 mm) |
6.1" x 2.9" x 0.3" (155 x 74 x 7.6 mm) |
3.92" x 1.74" x 0.77" (100 x 44 x 19.6 mm) |
4.61" x 2.16" x 0.52" (117 x 55 x 13.2 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 30, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
5G: 1, 2, 5, 12, 25, 28, 41, 66, 71, 77-C, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | LTE (Cat 12) | NR (5G) | WCDMA (UMTS) | EVDO r0 |
| Features | ||||
| Barometer | - | Yes | - | - |
| Fingerprint Reader |
Yes in-display (optical) |
Yes stand-alone |
- | - |
| Flashlight | Yes | Yes | - | - |
| GPS / Location | n/a | n/a | - | Yes |
| Water-Resistant | - |
Yes IPX7 (snorkeling) |
- | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | Yes | - |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | - |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| MirrorLink | Yes | - | - | - |
| NFC | Yes | Yes | - | - |
| USB |
Yes USB Type C |
Yes USB Type C |
Yes Micro-USB |
- |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | Yes |
| Ringer ID | n/a | n/a | Yes | Yes |
| Voice Dialing | n/a | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | Yes |
| Custom Ringtones | n/a | n/a | Yes | Yes |
| Real-Music Ringers | n/a | n/a | Yes | Yes |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | Yes |
| Dual-SIM | - | Yes | - | - |
| WAP / Web Browser | n/a | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | - |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | - | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- | Yes |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | Yes | Yes |
| Instant Messaging | n/a | n/a | Yes | Yes |
| MMS | n/a | n/a | Yes | - |
| Text Messaging Templates | n/a | n/a | Yes | - |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes |
| Music Player | n/a | n/a | Yes | Yes |
| Stereo Speakers | - | Yes | - | - |
| Power | ||||
| Fast Charging | Yes | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes |
| Calendar | n/a | n/a | Yes | Yes |
| To-Do List | n/a | n/a | Yes | - |
| Voice Memo | n/a | n/a | Yes | - |
| Software | ||||
| Games | n/a | n/a | Yes | Yes |
| Java (J2ME) | n/a | n/a | Yes | Yes |
| Voice | ||||
| Call Screening | - | Yes | - | - |
| HD Voice | Yes | Yes | - | - |
| Headset Jack (2.5 mm) | n/a | n/a | Yes | - |
| Push-To-Talk | - | - | Yes * | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung Galaxy A51 (4G) | Google Pixel 5a | Nokia 6555 | Samsung Instinct S30 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy A51 (4G) | Google Pixel 5a | Nokia 6555 | Samsung Instinct S30 |
