Phone Comparison - Samsung Galaxy A51 5G vs Samsung Galaxy A73 5G vs Samsung Galaxy A55
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | April 2020 | March 2022 | March 2024 |
| Status | Coming Soon - April 2020 | Coming Soon - April 2022 | Coming Soon - March 2024 |
| Colors | Prism Cube Black, Prism Cube White, Prism Cube Pink | Gray, Mint, White | Iceblue, Lilac, Navy, Lemon |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
158.9 x 73.6 x 8.7 mm (6.26 x 2.9 x 0.34 in) |
163.7 x 76.1 x 7.6 mm (6.44 x 3 x 0.3 in) |
161.1 x 77.4 x 8.2 mm (6.34 x 3.05 x 0.32 in) |
| Weight | 187 g (6.6 oz) | 181 g (6.38 oz) | 213 g (7.51 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM, eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) | LTE | LTE |
| 5G Network | 5G SA/NSA | SA/NSA | SA/NSA/Sub6 - International SA/NSA/Sub6/mmWave - USA |
| SAR EU |
- W/kg (head) - W/kg (body) |
- W/kg (head) - W/kg (body) |
0.68 W/kg (head) 1.04 W/kg (body) |
| Messaging | |||
| Build Features | - Fingerprint Sensor (under display, optical) |
- Fingerprint Sensor (under display, optical) IP67 dust/water resistant (up to 1m for 30 mins) |
- Fingerprint Sensor (under display, optical) IP67 dust/water resistant (up to 1m for 30 min) |
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| OS | Android 10.0 | Android 12 | Android 14 |
| User Interface | One UI 2.0 | One UI 4.1 | One UI 6.1 |
| Processor | Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55), Exynos 980 (8 nm) | Octa-core (4x2.4 GHz Kryo 670 & 4x1.8 GHz Kryo 670), Qualcomm SM7325 Snapdragon 778G 5G (6 nm) | Octa-core (4x2.7 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55), Exynos 1480 |
| GPU | Mali-G76 MP5 | Adreno 642L | - |
| RAM | 8 GB | 8 GB | 12 GB |
| Internal Memory | 128 GB | 256 GB | 256 GB |
| External Memory | microSDXC (dedicated slot) | microSDXC (uses shared SIM slot) | microSDXC (uses shared SIM slot) |
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| Type | Super AMOLED Capacitive Touchscreen Corning Gorilla Glass 3 |
FHD+ Super AMOLED Screen 120Hz Refresh Rate Corning Gorilla Glass 5 |
FHD+ Super AMOLED Screen 120Hz Refresh Rate HDR10+, 550 Nits Corning Gorilla Glass Victus |
| Colors | 16M colors | 16M Colors | 16M colors |
| Size | 6.5 inches | 6.7 inches | 6.6 inches |
| Resolution | 1080 x 2400 pixels (405 ppi) | 1080 x 2400 pixels (393 ppi) | 1080 x 2340 pixels (390 ppi) |
| Screen-to-Body Ratio | 87.17% | 86.91% | 85.97% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | Unspecified | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 12 MP + 5 MP + 5 MP | 108 MP + 8 MP + 5 MP + 5 MP | 50 MP + 12 MP + 5 MP |
| Flash | LED flash | LED flash | LED Flash |
| Features | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 12mm (ultrawide) 5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm 5 MP, f/2.2, (depth) HDR, panorama |
108 MP, f/1.8, (wide), PDAF, OIS 12 MP, f/2.2, (ultrawide) 5 MP, f/2.4, (macro) 5 MP, f/2.4, (depth) panorama, HDR |
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP, f/2.4, (macro) Panorama, HDR |
| Video | 2160p@30fps, 1080p@30/120fps; gyro-EIS | 4K@30fps, 1080p@30/60fps; gyro-EIS | 4K@30fps, 1080p@30/60fps, gyro-EIS |
| Front Camera |
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm HDR 1080p@30fps [Similar] |
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm HDR 4K@30fps, 1080p@30fps [Similar] |
32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm 4K@30fps, 1080p@30/60fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE-A, 5G | HSPA 42.2/5.76 Mbps, LTE-A | HSPA, LTE-A, 5G |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | 5.3, A2DP, LE, aptX |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, OTG |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS | GPS, GALILEO, GLONASS, BDS, QZSS |
| Browser | Yes | Yes | Yes |
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| Internal | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM (UFS 2.0) | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM | 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS |
| Expandable Storage | microSDXC (dedicated slot) | microSDXC (uses shared SIM slot) | microSDXC (uses shared SIM slot) |
| USB OTG | Supported | Supported | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Magnetic-Field Sensor (Compass) | |
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| Gyroscope Sensor | |
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| Barometer Sensor | |
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| NFC | |
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| Type | Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery Fast battery Charging 25W |
Non-removable Li-Po Battery Fast battery Charging 25W |
| Capacity | 4500 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
