Phone Comparison - Samsung Galaxy A51 vs Samsung Galaxy A55 vs Samsung Galaxy M55
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| Price Comparison (India) | - | ||
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | December 2019 | March 2024 | March 2024 |
| Status | Coming Soon - December 12, 2019 | Coming Soon - March 2024 | Available - March 2024 |
| Price | Rs. 23,999 ($0.00) [Similarly Priced] | - | Rs. 26,999 ($0.00) [Similarly Priced] |
| Colors | Prism Crush White, Black, Pink, Blue | Iceblue, Lilac, Navy, Lemon | Dark Blue, Light Green |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
158.4 x 73.7 x 7.9 mm (6.24 x 2.9 x 0.31 in) |
161.1 x 77.4 x 8.2 mm (6.34 x 3.05 x 0.32 in) |
163.9 x 76.5 x 7.8 mm (6.45 x 3.01 x 0.31 in) |
| Weight | 172 g (6.07 oz) | 213 g (7.51 oz) | 180 g (6.35 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM, eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) | 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 (unspecified) | LTE | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 38, 40, 41, 66 |
| 5G Network | - | SA/NSA/Sub6 - International SA/NSA/Sub6/mmWave - USA |
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 |
| SAR EU |
- W/kg (head) - W/kg (body) |
0.68 W/kg (head) 1.04 W/kg (body) |
0.96 W/kg (head) 0.98 W/kg (body) |
| Messaging | |||
| Build Features | - Fingerprint Sensor(In-display) |
- Fingerprint Sensor (under display, optical) IP67 dust/water resistant (up to 1m for 30 min) |
- Fingerprint Sensor (under display, optical) |
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| OS | Android 9.0 (Pie) | Android 14 | Android 14 |
| User Interface | One UI | One UI 6.1 | One UI 6.1 |
| Processor | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) | Octa-core (4x2.7 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55), Exynos 1480 | Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510), Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm) |
| GPU | Mali-G72 MP3 | - | Adreno 644 |
| RAM | 8 GB | 12 GB | 8 GB |
| Internal Memory | 128 GB | 256 GB | 256 GB |
| External Memory | microSD, up to 512 GB (dedicated slot) | microSDXC (uses shared SIM slot) | microSDXC (uses shared SIM slot) |
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| Type | Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen | FHD+ Super AMOLED Screen 120Hz Refresh Rate HDR10+, 550 Nits Corning Gorilla Glass Victus |
FHD+ Super AMOLED+ Screen 120Hz Refresh Rate, 1000 Nits (HBM) |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.5 inches | 6.6 inches | 6.7 inches |
| Resolution | 1080 x 2340 pixels (396 ppi) | 1080 x 2340 pixels (390 ppi) | 1080 x 2400 pixels (393 ppi) |
| Screen-to-Body Ratio | 89.06% | 85.97% | 86.35% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | No | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 12 MP + 5 MP + 5 MP | 50 MP + 12 MP + 5 MP | 50 MP + 8 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF 12 MP, f/2.2, 13mm (ultrawide) 5 MP, f/2.2, depth sensor 5 MP, f/2.4, macro camera 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 |
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 123˚ (ultrawide) 2 MP, f/2.4, (macro) Panorama, HDR |
| Video | 2160p@30fps, 1080p@30fps | 4K@30fps, 1080p@30/60fps, gyro-EIS | 4K@30fps, 1080p@30/60fps, gyro-EIS |
| Front Camera |
32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps [Similar] |
32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm 4K@30fps, 1080p@30/60fps [Similar] |
50 MP, f/2.4, (wide) 4K@30fps, 1080p@30/60fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE-A | HSPA, LTE-A, 5G | HSPA, LTE, 5G |
| Bluetooth | 5.0, A2DP, LE | 5.3, A2DP, LE, aptX | 5.2, A2DP, LE |
| 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 | 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, OTG | USB Type-C 2.0, OTG |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | GPS, GALILEO, GLONASS, BDS, QZSS | 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 or 64 GB, 4 GB RAM | 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM |
| Expandable Storage | microSD, up to 512 GB (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 45W |
| Capacity | 4000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 25,250 
