Phone Comparison - Samsung Galaxy A3 vs Samsung Galaxy A51 vs Samsung Galaxy M12
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | October 2014 | December 2019 | 2021, February 05 |
| Status | Available - November 2014 | Coming Soon - December 12, 2019 | Coming soon. Exp. release 2021, February |
| Price | Rs. 14,265 ($209.78) [Similarly Priced] | Rs. 23,999 ($0.00) [Similarly Priced] | - |
| Colors | Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B | Prism Crush White, Black, Pink, Blue | Gray, Blue, Green |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
130.1 x 65.5 x 6.9 mm ( 5.12 x 2.58 x 0.27 in) |
158.4 x 73.7 x 7.9 mm (6.24 x 2.9 x 0.31 in) |
163.9 x 75.9 x 8.9 mm (6.45 x 2.99 x 0.35 in) |
| Weight | 110.3 g (3.88.0.11 oz) | 172 g (6.07 oz) | 221 g (7.8 oz) |
| SIM Type | - | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE | LTE (unspecified) | LTE 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | ||
| Build Features | - | - Fingerprint Sensor(In-display) |
- Fingerprint Sensor (side-mounted) |
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| OS | Android OS, v4.4.2 (KitKat) | Android 9.0 (Pie) | Android 10 |
| User Interface | - | One UI | One UI 2.5 |
| Processor | Quad-core 1.2 GHz | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) | Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55), Exynos 850 (8nm) |
| GPU | - | Mali-G72 MP3 | Mali-G52 |
| RAM | 1 GB | 8 GB | 6 GB |
| Internal Memory | 16 GB | 128 GB | 128 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 512 GB (dedicated slot) | microSDXC (dedicated slot) |
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| Type | Super AMOLED Capacitive Touchscreen | Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen | PLS IPS Display |
| Colors | 16M colors | 16M colors | 16M Colour |
| Size | 4.5 inches | 6.5 inches | 6.5 inches |
| Resolution | 540 x 960 pixels (245 ppi) | 1080 x 2340 pixels (396 ppi) | 720 x 1600 pixels (270 ppi) |
| Screen-to-Body Ratio | 65.39% | 89.06% | 81.95% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 48 MP + 12 MP + 5 MP + 5 MP | 48 MP + 5 MP + 2 MP + 2 MP |
| Flash | LED flash | LED Flash | LED flash |
| Features | Auto focus, Geo-tagging, Face Detection, Panorama, HDR, Wide Selfie, Rear-cam Selfie | 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 |
48 MP, f/2.0, (wide), PDAF 5 MP, f/2.2, 123˚ (ultrawide), 1/5.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) panorama, HDR |
| Video | 1080p@30fps | 2160p@30fps, 1080p@30fps | 1080p@30fps |
| Front Camera | 5 MP [Similar] |
32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps [Similar] |
8 MP, f/2.2, (Wide) HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | v4.0, BLE, ANT+ | 5.0, A2DP, LE | 5.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0 | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 2.0 |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | HTML5 | Yes | Yes |
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| Internal | 16 GB, 1 GB RAM | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM or 32 GB, 3 GB RAM (eMMC 5.1) |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 512 GB (dedicated slot) | microSDXC (dedicated slot) |
| USB OTG | - | Supported | Not Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Non-removable Li-Po Battery | Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery Fast battery charging 15W |
| Capacity | 1900 mAh | 4000 mAh | 6000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 25,250 
