Phone Comparison - Samsung Galaxy A03 vs Xiaomi Redmi 10A vs Oppo A57
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| Manufacturer | Samsung | Xiaomi | Oppo |
| Announced | November 2021 | March 2022 | April 2022 |
| Status | Available - January 2022 | Coming Soon - March 2022 | Coming Soon - April 2022 |
| Price | Rs. 10,499 ($0.00) [Similarly Priced] | - | - |
| Colors | Black, Blue, Red | Black, Silver, Blue | Black, Blue, Lilac |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
164.2 x 75.9 x 9.1 mm (6.46 x 2.99 x 0.36 in) |
164.9 x 77 x 9 mm (6.49 x 3.03 x 0.35 in) |
163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in) |
| Weight | 196 g (6.91 oz) | 194 g (6.84 oz) | 186 g (6.56 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | 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 CDMA2000 1x |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1x |
| 3G Network | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 800 / 850 / 900 / 1900 / 2100 |
| 4G Network | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 | 1, 3, 5, 8, 34, 38, 39, 40, 41 | 1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41 |
| 5G Network | - | - | 1, 5, 8, 28, 41, 77, 78 SA/NSA |
| SAR EU |
0.20 W/kg (head) 1.35 W/kg (body) |
- W/kg (head) - W/kg (body) |
- W/kg (head) - W/kg (body) |
| Messaging | |||
| Build Features | - | - Fingerprint Sensor (rear-mounted) |
- Fingerprint Sensor (side-mounted) |
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| OS | Android 11 | Android 11 | Android 12 |
| User Interface | - | MIUI 12.5 | ColorOS 12.1 |
| Processor | Octa-core (2x1.6 GHz & 6x1.6 GHz) | Octa-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53), MediaTek MT6762G Helio G25 (12 nm) | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), MediaTek MT6833P Dimensity 810 5G (6 nm) |
| GPU | - | PowerVR GE8320 | Mali-G57 MC2 |
| RAM | 4 GB | 6 GB | 8 GB |
| Internal Memory | 128 GB | 128 GB | 128 GB |
| External Memory | microSDXC (dedicated slot) | microSDXC | microSDXC |
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| Type | HD+ PLS TFT | IPS LCD Screen | HD+ IPS LCD Screen 90Hz Refresh Rate 480 nits (typ), 600 nits (HBM) |
| Colors | 16M Colors | 16M Colors | 16M colors |
| Size | 6.5 inches | 6.53 inches | 6.56 inches |
| Resolution | 720 x 1600 pixels (270 ppi) | 720 x 1600 pixels (269 ppi) | 720 x 1612 pixels (269 ppi) |
| Screen-to-Body Ratio | 81.80% | 80.89% | 84.12% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Unspecified | No | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 2 MP | 13 MP | 13 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 48 MP, f/1.8, (wide), AF 2 MP, f/2.4, (depth) |
13 MP, AF |
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 5 MP, f/2.2 [Similar] |
5 MP HDR 1080p@30fps [Similar] |
8 MP, f/2.0, 26mm (wide) 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE | HSPA 42.2/5.76 Mbps, LTE, 5G |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | 5.2, A2DP, LE, aptX HD |
| Wi-Fi | 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 | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | microUSB 2.0 | microUSB 2.0 | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS |
| Browser | Yes | Yes | Yes |
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| Internal | 128 GB, 4 GB RAM or 64 GB, 4 GB RAM or 32 GB, 4 GB RAM or 32 GB, 3 GB RAM | 128 GB, 6 GB RAM or 128 GB, 4 GB RAM or 64 GB, 4 GB RAM | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 2.2/2.1 |
| Expandable Storage | microSDXC (dedicated slot) | microSDXC | microSDXC |
| USB OTG | Not Supported | Not 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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| NFC | |
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| Type | Non-removable Li-Po Battery Battery Charging 10W |
Non-removable Li-Po Battery Battery Charging 10W |
Non-removable Li-Po Battery Fast battery charging |
| Capacity | 5000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
