Phone Comparison - Xiaomi Redmi 9C vs Oppo A57 vs Xiaomi Redmi A3x
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| Manufacturer | Xiaomi | Oppo | Xiaomi |
| Announced | Not announced yet | April 2022 | May 2024 |
| Status | Rumored | Coming Soon - April 2022 | Available - May 2024 |
| Colors | Blue, other colors | Black, Blue, Lilac | Midnight Black, Moonlight White, Aurora Green |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in) |
168.4 x 76.3 x 8.3 (6.63 x 3 x 0.33) |
| Weight | - | 186 g (6.56 oz) | - |
| SIM Type | 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 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1x |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE | 1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41 | LTE |
| 5G Network | - | 1, 5, 8, 28, 41, 77, 78 SA/NSA | - |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor (side-mounted) |
- Fingerprint Sensor |
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| OS | Android 10.0 | Android 12 | Android 14 |
| User Interface | MIUI 12 | ColorOS 12.1 | MIUI |
| Processor | , MediaTek Helio G35 | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), MediaTek MT6833P Dimensity 810 5G (6 nm) | Octa-core, Unisoc T603 |
| GPU | Mali-G31 | Mali-G57 MC2 | - |
| RAM | 3 GB | 8 GB | 3 GB |
| Internal Memory | 64 GB | 128 GB | 64 GB |
| External Memory | microSDXC (dedicated slot) | microSDXC | microSDXC (dedicated slot) |
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| Type | IPS LCD Capacitive Touchscreen | HD+ IPS LCD Screen 90Hz Refresh Rate 480 nits (typ), 600 nits (HBM) |
HD+ IPS LCD Screen 90Hz Refresh Rate, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.53 inches | 6.56 inches | 6.71 inches |
| Resolution | 720 x 1600 pixels (269 ppi) | 720 x 1612 pixels (269 ppi) | 720 x 1650 pixels (268 ppi) |
| Screen-to-Body Ratio | - | 84.12% | 83.05% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP + 5 MP + 2 MP | 13 MP + 2 MP | 8 MP + 0.08 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 13 MP, f/1.8, (wide), 1/3.1", 1.12µm, PDAF 5 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, Panorama |
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF 2 MP, f/2.4, (depth) HDR, Panorama |
8 MP, f/2.0, (wide) 0.08 MP (auxiliary lens) HDR |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera |
5 MP HDR 1080p@30fps [Similar] |
8 MP, f/2.0, 26mm (wide) 1080p@30fps [Similar] |
5 MP, f/2.2, (wide) 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE, 5G | HSPA, LTE |
| Bluetooth | 5.0, A2DP, LE | 5.2, A2DP, LE, aptX HD | Yes |
| 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, dual-band, Wi-Fi Direct, hotspot | Yes |
| 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 |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS | GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 3 GB RAM | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 2.2/2.1 | 64 GB, 3 GB RAM eMMC5.1 |
| Expandable Storage | microSDXC (dedicated slot) | microSDXC | microSDXC (dedicated slot) |
| USB OTG | Supported | Supported | Not 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 | Non-removable Li-Po Battery Fast battery charging |
Non-removable Li-Po Battery Battery Charging 10W |
| Capacity | 5000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
