Phone Comparison - Oppo A77 vs Xiaomi Redmi Note 12 Pro vs Samsung Galaxy A25
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| Manufacturer | Oppo | Xiaomi | Samsung |
| Announced | June 2022 | October 2022 | December 2023 |
| Status | Coming Soon - June 2022 | Coming Soon - November 2022 | Coming Soon - December 2023 |
| Colors | Ocean Blue, Midnight Black | Black, Blue, White, Violet | Brave Black, Personality Yellow, Fantasy Blue, Optimistic Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in) |
162.9 x 76 x 7.9 mm (6.41 x 2.99 x 0.31 in) |
161 x 76.5 x 8.3 mm (6.34 x 3.01 x 0.33 in) |
| Weight | 190 g (6.7 oz) | 187 g (6.6 oz) | 197 g (6.95 oz) |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Hybrid 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 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) |
| 3G Network | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 | 1, 3, 5, 8, 19, 34, 38, 39, 40, 41 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 |
| 5G Network | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA | 1, 3, 5, 8, 28, 38, 41, 77, 78 SA/NSA | 1, 3, 5, 7, 8, 26, 28, 40, 41, 66, 77, 78 SA/NSA/Sub6 |
| SAR EU |
- W/kg (head) - W/kg (body) |
- W/kg (head) - W/kg (body) |
0.46 W/kg (head) 1.19 W/kg (body) |
| Messaging | |||
| Build Features | - Fingerprint Sensor (side-mounted) IPX4 water resistant |
- Fingerprint Sensor (under display, optical) IP53, dust and splash resistant |
- Fingerprint Sensor |
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| OS | Android 12 | Android 12 | Android 14 |
| User Interface | ColorOS 12.1 | MIUI 13 | One UI 6 |
| Processor | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), MediaTek MT6833P Dimensity 810 (6 nm) | Octa-core (2x2.6 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55), MediaTek Dimensity 1080 (6 nm) | Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55), Exynos 1280 (5 nm) |
| GPU | Mali-G57 MC2 | Mali-G68 MC4 | Mali-G68 |
| RAM | 6 GB | 12 GB | 8 GB |
| Internal Memory | 128 GB | 256 GB | 128 GB |
| External Memory | microSDXC | No | microSDXC (uses shared SIM slot) |
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| Type | HD+ IPS LCD Screen 90Hz Refresh Rate 480 nits (typ), 600 nits (HBM) |
FHD+ OLED Screen 120Hz Refresh Rate Dolby Vision, HDR10+ 500 nits (typ), 900 nits (HBM) |
FHD+ Super AMOLED Screen 120Hz Refresh Rate 1000 Nits (HBM) |
| Colors | 16M Colors | 1B Colors | 16M colors |
| Size | 6.56 inches | 6.67 inches | 6.5 inches |
| Resolution | 720 x 1612 pixels (269 ppi) | 1080 x 2400 pixels (395 ppi) | 1080 x 2340 pixels (396 ppi) |
| Screen-to-Body Ratio | 84.12% | 86.57% | 84.42% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | Unspecified | Unspecified |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 2 MP | 50 MP + 8 MP + 2 MP | 50 MP + 8 MP + 2 MP |
| Flash | LED Flash | Dual-LED Dual-tone Flash | LED Flash |
| Features | 48 MP, f/1.7, 26mm (wide), PDAF 2 MP, f/2.4, (depth) HDR, Panorama |
50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/1.9, 119˚ (ultrawide), 1/4", 1.12µm 2 MP, f/2.4, (macro) HDR, Panorama |
50 MP, f/1.8, (wide), PDAF, OIS 8 MP, f/2.2, 120˚ (ultrawide) 2 MP, f/2.4, (macro) Panorama, HDR |
| Video | 1080p@30fps | 4K@30fps, 1080p@30/60/120fps, 720p@960fps | 4K@30fps, 1080p@30fps, gyro-EIS |
| Front Camera |
8 MP, f/2.0, 26mm (wide) Panorama 1080p@30fps [Similar] |
16 MP, (wide), 1/3.06", 1.0µm HDR 1080p@30/60fps [Similar] |
13 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, 5G | HSPA, LTE-A (CA), 5G | HSPA, LTE, 5G |
| Bluetooth | 5.3, A2DP, LE, aptX HD | 5.2, A2DP, LE | 5.3, 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, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| USB | USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0 |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS | GPS (L1), GLONASS (G1), BDS (B1I+B1c), GALILEO (E1), QZSS (L1) | GPS, GLONASS, GALILEO, BDS, QZSS |
| Browser | Yes | Yes | Yes |
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| Internal | 128 GB, 6 GB RAM UFS 2.2 | 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 3.1 | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM |
| Expandable Storage | microSDXC | No | microSDXC (uses shared SIM 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 Fast battery Charging 33W, 53% in 30 min (advertised) |
Non-removable Li-Po Battery Fast battery Charging 67W, 50% in 15 min, 100% in 46 min (advertised) USB Power Delivery 3.0 |
Non-removable Li-Po Battery Fast battery Charging 25W |
| Capacity | 5000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
