Phone Comparison - Xiaomi Redmi 9T vs Xiaomi Redmi K40 Pro vs Oppo A3 Pro
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| Manufacturer | Xiaomi | Xiaomi | Oppo |
| Announced | January 2021 | February 2021 | April 2024 |
| Status | Coming Soon - January 2021 | Coming Soon - March 2021 | Coming Soon - April 2024 |
| Colors | Carbon Gray, Twilight Blue, Sunrise Orange, Ocean Green | Black, White, Aurora | Blue, Pink, Mint |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in) |
163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) |
162.7 x 74.3 x 7.5 mm or 7.9 mm (6.41 x 2.93 x 0.3 in or 0.31 in) |
| Weight | 198 g (6.98 oz) | 196 g (6.91 oz) | 177 g or 182 g (6.24 oz or 6.42 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 CDMA 800 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 CDMA2000 1x |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 | 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 | 1, 3, 5, 8, 28, 34, 38, 39, 40, 41 |
| 5G Network | - | 1, 3, 28, 41, 77, 78 NSA/Sub6 | 1, 5, 8, 28, 41, 77, 78 SA/NSA |
| Messaging | |||
| Build Features | - Fingerprint Sensor Water-repellent coating |
- Fingerprint Sensor |
- Fingerprint Sensor (under display, optical) IP69 dust/water resistant (up to 1.5m for 30 min) |
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| OS | Android 10 | Android 11 | Android 14 |
| User Interface | MIUI 12 | MIUI 12 | ColorOS 14 |
| Processor | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) | Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680), Qualcomm SM8350 Snapdragon 888 (5 nm) | Octa-core (2x2.6 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55), Mediatek Dimensity 7050 (6 nm) |
| GPU | Adreno 610 | Adreno 660 | Mali-G68 MC4 |
| RAM | 6 GB | 12 GB | 12 GB |
| Internal Memory | 128 GB | 256 GB | 512 GB |
| External Memory | microSDXC (dedicated slot) | No | No |
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| Type | IPS LCD Screen 400 nits (typ) Corning Gorilla Glass 3 |
FHD+ Super AMOLED Screen 120Hz Refresh Rate HDR10+ 1300 nits (peak) Corning Gorilla Glass 5 |
FHD+ AMOLED Screen 120Hz Refresh Rate 500 Nits (typ), 800 Nits (HBM), 950 Nits (peak) |
| Colors | 16M Colour | 16M Colour | 1B colors |
| Size | 6.53 inches | 6.67 inches | 6.7 inches |
| Resolution | 1080 x 2340 pixels (395 ppi) | 1080 x 2400 pixels (395 ppi) | 1080 x 2412 pixels (394 ppi) |
| Screen-to-Body Ratio | 83.29% | 85.70% | 89.56% |
| 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 + 8 MP + 2 MP + 2 MP | 64 MP + 8 MP + 5 MP | 64 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, panorama |
64 MP, 26mm (wide), 1/1.7", 0.8µm, PDAF 8 MP, 119˚ (ultrawide) 5 MP, 50mm (macro), 1/5.0", 1.12µm HDR, panorama |
64 MP, f/1.7, 25mm (wide), 1/2.0", 0.7µm, PDAF 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 1080p@30fps | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ | 4K@30fps, 1080p@30/60/120fps, gyro-EIS |
| Front Camera |
8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm 1080p@30fps [Similar] |
20 MP, f/2.0, (wide), 1/3", 0.9µm HDR 1080p@30fps, 720p@120fps [Similar] |
8 MP, f/2.0, (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-A, 5G | HSPA, LTE (CA), 5G |
| Bluetooth | 5.0, A2DP, LE | 5.1, A2DP, LE, aptX HD | 5.3, 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 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band |
| USB | USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, OTG |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC | GPS, GLONASS, GALILEO, BDS, QZSS |
| Browser | Yes | Yes | Yes |
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| Internal | 128 GB, 6 GB RAM or 128 GB (UFS 2.2), 4 GB RAM or 64 GB (UFS 2.1), 4 GB RAM | 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 | 512 GB, 12 GB RAM or 256 GB, 12 GB RAM or 256 GB, 8 GB RAM UFS 3.1 |
| Expandable Storage | microSDXC (dedicated slot) | No | No |
| 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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| NFC | |
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| Type | Non-removable Li-Po Battery Fast battery charging 18W Reverse charging 2.5W |
Non-removable Li-Po Battery Fast battery charging 33W, 100% in 52 min (advertised) Power Delivery 3.0 Quick Charge 3+ |
Non-removable Li-Po Battery Fast battery Charging 67W wired, PD, 56% in 20 min (advertised) Reverse wired |
| Capacity | 6000 mAh | 4520mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
