Phone Comparison - Xiaomi Redmi K40 vs Xiaomi Mi 11 Ultra vs Xiaomi Poco F3
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| Manufacturer | Xiaomi | Xiaomi | Xiaomi |
| Announced | 2021, February 25 | 2021, March 29 | 2021, March 22 |
| Status | Coming soon. Exp. release 2021, March | Coming soon. Exp. release 2021, April 02 | Coming soon. Exp. release 2021, March 27 |
| Price | - | Rs. 69,999 ($0.00) [Similarly Priced] | - |
| Colors | Black, White, Aurora | Ceramic White (Cosmic White), Ceramic Black (Cosmic Black) | Arctic White, Night Black, Deep Ocean Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) |
164.3 x 74.6 x 8.4 mm (6.47 x 2.94 x 0.33 in) |
163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) |
| Weight | 196 g (6.91 oz) | 234 g (8.25 oz) | 196 g (6.91 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 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 40, 41, 42, 66 - International 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - China |
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 66 |
| 5G Network | 1, 3, 28, 38, 41, 77, 78 SA/NSA | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA - International 1, 3, 28, 41, 77, 78, 79 SA/NSA - China |
1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78 SA/NSA |
| Messaging | |||
| Build Features | - Fingerprint Sensor (side-mounted) |
- Fingerprint Sensor (under display, optical) |
- Fingerprint Sensor (side-mounted) |
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| OS | Android 11 | Android 11 | Android 11 |
| User Interface | MIUI 12 | MIUI 12.5 | MIUI 12 for POCO |
| Processor | Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585), Qualcomm SM8250-AC Snapdragon 870 5G (7 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 (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585), Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) |
| GPU | Adreno 650 | Adreno 660 | Adreno 650 |
| RAM | 12 GB | 12 GB | 8 GB |
| Internal Memory | 256 GB | 512 GB | 256 GB |
| External Memory | No | No | No |
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| Type | FHD+ IPS LCD Screen 144Hz Refresh Rate HDR10 Corning Gorilla Glass |
QHD+ AMOLED Screen 120Hz Refresh Rate HDR10+ 900 nits, 1700 nits (peak) Corning Gorilla Glass Victus |
FHD+ AMOLED 120Hz Refresh Rate HDR10+ 900 nits (typ), 1300 nits (peak) Corning Gorilla Glass 5 |
| Colors | 16M Colour | 1B Colour | 16M Colour |
| Size | 6.67 inches | 6.81 inches | 6.67 inches |
| Resolution | 1080 x 2400 pixels (395 ppi) | 1440 x 3200 pixels (515 ppi) | 1080 x 2400 pixels (395 ppi) |
| Screen-to-Body Ratio | 85.70% | 91.45% | 85.70% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | No | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 8 MP + 5 MP | 50 MP + 48 MP + 48 MP | 48 MP + 8 MP + 5 MP |
| Flash | LED Flash | Dual-LED Dual-tone Flash | LED Flash |
| Features | 48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF 8 MP, 119˚ (ultrawide) 5 MP, 50mm (macro), 1/5.0", 1.12µm HDR, panorama |
50 MP, f/1.9, (wide), PDAF, Laser AF, OIS 48 MP, f/4.1, 120mm (periscope telephoto), 1/2.0", 0.8µm, PDAF, OIS, 5x optical zoom, 120x hybrid zoom 48 MP, (ultrawide), 1/2.0", 0.8µm, PDAF HDR, Panorama, Selfie Display |
48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, 50mm (macro), 1/5.0", 1.12µm HDR, Panorama |
| Video | 4K@30fps, 1080p@30/60/120fps; gyro-EIS | 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10 rec. | 4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS |
| Front Camera |
20 MP, f/2.0, (wide), 1/3", 0.9µm HDR 1080p@30fps, 720p@120fps [Similar] |
20 MP, f/2.3, (wide), 1/3.4", 0.8µm HDR 1080p@30fps, 720p@120fps, gyro-EIS [Similar] |
20 MP, f/2.3, (wide), 1/3.4", 0.8µm HDR 1080p@30fps, 720p@120fps, gyro-EIS [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A, 5G | HSPA 42.2/5.76 Mbps, LTE-A, 5G | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Bluetooth | 5.1, A2DP, LE, aptX HD | 5.2, A2DP, LE, aptX HD | 5.1, A2DP, LE |
| Wi-Fi | 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/6e, dual-band, Wi-Fi Direct, DLNA, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot |
| USB | USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC |
| Browser | Yes | Yes | Yes |
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| Internal | 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 8 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 | 256 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 3.1 |
| Expandable Storage | No | 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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| Barometer Sensor | |
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| NFC | |
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| Type | 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 charging 67W, 100% in 36 min (advertised) Fast wireless charging 67W, 100% in 39 min (advertised) Reverse wireless charging 10W Quick Charge 4+ Power Delivery 3.0 |
Non-removable Li-Po Battery Fast battery charging 33W, 100% in 52 min (advertised) Power Delivery 3.0 Quick Charge 3+ |
| Capacity | 4520 mAh | 5000 mAh | 4520mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
