Xiaomi 15 Ultra vs Xiaomi Redmi K20 Pro comparison
        
        
            
                
                    
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                    | ratings | 
| Overall NDTV Rating | Read Review | Read Review | 
| Design Rating |  |  | 
| Display Rating |  |  | 
| Software Rating |  |  | 
| Performance Rating |  |  | 
| Battery Life Rating |  |  | 
| Camera Rating |  |  | 
| Value for Money Rating |  |  | 
| key specs | 
| Display | 6.73-inch | 6.39-inch | 
| Processor | Snapdragon 8 Elite | Qualcomm Snapdragon 855 | 
| Front Camera | 32-megapixel | 20-megapixel | 
| Rear Camera | 50-megapixel + 50-megapixel + 200-megapixel + 50-megapixel | 48-megapixel + 13-megapixel + 8-megapixel | 
| RAM | 16GB | 8GB | 
| Storage | 512GB | 256GB | 
| Battery Capacity | 5410mAh | 4000mAh | 
| OS | Android 15 | Android 9 | 
| Resolution | 3200x1440 pixels | 1080x2340 pixels | 
| general | 
| Brand | Xiaomi | Xiaomi | 
| Model | 15 Ultra | Redmi K20 Pro | 
| Release date | February 27, 2025 | May 28, 2019 | 
| AI Enabled | Yes | - | 
| Form factor | Touchscreen | Touchscreen | 
| Dimensions (mm) | 161.30 x 75.30 x 9.35 | 156.70 x 74.30 x 8.80 | 
| Weight (g) | 226.00 | 191.00 | 
| IP rating | IP68 | - | 
| Battery capacity (mAh) | 5410 | 4000 | 
| Fast charging | 90W Fast Charging | Quick Charge 4.0 | 
| Wireless charging | Yes | - | 
| Wireless Charging Type | 80W | - | 
| Launched in India | - | Yes | 
| Body type | - | Glass | 
| Removable battery | - | No | 
| Colours | - | Carbon Black, Flame Red, Glacier Blue | 
| display | 
| Refresh Rate | 120 Hz | - | 
| Screen size (inches) | 6.73 | 6.39 | 
| Touchscreen | Yes | - | 
| Resolution | 3200x1440 pixels | 1080x2340 pixels | 
| Protection type | Other | Gorilla Glass | 
| Aspect ratio | - | 19:9 | 
| Pixels per inch (PPI) | - | 403 | 
| hardware | 
| Processor | 4.32 MHz octa-core | octa-core | 
| Processor make | Snapdragon 8 Elite | Qualcomm Snapdragon 855 | 
| RAM | 16GB | 8GB | 
| Internal storage | 512GB | 256GB | 
| Expandable storage | - | No | 
| Dedicated microSD slot | - | No | 
| camera | 
| Rear camera | 50-megapixel (f/1.63) + 50-megapixel (f/1.8) + 200-megapixel (f/2.6) + 50-megapixel (f/2.2) | 48-megapixel (f/1.75, 1.6-micron) + 13-megapixel (f/2.4, 1.12-micron) + 8-megapixel (f/2.4, 1.12-micron) | 
| No. of Rear Cameras | 4 | - | 
| Rear flash | Yes | LED | 
| Front camera | 32-megapixel (f/2.0) | 20-megapixel (f/2.2, 0.8-micron) | 
| No. of Front Cameras | 1 | - | 
| Lens Type (Second Rear Camera) | Telephoto | - | 
| Lens Type (Third Rear Camera) | Telephoto | - | 
| Lens Type (Fourth Rear Camera) | Ultra Wide-Angle | - | 
| Rear autofocus | - | PDAF and laser autofocus | 
| Pop-Up Camera | - | Yes | 
| software | 
| Operating system | Android 15 | Android 9 | 
| Skin | HyperOS 2.0 | MIUI 10 | 
| connectivity | 
| Wi-Fi 7 | Yes | - | 
| Wi-Fi | Yes | Yes | 
| Wi-Fi standards supported | 802.11 ax | 802.11 ac | 
| GPS | Yes | Yes | 
| Bluetooth | Yes, v 5.40 | Yes, v 5.00 | 
| NFC | Yes | - | 
| Infrared | Yes | - | 
| USB Type-C | Yes | Yes | 
| Number of SIMs | 2 | 2 | 
| Headphones | - | 3.5mm | 
| Active 4G on both SIM cards | - | Yes | 
| sim 1 | 
| SIM Type | Nano-SIM | Nano-SIM | 
| GSM/CDMA | GSM | GSM | 
| 3G | Yes | - | 
| 4G/ LTE | Yes | - | 
| 5G | Yes | - | 
| sim 2 | 
| SIM Type | Nano-SIM | Nano-SIM | 
| GSM/CDMA | GSM | GSM | 
| 3G | Yes | - | 
| 4G/ LTE | Yes | - | 
| 5G | Yes | - | 
| sensors | 
| In-Display Fingerprint Sensor | Yes | - | 
| Compass/ Magnetometer | Yes | - | 
| Proximity sensor | Yes | Yes | 
| Accelerometer | Yes | Yes | 
| Ambient light sensor | Yes | Yes | 
| Gyroscope | Yes | Yes | 
| Barometer | Yes | Yes | 
| Face unlock | - | Yes | 
| Fingerprint sensor | - | Yes | 
| Temperature sensor | - | Yes |