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| Total | 88 | 85 |
| Brand | iQOO | Xiaomi |
| Model | iQOO 15 | Xiaomi 12S Ultra |
| Variant | 12GB + 256GB | |
| Device Type | Smartphone | Smartphone |
| Release Date | 26 November 2025 | 4 July 2022 |
| In Box | Phone, 100W Charger, USB-C Cable, SIM Tool, Case | Phone, 120W Charger, USB-C Cable, SIM Tool, Case |
| Size | 6.85 inches | 6.73 inches |
| Type | AMOLED | LTPO AMOLED |
| Resolution | 1440 × 3168 | 1440 × 3200 |
| PPI | 508 | 521 |
| Refresh Rate | 144 Hz | 120 Hz |
| HDR | ✅ Yes | ✅ Yes |
| Brightness | 2600 nits | 1500 nits |
| Screen to Body Ratio | ~ 94.4 % | ~ 91 % |
| Chipset | Snapdragon 8 Elite Gen 5 | Snapdragon 8+ Gen 1 |
| CPU Cores | 8 | 8 |
| Cores Details | 4.60 | 3.2 |
| Max Clock Speed | 4.6 GHz | 3.2 GHz |
| GPU | ||
| RAM | 12GB | 12GB |
| RAM Type | LPDDR5X | LPDDR5X |
| Storage | 256 Gb | 256 Gb |
| Rear Camera | 50 MP (wide, Sony IMX921) + 50 MP (periscope telephoto, Sony IMX882) + 50 MP (ultrawide) | 50 MP (wide, Leica) + 48 MP (ultrawide) + 48 MP (periscope telephoto) |
| Rear Video | 4K@60fps, 1080p@240fps | 8K@24fps, 4K@60fps, 1080p@960fps |
| Flash | ✅ Yes | ✅ Yes |
| OIS | ✅ Yes | ✅ Yes |
| Front Camera | 32 MP (wide) | 32 MP (wide) |
| Front Video | 4K@60fps | 1080p@120fps |
| Battery Type | Silicon-Anode Battery | Lithium-Polymer (Li-Po) |
| Capacity | 7000 mAh | 4860 mAh |
| Fast Charging | 100 W | 120 W |
| Wireless Charging | 40 W | 50 W |
| Reverse Charging | No | 10 W |
| Operating System | Android | Android |
| OS Version | v16 | v12 |
| Update Policy | 5 | 3 |
| 5G | ✅ Yes | ✅ Yes |
| 4G | ✅ Yes | ✅ Yes |
| 3G | ✅ Yes | ✅ Yes |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Wi-Fi | 7 | 6 |
| Bluetooth | v5.4 | v5.2 |
| USB | v3.2 | v3.1 |
| NFC | ✅ Yes | ✅ Yes |
| Height | 163.65 mm | 163.2 mm |
| Width | 76.8 mm | 75.6 mm |
| Thickness | 8.17 mm | 8.5 mm |
| Weight | 218 g | 225 g |
| Water Resistance, IP Rating | IP68/IP69 | IP68 |
| Colors | Legend, Alpha | Black, Green, White |
| Fingerprint | Under-display Ultrasonic | Under-display Ultrasonic |
| Face Unlock | ✅ Yes | ✅ Yes |
| Speakers | 2 | 2 |
| Stereo Speakers | ✅ Yes | ✅ Yes |
| Headphone Jack | ❌ No | ❌ No |
| Dedicated Cooling | ✅ Yes | ✅ Yes |
| Gaming Triggers | ❌ No | ❌ No |
| AI FPS Generation | ✅ Yes | ✅ Yes |
| Protection | Corning Gorilla Glass | Corning Gorilla Glass Victus |
| Camera Cutout | Punch-Hole Center | Punch-Hole Center |
| Curved Display | ❌ No | ✅ Yes |
| Round Corners | ✅ Yes | ✅ Yes |
| Anti Reflection | ✅ Yes | ❌ No |
| Dust Resistance | ❌ No | ✅ Yes |
| Storage Type | UFS 4.1 | UFS 3.1 |
| Antutu Score | 4,180,000 | 1,200,000 |
| eSIM | ❌ No | ❌ No |
| IR Blaster | ❌ No | ✅ Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Ultrasonic Fingerprint | Accelerometer, Gyro, Proximity, Compass, Fingerprint, Barometer, Color Spectrum |