The detailed comparison below looks at design, display, performance, cameras, storage, connectivity, and battery specifications. Each category highlights the differences that can affect everyday use.
General
Size, weight, network support, and protection affect how a phone feels and how well it suits everyday travel or long-term use.
| Spec | POCO F6 Pro | Xiaomi 15 |
| Network | 5G, 4G | 5G, 4G |
| Dimensions | 160.86 x 74.95 x 8.21 mm | 152.3 x 71.2 x 8.08 mm |
| Weight | 209 g | 191 g |
| Protection | IP54 | IP68 |
Display and design
Screen size, resolution, refresh rate, and protection determine how sharp, smooth, and practical the display feels.
| Spec | POCO F6 Pro | Xiaomi 15 |
| Size | 6.67-inch | 6.36-inch |
| Resolution | 3200 x 1440 pixel | 2670 x 1200 pixel |
| Refresh rate | 120Hz | 1-120Hz adaptive |
| Peak brightness | 4,000 nits peak | 3,200 nits peak |
| HDR | Dolby Vision | Dolby Vision, HDR10+ |
| Fingerprint | In-display | Ultrasonic in-display |
→ Trade-off: The two displays differ in size, resolution, refresh rate, or protection. Choose the specification that matches how you use your phone rather than relying on screen size alone.
Performance and software
Processor, RAM, storage technology, and software influence app loading, multitasking, gaming, and long-term responsiveness.
| Spec | POCO F6 Pro | Xiaomi 15 |
| Processor | Snapdragon 8 Gen 2 | Snapdragon 8 Elite |
| Process | 4nm | 3nm |
| CPU speed | Up to 3.2GHz | Up to 4.32GHz |
| GPU | Adreno 740 | Adreno 830 |
| RAM | 12GB/16GB LPDDR5X | 12GB LPDDR5X |
| Storage type | UFS 4.0 | UFS 4.0 |
| OS at launch | Android 14 | Android 15 |
→ Pro tip: Processor benchmarks help compare raw performance, but RAM, storage, cooling, and software optimisation also affect real-world speed.
Camera features
Main, ultra-wide, telephoto, and selfie cameras determine the range of photos and videos each phone can capture.
| Spec | POCO F6 Pro | Xiaomi 15 |
| Rear setup | 50MP + 8MP + 2MP | 50MP + 50MP + 50MP |
| Main camera | 50MP with OIS | 50MP with OIS |
| Ultra-wide | 8MP | 50MP |
| Telephoto | Not available | 50MP, 3x optical zoom |
| Front camera | 16MP | 32MP |
| Rear video | Up to 8K | Up to 8K |
→ Buy this if: camera flexibility is important to you; compare the main, ultra-wide, telephoto, and front-camera rows rather than only the highest megapixel number.
Storage and connectivity
Storage capacity and connectivity features matter for large apps, media files, accessories, and wireless use.
| Spec | POCO F6 Pro | Xiaomi 15 |
| Storage | 256GB/512GB/1TB | 512GB |
| Expandable | Not supported | Not supported |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.3 | 6.0 |
| NFC | Supported | Supported |
| IR blaster | Supported | Supported |
Battery and other features
Battery capacity, charging power, and protection ratings affect how the phone handles long days and frequent charging.
| Spec | POCO F6 Pro | Xiaomi 15 |
| Battery | 5,000 mAh | 5,240 mAh |
| Wired charging | 120 W | 90 W |
| Wireless charging | Not supported | 50 W |
| Reverse wireless | Not supported | Supported |
→ Keep in mind: battery capacity and charging wattage should be considered together, because a larger battery may also take longer to refill depending on the charging system.