Xiaomi 15 Ultra vs Xiaomi POCO X6
The Verdict
Xiaomi's flagship 15 Ultra commands premium positioning with its 1-inch 50MP main camera, periscope 200MP telephoto, and Snapdragon 8 Elite processor delivering superior computational photography and raw performance. Display quality stands out with 3200 nits peak brightness, 1-120Hz LTPO technology, and superior 3200x1440 resolution versus X6's 2712x1220 panel. Battery endurance favors Ultra's 5810mAh capacity with 90W charging and 50W wireless option, while X6 offers respectable 67W wired charging without wireless capability. Build materials differ significantly, with Ultra's titanium frame and IP68 rating outperforming X6's plastic construction and IP54 protection. However, POCO X6 delivers impressive value at budget pricing with capable Snapdragon 7s performance, 120Hz AMOLED display, and solid 64MP camera for everyday photography. For power users prioritizing camera versatility, processing speed, and premium construction, Xiaomi 15 Ultra justifies its 3.5x price premium. POCO X6 suits budget-conscious buyers accepting performance trade-offs for reliable mid-range experience.
Who Should Buy
Buy the Xiaomi 15 Ultra if…
- →200MP periscope telephoto with 5x optical zoom rivals Galaxy S25 Ultra
- →1-inch main sensor with Leica optics produces stunning photos
- →Titanium frame gives a premium, durable build
Buy the Xiaomi POCO X6 if…
- →1.5K resolution AMOLED display is sharper than typical FHD+
- →67W fast charging fills the battery in about 45 minutes
- →Snapdragon 7s Gen 2 handles gaming and multitasking well
Category Scores
Pros & Cons
Xiaomi 15 Ultra
Pros
- 200MP periscope telephoto with 5x optical zoom rivals Galaxy S25 Ultra
- 1-inch main sensor with Leica optics produces stunning photos
- Titanium frame gives a premium, durable build
- 4K@120fps video recording is industry-leading
- 90W fast charging and 50W wireless on a huge 5810 mAh battery
Cons
- Heavy at 229 g and thick at 9.17 mm
- Very expensive at $999 with limited global availability
- HyperOS software experience lags behind iOS and One UI
- Camera bump is extremely large
Xiaomi POCO X6
Pros
- 1.5K resolution AMOLED display is sharper than typical FHD+
- 67W fast charging fills the battery in about 45 minutes
- Snapdragon 7s Gen 2 handles gaming and multitasking well
- OIS on main camera improves low-light and video stability
- Light and slim at 181 g with good in-hand feel
Cons
- Macro sensor adds minimal value to the camera system
- No wireless charging at any price variant
- Plastic frame doesn't feel as premium as metal alternatives
- Only IP54 splash resistance — not fully waterproof
- MIUI/HyperOS includes bloatware and ads
Full Specifications
| Spec | Xiaomi 15 Ultra | Xiaomi POCO X6 |
|---|---|---|
| Software | Android 15 (HyperOS 2) | Android 14 (MIUI 14 / HyperOS) |
| Body | ||
| Weight | 229 g | 181 g |
| Material | Titanium frame, Gorilla Glass Victus 2 | Plastic frame, glass front and back |
| IP rating | IP68 | IP54 |
| Dimensions | 161.1 x 75.2 x 9.17 mm | 161.2 x 74.3 x 7.98 mm |
| Camera | ||
| Main camera | 50 MP, f/1.63, OIS (1-inch sensor) | 64 MP, f/1.79, PDAF, OIS |
| Front camera | 32 MP, f/2.0 | 16 MP, f/2.4 |
| Video | 8K@30fps, 4K@120fps | 4K@30fps |
| Telephoto | 200 MP, f/2.6, 5x periscope optical zoom, OIS | — |
| Ultrawide | 50 MP, f/2.0, 128-degree | 8 MP, f/2.2 |
| Macro | — | 2 MP, f/2.4 |
| Memory | ||
| RAM | 16 GB | 8 GB / 12 GB |
| Storage options | 256 GB, 512 GB, 1 TB | 256 GB, 512 GB |
| Battery | ||
| Capacity | 5810 mAh | 5100 mAh |
| Charging | 90W wired | 67W wired (Turbo Charge) |
| Wireless charging | 50W wireless | No |
| Display | ||
| Size | 6.73 inches | 6.67 inches |
| Type | LTPO AMOLED | AMOLED |
| Resolution | 3200 x 1440 | 2712 x 1220 |
| Refresh rate | 1-120Hz | 120Hz |
| Brightness (nits) | 3200 | 1800 |
| Processor | ||
| CPU | Octa-core (2x4.32 GHz + 6x3.53 GHz) | Octa-core (4x2.4 GHz + 4x1.95 GHz) |
| GPU | Adreno 830 | Adreno 710 |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 7s Gen 2 |
| Connectivity | ||
| 5G | ||
| NFC | ||
| USB | USB-C 3.2 | USB-C 2.0 |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6 |
| Bluetooth | 5.4 | 5.2 |
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in phones, see all Xiaomi products or all Xiaomi products. View full details for the Xiaomi 15 Ultra or the Xiaomi POCO X6.