iPhone X vs Xiaomi 15 Ultra
20Performance79.1
29.7Display69.1
35.3Camera73.2
21.3Battery79
60Features78.7
3 spec wins — iPhone X16 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
Xiaomi 15 Ultra wins this phone face-off, 75.9 to 29.3, pulling ahead mainly in performance (+59) and battery (+58). iPhone X still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the iPhone X
- 25% higher OS update pledge: 5 years vs 4 years
- 23% lower weight: 174 g vs 226 g
- 18% lower thickness: 7.7 mm vs 9.4 mm
- Lower launch price: $999 vs $1,499
Reasons to pick the Xiaomi 15 Ultra
- Stronger performance score: 79 vs 20
- Stronger display score: 69 vs 30
- Stronger camera score: 73 vs 35
- Stronger battery score: 79 vs 21
- Stronger features score: 79 vs 60
Display
| Spec | iPhone X | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 5.8 ″ | 6.73 ″+16% |
| Panel type | OLED | LTPO AMOLED |
| Resolution | 2436x1125 | 1440x3200 |
| Pixel density | 458 ppi | 522 ppi+14% |
| Refresh rate | 60 Hz | 120 Hz+100% |
| Peak brightness | 625 nits | 3,200 nits+412% |
| Screen-to-body | — | 90 % |
Performance
| Spec | iPhone X | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | Apple A11 Bionic | Snapdragon 8 Elite |
| AnTuTu 10 | — | 2,650,000Top 4% |
| Geekbench 6 (single) | 1,050Top 66% | 3,050+190%Top 7% |
| Geekbench 6 (multi) | 2,400Top 75% | 9,600+300%Top 5% |
| RAM (max) | 3 GB | 16 GB+433% |
| Storage options | 64GB / 256GB | 256/512GB/1TB |
| Storage type | NVMe | UFS 4.1 |
Camera
| Spec | iPhone X | Xiaomi 15 Ultra |
|---|---|---|
| Main camera | 12 MP | 50 MP+317% |
| Main aperture | f/1.8 | f/1.63 |
| Ultra-wide | — | 50 MP |
| Telephoto | 12 MP | 200 MP+1567% |
| Optical zoom | 2 x | 4.3 x+115% |
| Max video | 4K@60fps | 8K@30fps |
| Front camera | 7 MP | 32 MP+357% |
| OIS | Yes | Yes |
Battery
| Spec | iPhone X | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 2,716 mAh | 5,410 mAh+99% |
| Wired charging | 15 W | 90 W+500% |
| Wireless charging | 8 W | 80 W+967% |
| Active use endurance | — | 12 h |
Design
| Spec | iPhone X | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 174 g+23% | 226 g |
| Thickness | 7.7 mm+18% | 9.4 mm |
| IP rating | IP67 | IP68 |
| Frame material | Stainless steel | Aluminum |
Connectivity
| Spec | iPhone X | Xiaomi 15 Ultra |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.0 | 6.0 |
| NFC | Yes | Yes |
| USB | Lightning | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | iPhone X | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | iOS 11 | Android 15 (HyperOS 2) |
| OS update pledge | 5 years+25% | 4 years |
Audio
| Spec | iPhone X | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |