iQOO 15 Ultra vs Xiaomi 18 Pro Max
99.6Performancechip92.9
90.4Display69.8
65.5Camera83.6
90.2Battery92
86.7Features86.7
5 spec wins — iQOO 15 Ultra8 spec wins — Xiaomi 18 Pro Max
InnoReviews verdict
iQOO 15 Ultra wins this phone face-off, 87.8 to 85.6, pulling ahead mainly in display (+21) and performance (+7). Xiaomi 18 Pro Max still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the iQOO 15 Ultra
- Stronger performance score: 100 vs 93
- Stronger display score: 90 vs 70
- 100% higher Peak brightness: 8,000 nits vs 4,000 nits
- 50% higher RAM (max): 24 GB vs 16 GB
- 22% higher Pixel density: 508 ppi vs 418 ppi
Reasons to pick the Xiaomi 18 Pro Max
- Stronger camera score: 84 vs 66
- 300% higher Main camera: 200 MP vs 50 MP
- 300% higher telephoto: 200 MP vs 50 MP
- 56% higher Front camera: 50 MP vs 32 MP
- 25% higher Wireless charging: 50 W vs 40 W
Display
| Spec | iQOO 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Screen size | 6.85 ″ | 6.9 ″+1% |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 1440x3168 | 1208x2624 |
| Pixel density | 508 ppi+22% | 418 ppi |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 8,000 nits+100% | 4,000 nits |
| Screen-to-body | — | 91.6 % |
Performance
| Spec | iQOO 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Chipset | Snapdragon 8 Elite Gen 5 | Snapdragon 8 Elite Extreme Gen 6 |
| AnTuTu | 4,118,578Top 1% | — |
| AnTuTu 11 (CPU) | 1,124,295Top 2% | — |
| AnTuTu 11 (GPU) | 1,528,317Top 1% | — |
| AnTuTu 11 (Memory) | 547,676Top 1% | — |
| AnTuTu 11 (UX) | 918,290Top 1% | — |
| RAM (max) | 24 GB+50% | 16 GB |
| Storage options | 256GB/512GB/1TB | 256/512GB/1TB |
| Storage type | UFS 4.1 | UFS 4.1 |
Camera
| Spec | iQOO 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.88 | f/1.7 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | 50 MP | 200 MP+300% |
| Optical zoom | 3 x | 3.2 x+7% |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 32 MP | 50 MP+56% |
| OIS | Yes | Yes |
Battery
| Spec | iQOO 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Capacity | 7,400 mAh | 8,500 mAh+15% |
| Wired charging | 100 W | 100 W |
| Wireless charging | 40 W | 50 W+25% |
Design
| Spec | iQOO 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Weight | 227 g+3% | 235 g |
| Thickness | 8.7 mm | 8.4 mm+3% |
| IP rating | IP68/IP69 | IP66/IP68/IP69 |
| Frame material | — | Aluminum |
Connectivity
| Spec | iQOO 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6.0 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 Gen 1 | USB-C 3.2 |
| eSIM | No | No |
Software
| Spec | iQOO 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| OS at launch | Android 16 (OriginOS 6) | Android 17 (HyperOS 4) |
Audio
| Spec | iQOO 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |