realme P4x 5G vs Xiaomi 15 Ultra
46.6Performance79.1
52.9Display69.1
29Camera73.2
71.3Battery79
52Features78.7
4 spec wins — realme P4x 5G10 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
Xiaomi 15 Ultra wins this phone face-off, 75.9 to 49.8, pulling ahead mainly in camera (+44) and performance (+32). realme P4x 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the realme P4x 5G
- 29% higher capacity: 7,000 mAh vs 5,410 mAh
- 20% higher Refresh rate: 144 Hz vs 120 Hz
- 10% lower thickness: 8.4 mm vs 9.4 mm
Reasons to pick the Xiaomi 15 Ultra
- Stronger performance score: 79 vs 47
- Stronger display score: 69 vs 53
- Stronger camera score: 73 vs 29
- Stronger battery score: 79 vs 71
- Stronger features score: 79 vs 52
Display
| Spec | realme P4x 5G | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.72 ″ | 6.73 ″ |
| Panel type | IPS LCD | LTPO AMOLED |
| Resolution | 1080x2400 | 1440x3200 |
| Pixel density | 391 ppi | 522 ppi+34% |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 1,000 nits | 3,200 nits+220% |
| Screen-to-body | 86.5 % | 90 %+4% |
Performance
| Spec | realme P4x 5G | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 7400 Ultra | Snapdragon 8 Elite |
| AnTuTuDifferent AnTuTu versions — not compared | 876,440Bottom 33% | 2,650,000 |
| AnTuTu 11 (CPU) | 342,564Bottom 33% | — |
| AnTuTu 11 (GPU) | 103,831Bottom 22% | — |
| AnTuTu 11 (Memory) | 163,676Bottom 33% | — |
| AnTuTu 11 (UX) | 266,369Bottom 32% | — |
| Geekbench 6 (single) | — | 3,050Top 12% |
| Geekbench 6 (multi) | — | 9,600Top 11% |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128GB / 256GB | 256/512GB/1TB |
| Storage type | UFS 3.1 | UFS 4.1 |
Camera
| Spec | realme P4x 5G | Xiaomi 15 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.63 |
| Ultra-wide | — | 50 MP |
| Telephoto | — | 200 MP |
| Optical zoom | — | 4.3 x |
| Max video | 4K@30fps | 8K@30fps |
| Front camera | 8 MP | 32 MP+300% |
| OIS | No | Yes |
Battery
| Spec | realme P4x 5G | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 7,000 mAh+29% | 5,410 mAh |
| Wired charging | 45 W | 90 W+100% |
| Wireless charging | — | 80 W |
| Active use endurance | — | 12 h |
Design
| Spec | realme P4x 5G | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 208 g+8% | 226 g |
| Thickness | 8.4 mm+10% | 9.4 mm |
| IP rating | IP64 | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | realme P4x 5G | Xiaomi 15 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.4 | 6.0 |
| NFC | No | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | realme P4x 5G | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | Android 15 (realme UI 6.0) | Android 15 (HyperOS 2) |
| OS update pledge | 2 years | 4 years+100% |
Audio
| Spec | realme P4x 5G | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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