Realme P4 vs Xiaomi 15 Ultra
The Realme P4 (2025) runs on the Dimensity 7400, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $229 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 57/100 (a 28-point difference). Key differences: the Realme P4 has the bigger battery (7000 mAh vs 6000); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 956,756); the Xiaomi 15 Ultra has NFC for contactless payments, the Realme P4 doesn't; the Realme P4 is noticeably lighter (195g vs 225g).
Realme P4
Xiaomi 15 Ultra
- Bigger battery: 7000 vs 6000 mAh
- Lighter: 195g vs 225g
- Cheaper at launch: $229 vs $999
- Better portability (66/100 vs 29/100)
- Higher AnTuTu: 3030376 vs 956756
- Better Geekbench Single: 3050 vs 1061
- Better Geekbench Multi: 10200 vs 3185
- Faster charging: 90W vs 80W
- Higher performance (92/100 vs 57/100)
- Better camera (87/100 vs 35/100)
- Longer battery life (80/100 vs 68/100)
- Better display (90/100 vs 79/100)
Comparing the Realme P4 vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 28 points higher (85/100 vs 57/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 57/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 35/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 68/100). Value score: Realme P4 — 72/100, Xiaomi 15 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Realme P4 (92/100 vs 57/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 79/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Realme P4 (87/100 vs 35/100). In the "battery" category, the Xiaomi 15 Ultra is a bit better (80/100 vs 68/100). In the "portability" category, the Realme P4 significantly outperforms the Xiaomi 15 Ultra (66/100 vs 29/100).
| Specification | Realme P4 | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Dimensity 7400 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 956756 | 3030376 | |
| Geekbench Single | 1061 | 3050 | |
| Geekbench Multi | 3185 | 10200 | |
| Display | 6.8" OLED | 6.7" LTPO AMOLED | |
| Resolution | 1080x2392 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7000 mAh | 6000 mAh | |
| Charging | 80W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 6GB / 8GB | 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 4500 nits | 3200 nits | |
| NFC | no | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 163.3×75.9×7.6 mm | 161.3×75.3×9.4 mm | |
| Weight | 195 g | 225 g | |
| Launch price | $229 | $999 |
Realme P4
- Main: 50MP f/f/1.88
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Realme P4
- 6.8" OLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Realme P4
- 7000 mAh
- Wired: 80W
- No wireless charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
We compared Realme P4 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Realme P4 by 68.4% in our overall performance rating.
Launch price difference: $770. Realme P4 was $770 cheaper at launch.
performance
In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Realme P4 (92/100 vs 57/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Realme P4 (87/100 vs 35/100).
battery
In the "battery" category, the Xiaomi 15 Ultra is a bit better (80/100 vs 68/100).
portability
In the "portability" category, the Realme P4 significantly outperforms the Xiaomi 15 Ultra (66/100 vs 29/100).
Which is better: the Realme P4 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the Realme P4 by 28 points (85/100 vs 57/100).
What is the rating of the Realme P4 and the Xiaomi 15 Ultra?
The Realme P4 has a MobileRank rating of 57/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Realme P4 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 35/100).
Which is more powerful: the Realme P4 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 57/100).
Should you choose the Realme P4 over the Xiaomi 15 Ultra?
The Realme P4 is a better fit for everyday use. The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.