Redmi Note 15 vs Xiaomi 15 Ultra
The Redmi Note 15 (2026) runs on the Qualcomm Snapdragon 6 Gen 3, 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 Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 5520); the main camera is 108 MP vs 50 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 822,983); the Redmi Note 15 is noticeably lighter (178g vs 225g).
Redmi Note 15
Xiaomi 15 Ultra
- Better main camera: 108MP vs 50MP
- Lighter: 178g vs 225g
- Cheaper at launch: $229 vs $999
- Better portability (79/100 vs 29/100)
- Higher AnTuTu: 3030376 vs 822983
- Better Geekbench Single: 3050 vs 1015
- Better Geekbench Multi: 10200 vs 2920
- Bigger battery: 6000 vs 5520 mAh
- Faster charging: 90W vs 45W
- Higher performance (92/100 vs 55/100)
- Better camera (87/100 vs 46/100)
- Longer battery life (80/100 vs 54/100)
- Better display (90/100 vs 79/100)
Comparing the Redmi Note 15 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 55/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 46/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 54/100). Value score: Redmi Note 15 — 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 Redmi Note 15 (92/100 vs 55/100). 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 Redmi Note 15 (87/100 vs 46/100). In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Redmi Note 15 (80/100 vs 54/100). In the "portability" category, the Redmi Note 15 significantly outperforms the Xiaomi 15 Ultra (79/100 vs 29/100).
| Specification | Redmi Note 15 | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6 Gen 3 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 822983 | 3030376 | |
| Geekbench Single | 1015 | 3050 | |
| Geekbench Multi | 2920 | 10200 | |
| Display | 6.8" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 2392x1080 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5520 mAh | 6000 mAh | |
| Charging | 45W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 108 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 8GB / 12GB | 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 3200 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 164.0×75.4×7.4 mm | 161.3×75.3×9.4 mm | |
| Weight | 178 g | 225 g | |
| Launch price | $229 | $999 |
Redmi Note 15
- Main: 108MP
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi Note 15
- 6.8" AMOLED
- Resolution: 2392x1080
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Redmi Note 15
- 5520 mAh
- Wired: 45W
- 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 Redmi Note 15 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Redmi Note 15 by 72.8% in our overall performance rating.
Launch price difference: $770. Redmi Note 15 was $770 cheaper at launch.
performance
In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Redmi Note 15 (92/100 vs 55/100).
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 Redmi Note 15 (87/100 vs 46/100).
battery
In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Redmi Note 15 (80/100 vs 54/100).
portability
In the "portability" category, the Redmi Note 15 significantly outperforms the Xiaomi 15 Ultra (79/100 vs 29/100).
Which is better: the Redmi Note 15 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the Redmi Note 15 by 28 points (85/100 vs 57/100).
What is the rating of the Redmi Note 15 and the Xiaomi 15 Ultra?
The Redmi Note 15 has a MobileRank rating of 57/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Redmi Note 15 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 46/100).
Which is more powerful: the Redmi Note 15 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 55/100).
Should you choose the Redmi Note 15 over the Xiaomi 15 Ultra?
The Redmi Note 15 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.