Redmi Note 15 vs Xiaomi 17 Ultra (China)
The Redmi Note 15 (2026) runs on the Qualcomm Snapdragon 6 Gen 3, while the Xiaomi 17 Ultra (China) (2025) runs on the Snapdragon 8 Elite Gen 5; launch prices were $229 and $892. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 57/100 (a 30-point difference). Key differences: the Xiaomi 17 Ultra (China) has the bigger battery (6800 mAh vs 5520); the main camera is 108 MP vs 50 MP; the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,942,923 vs 822,983); the Redmi Note 15 is noticeably lighter (178g vs 224g).
Redmi Note 15
Xiaomi 17 Ultra (China)
- Better main camera: 108MP vs 50MP
- Lighter: 178g vs 224g
- Cheaper at launch: $229 vs $892
- Better portability (79/100 vs 42/100)
- Higher AnTuTu: 3942923 vs 822983
- Better Geekbench Single: 3640 vs 1015
- Better Geekbench Multi: 11033 vs 2920
- Bigger battery: 6800 vs 5520 mAh
- Faster charging: 90W vs 45W
- Higher performance (98/100 vs 55/100)
- Better camera (87/100 vs 46/100)
- Longer battery life (83/100 vs 54/100)
- Better display (81/100 vs 79/100)
Comparing the Redmi Note 15 vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 30 points higher (87/100 vs 57/100). In the "performance" category, the Xiaomi 17 Ultra (China) leads (98/100 vs 55/100). In the "camera" category, the Xiaomi 17 Ultra (China) leads (87/100 vs 46/100). In the "battery" category, the Xiaomi 17 Ultra (China) leads (83/100 vs 54/100). Value score: Redmi Note 15 — 72/100, Xiaomi 17 Ultra (China) — 86/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Redmi Note 15 (98/100 vs 55/100). In the "display" category, the Xiaomi 17 Ultra (China) and the Redmi Note 15 are nearly equal (81/100 vs 79/100). In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Redmi Note 15 (87/100 vs 46/100). In the "battery" category, the Xiaomi 17 Ultra (China) notably outperforms the Redmi Note 15 (83/100 vs 54/100). In the "portability" category, the Redmi Note 15 significantly outperforms the Xiaomi 17 Ultra (China) (79/100 vs 42/100).
| Specification | Redmi Note 15 | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6 Gen 3 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 822983 | 3942923 | |
| Geekbench Single | 1015 | 3640 | |
| Geekbench Multi | 2920 | 11033 | |
| Display | 6.8" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 2392x1080 | 1200x2608 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5520 mAh | 6800 mAh | |
| Charging | 45W | 90W | |
| Wireless charging | 0W | 50W | |
| Main camera | 108 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 20 MP | 50 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 512GB / 1TB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 3200 nits | — | |
| NFC | yes | yes | |
| Protection | IP66 | IP68/IP69 | |
| Dimensions | 164.0×75.4×7.4 mm | 162.9×77.6×8.3 mm | |
| Weight | 178 g | 224 g | |
| Launch price | $229 | $892 |
Redmi Note 15
- Main: 108MP
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Redmi Note 15
- 6.8" AMOLED
- Resolution: 2392x1080
- Refresh rate: 120 Hz
Xiaomi 17 Ultra (China)
- 6.9" LTPO AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Redmi Note 15
- 5520 mAh
- Wired: 45W
- No wireless charging
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
We compared Redmi Note 15 and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra (China) leads Redmi Note 15 by 79.1% in our overall performance rating.
Launch price difference: $663. Redmi Note 15 was $663 cheaper at launch.
performance
In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Redmi Note 15 (98/100 vs 55/100).
display
In the "display" category, the Xiaomi 17 Ultra (China) and the Redmi Note 15 are nearly equal (81/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Redmi Note 15 (87/100 vs 46/100).
battery
In the "battery" category, the Xiaomi 17 Ultra (China) notably outperforms the Redmi Note 15 (83/100 vs 54/100).
portability
In the "portability" category, the Redmi Note 15 significantly outperforms the Xiaomi 17 Ultra (China) (79/100 vs 42/100).
Which is better: the Redmi Note 15 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) significantly outperforms the Redmi Note 15 by 30 points (87/100 vs 57/100).
What is the rating of the Redmi Note 15 and the Xiaomi 17 Ultra (China)?
The Redmi Note 15 has a MobileRank rating of 57/100, the Xiaomi 17 Ultra (China) — 87/100.
Which has the better camera: the Redmi Note 15 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 46/100).
Which is more powerful: the Redmi Note 15 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 55/100).
Should you choose the Redmi Note 15 over the Xiaomi 17 Ultra (China)?
The Redmi Note 15 is a better fit for everyday use. The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.