Redmi 15 vs Xiaomi 15 Ultra
The Redmi 15 (2026) runs on the Qualcomm Snapdragon 685, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $180 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 45/100 (a 40-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 5500); the main camera is 108 MP vs 50 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 467,392); the Redmi 15 is noticeably lighter (195g vs 225g).
Redmi 15
Xiaomi 15 Ultra
- Better main camera: 108MP vs 50MP
- Lighter: 195g vs 225g
- Cheaper at launch: $180 vs $999
- Better portability (57/100 vs 29/100)
- Higher AnTuTu: 3030376 vs 467392
- Better Geekbench Single: 3050 vs 466
- Better Geekbench Multi: 10200 vs 1396
- Bigger battery: 6000 vs 5500 mAh
- Faster charging: 90W vs 33W
- Higher performance (92/100 vs 33/100)
- Better camera (87/100 vs 40/100)
- Longer battery life (80/100 vs 52/100)
- Better display (90/100 vs 78/100)
Comparing the Redmi 15 vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 40 points higher (85/100 vs 45/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 33/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 40/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 52/100). Value score: Redmi 15 — 58/100, 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 15 (92/100 vs 33/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 78/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Redmi 15 (87/100 vs 40/100). In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Redmi 15 (80/100 vs 52/100). In the "portability" category, the Redmi 15 notably outperforms the Xiaomi 15 Ultra (57/100 vs 29/100).
| Specification | Redmi 15 | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 467392 | 3030376 | |
| Geekbench Single | 466 | 3050 | |
| Geekbench Multi | 1396 | 10200 | |
| Display | 6.8" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1080x2340 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5500 mAh | 6000 mAh | |
| Charging | 33W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 108 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 13 MP | 32 MP | |
| RAM | 6GB / 8GB | 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15, HyperOS 2.2 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 850 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 169.5×80.5×8.4 mm | 161.3×75.3×9.4 mm | |
| Weight | 195 g | 225 g | |
| Launch price | $180 | $999 |
Redmi 15
- Main: 108MP
- Front: 13MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi 15
- 6.8" AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Redmi 15
- 5500 mAh
- Wired: 33W
- 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 15 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Redmi 15 by 84.6% in our overall performance rating.
Launch price difference: $819. Redmi 15 was $819 cheaper at launch.
performance
In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Redmi 15 (92/100 vs 33/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 78/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Redmi 15 (87/100 vs 40/100).
battery
In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Redmi 15 (80/100 vs 52/100).
portability
In the "portability" category, the Redmi 15 notably outperforms the Xiaomi 15 Ultra (57/100 vs 29/100).
Which is better: the Redmi 15 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the Redmi 15 by 40 points (85/100 vs 45/100).
What is the rating of the Redmi 15 and the Xiaomi 15 Ultra?
The Redmi 15 has a MobileRank rating of 45/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Redmi 15 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 40/100).
Which is more powerful: the Redmi 15 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 33/100).
Should you choose the Redmi 15 over the Xiaomi 15 Ultra?
The Redmi 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.