Redmi Note 9S vs Xiaomi 15 Ultra
The Redmi Note 9S (2020) runs on the Qualcomm Snapdragon 720G, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $200 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 39/100 (a 46-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 5020); the main camera is 48 MP vs 50 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 514,398); the Xiaomi 15 Ultra has NFC for contactless payments, the Redmi Note 9S doesn't; the Redmi Note 9S is noticeably lighter (210g vs 225g).
Redmi Note 9S
Xiaomi 15 Ultra
- Lighter: 210g vs 225g
- Cheaper at launch: $200 vs $999
- Better portability (44/100 vs 29/100)
- Higher AnTuTu: 3030376 vs 514398
- Better Geekbench Single: 3050 vs 746
- Better Geekbench Multi: 10200 vs 1762
- Bigger battery: 6000 vs 5020 mAh
- Faster charging: 90W vs 18W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (92/100 vs 41/100)
- Better camera (87/100 vs 34/100)
- Longer battery life (80/100 vs 43/100)
- Better display (90/100 vs 42/100)
Comparing the Redmi Note 9S vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 46 points higher (85/100 vs 39/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 41/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 34/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 43/100). Value score: Redmi Note 9S — 40/100, 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 9S (92/100 vs 41/100). In the "display" category, the Xiaomi 15 Ultra significantly outperforms the Redmi Note 9S (90/100 vs 42/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Redmi Note 9S (87/100 vs 34/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Redmi Note 9S (80/100 vs 43/100). In the "portability" category, the Redmi Note 9S notably outperforms the Xiaomi 15 Ultra (44/100 vs 29/100).
| Specification | Redmi Note 9S | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 720G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 514398 | 3030376 | |
| Geekbench Single | 746 | 3050 | |
| Geekbench Multi | 1762 | 10200 | |
| Display | 6.7" IPS LCD | 6.7" LTPO AMOLED | |
| Resolution | 2400x1080 | 3200x1440 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 5020 mAh | 6000 mAh | |
| Charging | 18W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 4GB / 6GB | 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 10 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 450 nits | 3200 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 165.8×76.7×8.8 mm | 161.3×75.3×9.4 mm | |
| Weight | 210 g | 225 g | |
| Launch price | $200 | $999 |
Redmi Note 9S
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi Note 9S
- 6.7" IPS LCD
- Resolution: 2400x1080
- Refresh rate: 60 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Redmi Note 9S
- 5020 mAh
- Wired: 18W
- 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 9S and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Redmi Note 9S by 83.0% in our overall performance rating.
Launch price difference: $799. Redmi Note 9S was $799 cheaper at launch.
performance
In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Redmi Note 9S (92/100 vs 41/100).
display
In the "display" category, the Xiaomi 15 Ultra significantly outperforms the Redmi Note 9S (90/100 vs 42/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Redmi Note 9S (87/100 vs 34/100).
battery
In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Redmi Note 9S (80/100 vs 43/100).
portability
In the "portability" category, the Redmi Note 9S notably outperforms the Xiaomi 15 Ultra (44/100 vs 29/100).
Which is better: the Redmi Note 9S or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the Redmi Note 9S by 46 points (85/100 vs 39/100).
What is the rating of the Redmi Note 9S and the Xiaomi 15 Ultra?
The Redmi Note 9S has a MobileRank rating of 39/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Redmi Note 9S or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 34/100).
Which is more powerful: the Redmi Note 9S or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 41/100).
Should you choose the Redmi Note 9S over the Xiaomi 15 Ultra?
The Redmi Note 9S 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.