Redmi Note 9S vs Vivo iQOO 15
The Redmi Note 9S (2020) runs on the Qualcomm Snapdragon 720G, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $200 and $599. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 39/100 (a 47-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5020); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 514,398); the Vivo iQOO 15 has NFC for contactless payments, the Redmi Note 9S doesn't.
Redmi Note 9S
Vivo iQOO 15
- Lighter: 210g vs 215g
- Cheaper at launch: $200 vs $599
- Overall rating 39/100
- Higher AnTuTu: 3740528 vs 514398
- Better Geekbench Single: 3041 vs 746
- Better Geekbench Multi: 9494 vs 1762
- Bigger battery: 7000 vs 5020 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (94/100 vs 41/100)
- Better camera (78/100 vs 34/100)
- Longer battery life (85/100 vs 43/100)
- Better display (99/100 vs 42/100)
- Better portability (48/100 vs 44/100)
Comparing the Redmi Note 9S vs the Vivo iQOO 15, the Vivo iQOO 15 scores 47 points higher (86/100 vs 39/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 41/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 34/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 43/100). Value score: Redmi Note 9S — 40/100, Vivo iQOO 15 — 84/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo iQOO 15 significantly outperforms the Redmi Note 9S (94/100 vs 41/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Redmi Note 9S (99/100 vs 42/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Redmi Note 9S (78/100 vs 34/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Redmi Note 9S (85/100 vs 43/100). In the "portability" category, the Vivo iQOO 15 and the Redmi Note 9S are nearly equal (48/100 vs 44/100).
| Specification | Redmi Note 9S | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 720G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 514398 | 3740528 | |
| Geekbench Single | 746 | 3041 | |
| Geekbench Multi | 1762 | 9494 | |
| Display | 6.7" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 2400x1080 | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 5020 mAh | 7000 mAh | |
| Charging | 18W | 100W | |
| Wireless charging | 0W | 40W | |
| 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 | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 10 | Android 16 | |
| Brightness (peak) | 450 nits | 6000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 165.8×76.7×8.8 mm | 163.7×76.8×8.1 mm | |
| Weight | 210 g | 215 g | |
| Launch price | $200 | $599 |
Redmi Note 9S
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi Note 9S
- 6.7" IPS LCD
- Resolution: 2400x1080
- Refresh rate: 60 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Redmi Note 9S
- 5020 mAh
- Wired: 18W
- No wireless charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
We compared Redmi Note 9S and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Redmi Note 9S by 86.2% in our overall performance rating.
Launch price difference: $399. Redmi Note 9S was $399 cheaper at launch.
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Redmi Note 9S (94/100 vs 41/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Redmi Note 9S (99/100 vs 42/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Redmi Note 9S (78/100 vs 34/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Redmi Note 9S (85/100 vs 43/100).
portability
In the "portability" category, the Vivo iQOO 15 and the Redmi Note 9S are nearly equal (48/100 vs 44/100).
Which is better: the Redmi Note 9S or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Redmi Note 9S by 47 points (86/100 vs 39/100).
What is the rating of the Redmi Note 9S and the Vivo iQOO 15?
The Redmi Note 9S has a MobileRank rating of 39/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Redmi Note 9S or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 34/100).
Which is more powerful: the Redmi Note 9S or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 41/100).
Should you choose the Redmi Note 9S over the Vivo iQOO 15?
The Redmi Note 9S is a better fit for everyday use. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.