OnePlus Ace 6 Ultra vs Redmi Note 9S
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Redmi Note 9S (2020) runs on the Qualcomm Snapdragon 720G; launch prices were $555 and $200. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 74/100 vs 39/100 (a 35-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 5020); the main camera is 50 MP vs 48 MP; the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 517,460); the OnePlus Ace 6 Ultra has NFC for contactless payments, the Redmi Note 9S doesn't.
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Redmi Note 9S
What makes OnePlus Ace 6 Ultra better?
- Higher AnTuTu: 3429868 vs 517460
- Better Geekbench Single: 3293 vs 746
- Better Geekbench Multi: 10243 vs 1762
- Bigger battery: 8600 vs 5020 mAh
- Faster charging: 120W vs 18W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (94/100 vs 41/100)
- Better camera (35/100 vs 34/100)
- Longer battery life (82/100 vs 43/100)
- Better display (94/100 vs 42/100)
What makes Redmi Note 9S better?
- Lighter: 210g vs 217g
- Cheaper at launch: $200 vs $555
- Better portability (44/100 vs 43/100)
Comparison verdict
Comparing the OnePlus Ace 6 Ultra vs the Redmi Note 9S, the OnePlus Ace 6 Ultra scores 35 points higher (74/100 vs 39/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (94/100 vs 41/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 43/100). Value score: OnePlus Ace 6 Ultra — 66/100, Redmi Note 9S — 38/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 9S (94/100 vs 41/100). In the "display" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 9S (94/100 vs 42/100). In the "camera" category, the OnePlus Ace 6 Ultra and the Redmi Note 9S are nearly equal (35/100 vs 34/100). In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 9S (82/100 vs 43/100). In the "portability" category, the Redmi Note 9S and the OnePlus Ace 6 Ultra are nearly equal (44/100 vs 43/100).
Specs comparison
| Specification | OnePlus Ace 6 Ultra | Redmi Note 9S | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 720G | |
| AnTuTu | 3429868 | 517460 | |
| Geekbench Single | 3293 | 746 | |
| Geekbench Multi | 10243 | 1762 | |
| Display | 6.8" AMOLED | 6.7" IPS LCD | |
| Resolution | 1272x2772 | 2400x1080 | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 8600 mAh | 5020 mAh | |
| Charging | 120W | 18W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB | |
| Storage | 256GB / 512GB / 1TB | 64GB / 128GB | |
| OS | Android 16 | Android 10 | |
| Brightness (peak) | 1800 nits | 450 nits | |
| NFC | yes | no | |
| Protection | IP66 | — | |
| Dimensions | 162.5×77.5×8.5 mm | 165.8×76.7×8.8 mm | |
| Weight | 217 g | 210 g | |
| Launch price | $555 | $200 |
Camera comparison
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi Note 9S
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Display comparison
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Redmi Note 9S
- 6.7" IPS LCD
- Resolution: 2400x1080
- Refresh rate: 60 Hz
Battery and charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Redmi Note 9S
- 5020 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared OnePlus Ace 6 Ultra and Redmi Note 9S, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Redmi Note 9S by 562.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $355. Redmi Note 9S was $355 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 9S (94/100 vs 41/100).
display
In the "display" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 9S (94/100 vs 42/100).
camera
In the "camera" category, the OnePlus Ace 6 Ultra and the Redmi Note 9S are nearly equal (35/100 vs 34/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 9S (82/100 vs 43/100).
portability
In the "portability" category, the Redmi Note 9S and the OnePlus Ace 6 Ultra are nearly equal (44/100 vs 43/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the Redmi Note 9S?
The OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 9S by 35 points (74/100 vs 39/100).
What is the rating of the OnePlus Ace 6 Ultra and the Redmi Note 9S?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Redmi Note 9S — 39/100.
Which is more powerful: the OnePlus Ace 6 Ultra or the Redmi Note 9S?
The OnePlus Ace 6 Ultra leads on performance (94/100 vs 41/100).
Should you choose the OnePlus Ace 6 Ultra over the Redmi Note 9S?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life.