Redmi K80 Ultra vs Redmi Note 9S
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Redmi Note 9S (2020) runs on the Qualcomm Snapdragon 720G; launch prices were $350 and $200. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 39/100 (a 34-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5020); the main camera is 50 MP vs 48 MP; the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 514,398); the Redmi K80 Ultra has NFC for contactless payments, the Redmi Note 9S doesn't.
Redmi K80 Ultra
Redmi Note 9S
- Higher AnTuTu: 2876004 vs 514398
- Better Geekbench Single: 2729 vs 746
- Better Geekbench Multi: 8430 vs 1762
- Bigger battery: 7410 vs 5020 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (89/100 vs 41/100)
- Better camera (37/100 vs 34/100)
- Longer battery life (86/100 vs 43/100)
- Better display (94/100 vs 42/100)
- Lighter: 210g vs 219g
- Cheaper at launch: $200 vs $350
- Better portability (44/100 vs 40/100)
Comparing the Redmi K80 Ultra vs the Redmi Note 9S, the Redmi K80 Ultra scores 34 points higher (73/100 vs 39/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 41/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 43/100). Value score: Redmi K80 Ultra — 86/100, Redmi Note 9S — 40/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K80 Ultra significantly outperforms the Redmi Note 9S (89/100 vs 41/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Redmi Note 9S (94/100 vs 42/100). In the "camera" category, the Redmi K80 Ultra and the Redmi Note 9S are nearly equal (37/100 vs 34/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Redmi Note 9S (86/100 vs 43/100). In the "portability" category, the Redmi Note 9S and the Redmi K80 Ultra are nearly equal (44/100 vs 40/100).
| Specification | Redmi K80 Ultra | Redmi Note 9S | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Qualcomm Snapdragon 720G | |
| AnTuTu | 2876004 | 514398 | |
| Geekbench Single | 2729 | 746 | |
| Geekbench Multi | 8430 | 1762 | |
| Display | 6.8" OLED | 6.7" IPS LCD | |
| Resolution | 1280x2772 | 2400x1080 | |
| Refresh rate | 144 Hz | 60 Hz | |
| Battery | 7410 mAh | 5020 mAh | |
| Charging | 100W | 18W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB | |
| Storage | 256GB / 512GB / 1TB | 64GB / 128GB | |
| OS | Android 15 | Android 10 | |
| Brightness (peak) | 3200 nits | 450 nits | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | — | 165.8×76.7×8.8 mm | |
| Weight | 219 g | 210 g | |
| Launch price | $350 | $200 |
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Redmi Note 9S
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Redmi Note 9S
- 6.7" IPS LCD
- Resolution: 2400x1080
- Refresh rate: 60 Hz
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Redmi Note 9S
- 5020 mAh
- Wired: 18W
- No wireless charging
We compared Redmi K80 Ultra and Redmi Note 9S, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Redmi Note 9S by 459.1% in our overall performance rating.
Launch price difference: $150. Redmi Note 9S was $150 cheaper at launch.
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Redmi Note 9S (89/100 vs 41/100).
display
In the "display" category, the Redmi K80 Ultra significantly outperforms the Redmi Note 9S (94/100 vs 42/100).
camera
In the "camera" category, the Redmi K80 Ultra and the Redmi Note 9S are nearly equal (37/100 vs 34/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Redmi Note 9S (86/100 vs 43/100).
portability
In the "portability" category, the Redmi Note 9S and the Redmi K80 Ultra are nearly equal (44/100 vs 40/100).
Which is better: the Redmi K80 Ultra or the Redmi Note 9S?
The Redmi K80 Ultra significantly outperforms the Redmi Note 9S by 34 points (73/100 vs 39/100).
What is the rating of the Redmi K80 Ultra and the Redmi Note 9S?
The Redmi K80 Ultra has a MobileRank rating of 73/100, the Redmi Note 9S — 39/100.
Which is more powerful: the Redmi K80 Ultra or the Redmi Note 9S?
The Redmi K80 Ultra leads on performance (89/100 vs 41/100).
Should you choose the Redmi K80 Ultra over the Redmi Note 9S?
The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Redmi Note 9S is a better fit for everyday use.