Redmi K80 Ultra vs Redmi K90 Max
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500; launch prices were $350 and $504. By overall MobileRank rating, the Redmi K90 Max leads — 75/100 vs 73/100 (a 2-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 7410); the Redmi K90 Max is faster in AnTuTu (3,760,662 vs 2,874,956).
Profile comparison
Category scores
Redmi K80 Ultra
Redmi K90 Max
What makes Redmi K80 Ultra better?
- Lighter: 219g vs 227g
- Cheaper at launch: $350 vs $504
- Longer battery life (86/100 vs 78/100)
What makes Redmi K90 Max better?
- Higher AnTuTu: 3760662 vs 2874956
- Better Geekbench Single: 3293 vs 2729
- Better Geekbench Multi: 10243 vs 8430
- Bigger battery: 8550 vs 7410 mAh
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (96/100 vs 89/100)
- Better portability (41/100 vs 40/100)
Comparison verdict
Comparing the Redmi K80 Ultra vs the Redmi K90 Max, the Redmi K90 Max scores 2 points higher (75/100 vs 73/100). Value score: Redmi K80 Ultra — 80/100, Redmi K90 Max — 72/100; 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 Redmi K90 Max is a bit better (96/100 vs 89/100). In the "display" category, both devices are on the same level — 94/100. In the "camera" category, both devices are on the same level — 37/100. In the "battery" category, the Redmi K80 Ultra is a bit better (86/100 vs 78/100). In the "portability" category, the Redmi K90 Max and the Redmi K80 Ultra are nearly equal (41/100 vs 40/100).
Specs comparison
| Specification | Redmi K80 Ultra | Redmi K90 Max | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | MediaTek Dimensity 9500 | |
| AnTuTu | 2874956 | 3760662 | |
| Geekbench Single | 2729 | 3293 | |
| Geekbench Multi | 8430 | 10243 | |
| Display | 6.8" OLED | 6.8" AMOLED | |
| Resolution | 1280x2772 | 2772x1280 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 7410 mAh | 8550 mAh | |
| Charging | 100W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 3200 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP66 | |
| Dimensions | — | 162.9×77.9×8.1 mm | |
| Weight | 219 g | 227 g | |
| Launch price | $350 | $504 |
Camera comparison
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Redmi K90 Max
- Main: 50MP f/1.68
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Battery and charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Redmi K80 Ultra and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Redmi K80 Ultra by 23.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $154. Redmi K80 Ultra was $154 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Max is a bit better (96/100 vs 89/100).
display
In the "display" category, both devices are on the same level — 94/100.
camera
In the "camera" category, both devices are on the same level — 37/100.
battery
In the "battery" category, the Redmi K80 Ultra is a bit better (86/100 vs 78/100).
portability
In the "portability" category, the Redmi K90 Max and the Redmi K80 Ultra are nearly equal (41/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K80 Ultra or the Redmi K90 Max?
The Redmi K90 Max edges out the Redmi K80 Ultra by just 2 points — the two devices are very close in overall level.
What is the rating of the Redmi K80 Ultra and the Redmi K90 Max?
The Redmi K80 Ultra has a MobileRank rating of 73/100, the Redmi K90 Max — 75/100.
Which is more powerful: the Redmi K80 Ultra or the Redmi K90 Max?
The Redmi K90 Max leads on performance (96/100 vs 89/100).
Should you choose the Redmi K80 Ultra over the Redmi K90 Max?
The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.