OnePlus Ace 5 Ultra vs Redmi K90 Max
The OnePlus Ace 5 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 71/100 (a 4-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 6700); the Redmi K90 Max is faster in AnTuTu (3,760,662 vs 2,948,304); the OnePlus Ace 5 Ultra is noticeably lighter (206g vs 227g).
Profile comparison
Category scores
OnePlus Ace 5 Ultra
Redmi K90 Max
What makes OnePlus Ace 5 Ultra better?
- Lighter: 206g vs 227g
- Cheaper at launch: $350 vs $504
- Better portability (54/100 vs 41/100)
What makes Redmi K90 Max better?
- Higher AnTuTu: 3760662 vs 2948304
- Better Geekbench Single: 3293 vs 2729
- Better Geekbench Multi: 10243 vs 8430
- Bigger battery: 8550 vs 6700 mAh
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (96/100 vs 89/100)
- Better camera (37/100 vs 35/100)
- Longer battery life (78/100 vs 70/100)
Comparison verdict
Comparing the OnePlus Ace 5 Ultra vs the Redmi K90 Max, the Redmi K90 Max scores 4 points higher (75/100 vs 71/100). Value score: OnePlus Ace 5 Ultra — 76/100, 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, the Redmi K90 Max and the OnePlus Ace 5 Ultra are nearly equal (37/100 vs 35/100). In the "battery" category, the Redmi K90 Max is a bit better (78/100 vs 70/100). In the "portability" category, the OnePlus Ace 5 Ultra is a bit better (54/100 vs 41/100).
Specs comparison
| Specification | OnePlus Ace 5 Ultra | Redmi K90 Max | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | MediaTek Dimensity 9500 | |
| AnTuTu | 2948304 | 3760662 | |
| Geekbench Single | 2729 | 3293 | |
| Geekbench Multi | 8430 | 10243 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1272x2800 | 2772x1280 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 6700 mAh | 8550 mAh | |
| Charging | 100W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15, ColorOS 15 | Android 16 | |
| Brightness (peak) | 1400 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP65 | IP66 | |
| Dimensions | 163.4×77.0×8.1 mm | 162.9×77.9×8.1 mm | |
| Weight | 206 g | 227 g | |
| Launch price | $350 | $504 |
Camera comparison
OnePlus Ace 5 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Max
- Main: 50MP f/1.68
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OnePlus Ace 5 Ultra
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 144 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Battery and charging
OnePlus Ace 5 Ultra
- 6700 mAh
- Wired: 100W
- No wireless charging
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OnePlus Ace 5 Ultra and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads OnePlus Ace 5 Ultra by 21.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $154. OnePlus Ace 5 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, the Redmi K90 Max and the OnePlus Ace 5 Ultra are nearly equal (37/100 vs 35/100).
battery
In the "battery" category, the Redmi K90 Max is a bit better (78/100 vs 70/100).
portability
In the "portability" category, the OnePlus Ace 5 Ultra is a bit better (54/100 vs 41/100).
Frequently asked questions
Which is better: the OnePlus Ace 5 Ultra or the Redmi K90 Max?
The Redmi K90 Max edges out the OnePlus Ace 5 Ultra by just 4 points — the two devices are very close in overall level.
What is the rating of the OnePlus Ace 5 Ultra and the Redmi K90 Max?
The OnePlus Ace 5 Ultra has a MobileRank rating of 71/100, the Redmi K90 Max — 75/100.
Which is more powerful: the OnePlus Ace 5 Ultra or the Redmi K90 Max?
The Redmi K90 Max leads on performance (96/100 vs 89/100).
Should you choose the OnePlus Ace 5 Ultra over the Redmi K90 Max?
The OnePlus Ace 5 Ultra is a better fit for gamers and power users, budget-conscious buyers. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.