OnePlus Ace 5 Ultra vs Redmi K90
The OnePlus Ace 5 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $350 and $401. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 71/100 (a 5-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 6700); the Redmi K90 is faster in AnTuTu (3,077,585 vs 2,948,304).
Profile comparison
Category scores
OnePlus Ace 5 Ultra
Redmi K90
What makes OnePlus Ace 5 Ultra better?
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $350 vs $401
- Better display (94/100 vs 82/100)
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 2948304
- Better Geekbench Single: 3013 vs 2729
- Better Geekbench Multi: 9287 vs 8430
- Bigger battery: 7100 vs 6700 mAh
- Higher performance (91/100 vs 89/100)
- Better camera (58/100 vs 35/100)
- Longer battery life (72/100 vs 70/100)
- Better portability (55/100 vs 54/100)
Comparison verdict
Comparing the OnePlus Ace 5 Ultra vs the Redmi K90, the Redmi K90 scores 5 points higher (76/100 vs 71/100). In the "camera" category, the Redmi K90 leads (58/100 vs 35/100). Value score: OnePlus Ace 5 Ultra — 76/100, Redmi K90 — 80/100; 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 and the OnePlus Ace 5 Ultra are nearly equal (91/100 vs 89/100). In the "display" category, the OnePlus Ace 5 Ultra is a bit better (94/100 vs 82/100). In the "camera" category, the Redmi K90 notably outperforms the OnePlus Ace 5 Ultra (58/100 vs 35/100). In the "battery" category, the Redmi K90 and the OnePlus Ace 5 Ultra are nearly equal (72/100 vs 70/100). In the "portability" category, the Redmi K90 and the OnePlus Ace 5 Ultra are nearly equal (55/100 vs 54/100).
Specs comparison
| Specification | OnePlus Ace 5 Ultra | Redmi K90 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2948304 | 3077585 | |
| Geekbench Single | 2729 | 3013 | |
| Geekbench Multi | 8430 | 9287 | |
| Display | 6.8" AMOLED | 6.6" AMOLED | |
| Resolution | 1272x2800 | 2510x1156 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 6700 mAh | 7100 mAh | |
| Charging | 100W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 15, ColorOS 15 | Android 16 | |
| Brightness (peak) | 1400 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP65 | IP68 | |
| Dimensions | 163.4×77.0×8.1 mm | 157.5×75.3×8.0 mm | |
| Weight | 206 g | 206 g | |
| Launch price | $350 | $401 |
Camera comparison
OnePlus Ace 5 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
OnePlus Ace 5 Ultra
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 144 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Battery and charging
OnePlus Ace 5 Ultra
- 6700 mAh
- Wired: 100W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OnePlus Ace 5 Ultra and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads OnePlus Ace 5 Ultra by 4.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $51. OnePlus Ace 5 Ultra was $51 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 and the OnePlus Ace 5 Ultra are nearly equal (91/100 vs 89/100).
display
In the "display" category, the OnePlus Ace 5 Ultra is a bit better (94/100 vs 82/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the OnePlus Ace 5 Ultra (58/100 vs 35/100).
battery
In the "battery" category, the Redmi K90 and the OnePlus Ace 5 Ultra are nearly equal (72/100 vs 70/100).
portability
In the "portability" category, the Redmi K90 and the OnePlus Ace 5 Ultra are nearly equal (55/100 vs 54/100).
Frequently asked questions
Which is better: the OnePlus Ace 5 Ultra or the Redmi K90?
The Redmi K90 edges out the OnePlus Ace 5 Ultra by just 5 points — the two devices are very close in overall level.
What is the rating of the OnePlus Ace 5 Ultra and the Redmi K90?
The OnePlus Ace 5 Ultra has a MobileRank rating of 71/100, the Redmi K90 — 76/100.
Which has the better camera: the OnePlus Ace 5 Ultra or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 35/100).
Should you choose the OnePlus Ace 5 Ultra over the Redmi K90?
The OnePlus Ace 5 Ultra is a better fit for gamers and power users, budget-conscious buyers. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.