OnePlus Ace 5 Ultra vs Redmi K100 Pro Max
The OnePlus Ace 5 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Redmi K100 Pro Max (2026) runs on the Snapdragon 8 Elite Gen 5; launch prices were $350 and $730. By overall MobileRank rating, the Redmi K100 Pro Max leads — 93/100 vs 71/100 (a 22-point difference). Key differences: the Redmi K100 Pro Max has the bigger battery (9070 mAh vs 6700); the main camera is 50 MP vs 200 MP; the Redmi K100 Pro Max is faster in AnTuTu (3,722,803 vs 2,948,304).
Profile comparison
Category scores
OnePlus Ace 5 Ultra
Redmi K100 Pro Max
What makes OnePlus Ace 5 Ultra better?
- Cheaper at launch: $350 vs $730
- Better display (94/100 vs 91/100)
What makes Redmi K100 Pro Max better?
- Higher AnTuTu: 3722803 vs 2948304
- Better Geekbench Single: 3639 vs 2729
- Better Geekbench Multi: 11047 vs 8430
- Bigger battery: 9070 vs 6700 mAh
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 185Hz vs 144Hz
- Higher performance (97/100 vs 89/100)
- Better camera (90/100 vs 35/100)
- Longer battery life (95/100 vs 70/100)
Comparison verdict
Comparing the OnePlus Ace 5 Ultra vs the Redmi K100 Pro Max, the Redmi K100 Pro Max scores 22 points higher (93/100 vs 71/100). In the "camera" category, the Redmi K100 Pro Max leads (90/100 vs 35/100). In the "battery" category, the Redmi K100 Pro Max leads (95/100 vs 70/100). Value score: OnePlus Ace 5 Ultra — 76/100, Redmi K100 Pro Max — 100/100; 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 K100 Pro Max is a bit better (97/100 vs 89/100). In the "display" category, the OnePlus Ace 5 Ultra and the Redmi K100 Pro Max are nearly equal (94/100 vs 91/100). In the "camera" category, the Redmi K100 Pro Max significantly outperforms the OnePlus Ace 5 Ultra (90/100 vs 35/100). In the "battery" category, the Redmi K100 Pro Max notably outperforms the OnePlus Ace 5 Ultra (95/100 vs 70/100).
Specs comparison
| Specification | OnePlus Ace 5 Ultra | Redmi K100 Pro Max | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2948304 | 3722803 | |
| Geekbench Single | 2729 | 3639 | |
| Geekbench Multi | 8430 | 11047 | |
| Display | 6.8" AMOLED | 6.9" AMOLED | |
| Resolution | 1272x2800 | 1200x2608 | |
| Refresh rate | 144 Hz | 185 Hz | |
| Battery | 6700 mAh | 9070 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15, ColorOS 15 | Android 16 | |
| Brightness (peak) | 1400 nits | 4500 nits | |
| NFC | yes | yes | |
| Protection | IP65 | IP69 | |
| Dimensions | 163.4×77.0×8.1 mm | — | |
| Weight | 206 g | — | |
| Launch price | $350 | $730 |
Camera comparison
OnePlus Ace 5 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K100 Pro Max
- Main: 200MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
OnePlus Ace 5 Ultra
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 144 Hz
Redmi K100 Pro Max
- 6.9" AMOLED
- Resolution: 1200x2608
- Refresh rate: 185 Hz
Battery and charging
OnePlus Ace 5 Ultra
- 6700 mAh
- Wired: 100W
- No wireless charging
Redmi K100 Pro Max
- 9070 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared OnePlus Ace 5 Ultra and Redmi K100 Pro Max, covering their specs and all relevant benchmarks.
Redmi K100 Pro Max leads OnePlus Ace 5 Ultra by 20.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $380. OnePlus Ace 5 Ultra was $380 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K100 Pro Max is a bit better (97/100 vs 89/100).
display
In the "display" category, the OnePlus Ace 5 Ultra and the Redmi K100 Pro Max are nearly equal (94/100 vs 91/100).
camera
In the "camera" category, the Redmi K100 Pro Max significantly outperforms the OnePlus Ace 5 Ultra (90/100 vs 35/100).
battery
In the "battery" category, the Redmi K100 Pro Max notably outperforms the OnePlus Ace 5 Ultra (95/100 vs 70/100).
Frequently asked questions
Which is better: the OnePlus Ace 5 Ultra or the Redmi K100 Pro Max?
The Redmi K100 Pro Max significantly outperforms the OnePlus Ace 5 Ultra by 22 points (93/100 vs 71/100).
What is the rating of the OnePlus Ace 5 Ultra and the Redmi K100 Pro Max?
The OnePlus Ace 5 Ultra has a MobileRank rating of 71/100, the Redmi K100 Pro Max — 93/100.
Which has the better camera: the OnePlus Ace 5 Ultra or the Redmi K100 Pro Max?
The Redmi K100 Pro Max leads on camera score (90/100 vs 35/100).
Which is more powerful: the OnePlus Ace 5 Ultra or the Redmi K100 Pro Max?
The Redmi K100 Pro Max leads on performance (97/100 vs 89/100).
Should you choose the OnePlus Ace 5 Ultra over the Redmi K100 Pro Max?
The OnePlus Ace 5 Ultra is a better fit for gamers and power users, budget-conscious buyers. The Redmi K100 Pro Max is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.