OnePlus Ace 5 Ultra vs Redmi K100
The OnePlus Ace 5 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K100 leads — 73/100 vs 71/100 (a 2-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 6700); the Redmi K100 is faster in AnTuTu (3,298,726 vs 2,948,304); the OnePlus Ace 5 Ultra is noticeably lighter (206g vs 234g).
Profile comparison
Category scores
OnePlus Ace 5 Ultra
Redmi K100
What makes OnePlus Ace 5 Ultra better?
- Lighter: 206g vs 234g
- Better portability (54/100 vs 25/100)
What makes Redmi K100 better?
- Higher AnTuTu: 3298726 vs 2948304
- Better Geekbench Single: 3013 vs 2729
- Better Geekbench Multi: 9287 vs 8430
- Bigger battery: 10000 vs 6700 mAh
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (92/100 vs 89/100)
- Better camera (37/100 vs 35/100)
- Longer battery life (80/100 vs 70/100)
Comparison verdict
Comparing the OnePlus Ace 5 Ultra vs the Redmi K100, the Redmi K100 scores 2 points higher (73/100 vs 71/100). In the "battery" category, the Redmi K100 leads (80/100 vs 70/100). In the "performance" category, the Redmi K100 and the OnePlus Ace 5 Ultra are nearly equal (92/100 vs 89/100). In the "display" category, both devices are on the same level — 94/100. In the "camera" category, the Redmi K100 and the OnePlus Ace 5 Ultra are nearly equal (37/100 vs 35/100). In the "battery" category, the Redmi K100 is a bit better (80/100 vs 70/100). In the "portability" category, the OnePlus Ace 5 Ultra notably outperforms the Redmi K100 (54/100 vs 25/100).
Specs comparison
| Specification | OnePlus Ace 5 Ultra | Redmi K100 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2948304 | 3298726 | |
| Geekbench Single | 2729 | 3013 | |
| Geekbench Multi | 8430 | 9287 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1272x2800 | 1280x2772 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 6700 mAh | 10000 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 | |
| OS | Android 15, ColorOS 15 | Android 17 | |
| Brightness (peak) | 1400 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP65 | IP68 | |
| Dimensions | 163.4×77.0×8.1 mm | — | |
| Weight | 206 g | 234 g | |
| Launch price | $350 | — |
Camera comparison
OnePlus Ace 5 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K100
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OnePlus Ace 5 Ultra
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 144 Hz
Redmi K100
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
OnePlus Ace 5 Ultra
- 6700 mAh
- Wired: 100W
- No wireless charging
Redmi K100
- 10000 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OnePlus Ace 5 Ultra and Redmi K100, covering their specs and all relevant benchmarks.
Redmi K100 leads OnePlus Ace 5 Ultra by 10.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi K100
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K100 and the OnePlus Ace 5 Ultra are nearly equal (92/100 vs 89/100).
display
In the "display" category, both devices are on the same level — 94/100.
camera
In the "camera" category, the Redmi K100 and the OnePlus Ace 5 Ultra are nearly equal (37/100 vs 35/100).
battery
In the "battery" category, the Redmi K100 is a bit better (80/100 vs 70/100).
portability
In the "portability" category, the OnePlus Ace 5 Ultra notably outperforms the Redmi K100 (54/100 vs 25/100).
Frequently asked questions
Which is better: the OnePlus Ace 5 Ultra or the Redmi K100?
The Redmi K100 edges out the OnePlus Ace 5 Ultra by just 2 points — the two devices are very close in overall level.
What is the rating of the OnePlus Ace 5 Ultra and the Redmi K100?
The OnePlus Ace 5 Ultra has a MobileRank rating of 71/100, the Redmi K100 — 73/100.
Should you choose the OnePlus Ace 5 Ultra over the Redmi K100?
The OnePlus Ace 5 Ultra is a better fit for gamers and power users, budget-conscious buyers. The Redmi K100 is a better fit for gamers and power users, those who care about battery life.