OnePlus Ace 6 Ultra vs Xiaomi Mix Fold 4
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Xiaomi Mix Fold 4 (2024) runs on the Qualcomm Snapdragon 8 Gen 3. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 74/100 vs 72/100 (a 2-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 5100); the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 2,345,563); the Xiaomi Mix Fold 4 is thinner (4.6mm vs 8.5mm).
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Xiaomi Mix Fold 4
What makes OnePlus Ace 6 Ultra better?
- Higher AnTuTu: 3429868 vs 2345563
- Better Geekbench Single: 3352 vs 2203
- Better Geekbench Multi: 10402 vs 6511
- Bigger battery: 8600 vs 5100 mAh
- Faster charging: 120W vs 67W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 217g vs 226g
- Higher performance (94/100 vs 82/100)
- Longer battery life (82/100 vs 70/100)
- Better display (94/100 vs 81/100)
What makes Xiaomi Mix Fold 4 better?
- Better camera (58/100 vs 35/100)
- Better portability (59/100 vs 43/100)
Comparison verdict
Comparing the OnePlus Ace 6 Ultra vs the Xiaomi Mix Fold 4, the OnePlus Ace 6 Ultra scores 2 points higher (74/100 vs 72/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (94/100 vs 82/100). In the "camera" category, the Xiaomi Mix Fold 4 leads (58/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 70/100). In the "performance" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 82/100). In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 81/100). In the "camera" category, the Xiaomi Mix Fold 4 notably outperforms the OnePlus Ace 6 Ultra (58/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 70/100). In the "portability" category, the Xiaomi Mix Fold 4 notably outperforms the OnePlus Ace 6 Ultra (59/100 vs 43/100).
Specs comparison
| Specification | OnePlus Ace 6 Ultra | Xiaomi Mix Fold 4 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Gen 3 | |
| AnTuTu | 3429868 | 2345563 | |
| Geekbench Single | 3352 | 2203 | |
| Geekbench Multi | 10402 | 6511 | |
| Display | 6.8" AMOLED | 8.0" Foldable LTPO AMOLED | |
| Resolution | 1272x2772 | 2224x2488 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8600 mAh | 5100 mAh | |
| Charging | 120W | 67W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 14, HyperOS | |
| Brightness (peak) | 1800 nits | 3000 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IPX8 | |
| Dimensions | 162.5×77.5×8.5 mm | 159.4×143.3×4.6 mm | |
| Weight | 217 g | 226 g | |
| Launch price | $555 | — |
Camera comparison
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi Mix Fold 4
- Main: 50MP f/1.7
- Ultrawide: 12MP
- Telephoto: 50MP
- Front: 16MP
Display comparison
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Xiaomi Mix Fold 4
- 8.0" Foldable LTPO AMOLED
- Resolution: 2224x2488
- Refresh rate: 120 Hz
Battery and charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Xiaomi Mix Fold 4
- 5100 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared OnePlus Ace 6 Ultra and Xiaomi Mix Fold 4, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Xiaomi Mix Fold 4 by 46.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Xiaomi Mix Fold 4
Price unknownDetailed category analysis
performance
In the "performance" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 82/100).
display
In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 81/100).
camera
In the "camera" category, the Xiaomi Mix Fold 4 notably outperforms the OnePlus Ace 6 Ultra (58/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 70/100).
portability
In the "portability" category, the Xiaomi Mix Fold 4 notably outperforms the OnePlus Ace 6 Ultra (59/100 vs 43/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the Xiaomi Mix Fold 4?
The OnePlus Ace 6 Ultra edges out the Xiaomi Mix Fold 4 by just 2 points — the two devices are very close in overall level.
What is the rating of the OnePlus Ace 6 Ultra and the Xiaomi Mix Fold 4?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Xiaomi Mix Fold 4 — 72/100.
Which has the better camera: the OnePlus Ace 6 Ultra or the Xiaomi Mix Fold 4?
The Xiaomi Mix Fold 4 leads on camera score (58/100 vs 35/100).
Which is more powerful: the OnePlus Ace 6 Ultra or the Xiaomi Mix Fold 4?
The OnePlus Ace 6 Ultra leads on performance (94/100 vs 82/100).
Should you choose the OnePlus Ace 6 Ultra over the Xiaomi Mix Fold 4?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life. The Xiaomi Mix Fold 4 is a better fit for gamers and power users.