OnePlus Ace 5 Ultra vs Vivo X300 Ultra
The OnePlus Ace 5 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; estimated prices are $350 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 71/100 (a 20-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 6700); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 2,948,304); the OnePlus Ace 5 Ultra is noticeably lighter (206g vs 230g).
OnePlus Ace 5 Ultra
Vivo X300 Ultra
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 206g vs 230g
- Cheaper: $350 vs $950
- Better display (94/100 vs 89/100)
- Better portability (54/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 2948304
- Better Geekbench Single: 3640 vs 2729
- Better Geekbench Multi: 11033 vs 8430
- Bigger battery: 7000 vs 6700 mAh
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 89/100)
- Better camera (96/100 vs 35/100)
- Longer battery life (85/100 vs 70/100)
- Better value for money (94/100 vs 82/100)
Comparing the OnePlus Ace 5 Ultra vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 20 points higher (91/100 vs 71/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 89/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 35/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 70/100). In the "value for money" category, the Vivo X300 Ultra leads (94/100 vs 82/100). In the "performance" category, the Vivo X300 Ultra is a bit better (99/100 vs 89/100). In the "display" category, the OnePlus Ace 5 Ultra is a bit better (94/100 vs 89/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the OnePlus Ace 5 Ultra (96/100 vs 35/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the OnePlus Ace 5 Ultra (85/100 vs 70/100). In the "portability" category, the OnePlus Ace 5 Ultra notably outperforms the Vivo X300 Ultra (54/100 vs 39/100). In the "value for money" category, the Vivo X300 Ultra is a bit better (94/100 vs 82/100).
| Specification | OnePlus Ace 5 Ultra | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2948304 | 4247433 | |
| Geekbench Single | 2729 | 3640 | |
| Geekbench Multi | 8430 | 11033 | |
| Display | 6.8" AMOLED | 6.8" LTPO OLED | |
| Resolution | 1272x2800 | 3168x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 6700 mAh | 7000 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 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 | — | |
| NFC | yes | yes | |
| Protection | IP65 | IP69 | |
| Dimensions | 163.4×77.0×8.1 mm | 163.0×76.8×8.2 mm | |
| Weight | 206 g | 230 g | |
| Price | $350 | $950 |
OnePlus Ace 5 Ultra
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
OnePlus Ace 5 Ultra
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 144 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
OnePlus Ace 5 Ultra
- 6700 mAh
- Wired: 100W
- No wireless charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
We compared OnePlus Ace 5 Ultra and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads OnePlus Ace 5 Ultra by 30.6% in our overall performance rating.
Price difference: $600. OnePlus Ace 5 Ultra is cheaper by $600.
performance
In the "performance" category, the Vivo X300 Ultra is a bit better (99/100 vs 89/100).
display
In the "display" category, the OnePlus Ace 5 Ultra is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the OnePlus Ace 5 Ultra (96/100 vs 35/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the OnePlus Ace 5 Ultra (85/100 vs 70/100).
portability
In the "portability" category, the OnePlus Ace 5 Ultra notably outperforms the Vivo X300 Ultra (54/100 vs 39/100).
value for money
In the "value for money" category, the Vivo X300 Ultra is a bit better (94/100 vs 82/100).
Which is better: the OnePlus Ace 5 Ultra or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the OnePlus Ace 5 Ultra by 20 points (91/100 vs 71/100).
What is the rating of the OnePlus Ace 5 Ultra and the Vivo X300 Ultra?
The OnePlus Ace 5 Ultra has a MobileRank rating of 71/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the OnePlus Ace 5 Ultra or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 35/100).
Which is more powerful: the OnePlus Ace 5 Ultra or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 89/100).
Should you choose the OnePlus Ace 5 Ultra over the Vivo X300 Ultra?
The OnePlus Ace 5 Ultra is a better fit for gamers and power users, budget-conscious buyers. The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.