OnePlus Ace 5 Ultra vs Vivo X300 Pro
The OnePlus Ace 5 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Vivo X300 Pro (2025) runs on the Dimensity 9500; launch prices were $350 and $899. By overall MobileRank rating, the Vivo X300 Pro leads — 88/100 vs 71/100 (a 17-point difference). Key differences: the OnePlus Ace 5 Ultra has the bigger battery (6700 mAh vs 6510); the main camera is 50 MP vs 200 MP; the Vivo X300 Pro is faster in AnTuTu (3,326,259 vs 2,948,304); the OnePlus Ace 5 Ultra is noticeably lighter (206g vs 226g).
Profile comparison
Category scores
OnePlus Ace 5 Ultra
Vivo X300 Pro
What makes OnePlus Ace 5 Ultra better?
- Bigger battery: 6700 vs 6510 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 206g vs 226g
- Cheaper at launch: $350 vs $899
- Better display (94/100 vs 84/100)
- Better portability (54/100 vs 43/100)
What makes Vivo X300 Pro better?
- Higher AnTuTu: 3326259 vs 2948304
- Better Geekbench Single: 3293 vs 2729
- Better Geekbench Multi: 10243 vs 8430
- Better main camera: 200MP vs 50MP
- Higher performance (94/100 vs 89/100)
- Better camera (96/100 vs 35/100)
- Longer battery life (81/100 vs 70/100)
Comparison verdict
Comparing the OnePlus Ace 5 Ultra vs the Vivo X300 Pro, the Vivo X300 Pro scores 17 points higher (88/100 vs 71/100). In the "camera" category, the Vivo X300 Pro leads (96/100 vs 35/100). In the "battery" category, the Vivo X300 Pro leads (81/100 vs 70/100). Value score: OnePlus Ace 5 Ultra — 76/100, Vivo X300 Pro — 88/100; 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 Vivo X300 Pro is a bit better (94/100 vs 89/100). In the "display" category, the OnePlus Ace 5 Ultra is a bit better (94/100 vs 84/100). In the "camera" category, the Vivo X300 Pro significantly outperforms the OnePlus Ace 5 Ultra (96/100 vs 35/100). In the "battery" category, the Vivo X300 Pro is a bit better (81/100 vs 70/100). In the "portability" category, the OnePlus Ace 5 Ultra is a bit better (54/100 vs 43/100).
Specs comparison
| Specification | OnePlus Ace 5 Ultra | Vivo X300 Pro | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Dimensity 9500 | |
| AnTuTu | 2948304 | 3326259 | |
| Geekbench Single | 2729 | 3293 | |
| Geekbench Multi | 8430 | 10243 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1272x2800 | 1260x2800 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 6700 mAh | 6510 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 171 | |
| 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 | IP68 | |
| Dimensions | 163.4×77.0×8.1 mm | 161.2×75.5×8.0 mm | |
| Weight | 206 g | 226 g | |
| Launch price | $350 | $899 |
Camera comparison
OnePlus Ace 5 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo X300 Pro
- Main: 200MP f/1.57
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
OnePlus Ace 5 Ultra
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 144 Hz
Vivo X300 Pro
- 6.8" AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
Battery and charging
OnePlus Ace 5 Ultra
- 6700 mAh
- Wired: 100W
- No wireless charging
Vivo X300 Pro
- 6510 mAh
- NanoReview test: web browsing 13:30 hrs, total 24:37 hrs
- Wired: 90W
- Wireless: 40W
Overall performance score
We compared OnePlus Ace 5 Ultra and Vivo X300 Pro, covering their specs and all relevant benchmarks.
Vivo X300 Pro leads OnePlus Ace 5 Ultra by 11.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $549. OnePlus Ace 5 Ultra was $549 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Pro is a bit better (94/100 vs 89/100).
display
In the "display" category, the OnePlus Ace 5 Ultra is a bit better (94/100 vs 84/100).
camera
In the "camera" category, the Vivo X300 Pro significantly outperforms the OnePlus Ace 5 Ultra (96/100 vs 35/100).
battery
In the "battery" category, the Vivo X300 Pro is a bit better (81/100 vs 70/100).
portability
In the "portability" category, the OnePlus Ace 5 Ultra is a bit better (54/100 vs 43/100).
Frequently asked questions
Which is better: the OnePlus Ace 5 Ultra or the Vivo X300 Pro?
The Vivo X300 Pro is noticeably better than the OnePlus Ace 5 Ultra — the overall rating gap is 17 points.
What is the rating of the OnePlus Ace 5 Ultra and the Vivo X300 Pro?
The OnePlus Ace 5 Ultra has a MobileRank rating of 71/100, the Vivo X300 Pro — 88/100.
Which has the better camera: the OnePlus Ace 5 Ultra or the Vivo X300 Pro?
The Vivo X300 Pro leads on camera score (96/100 vs 35/100).
Which is more powerful: the OnePlus Ace 5 Ultra or the Vivo X300 Pro?
The Vivo X300 Pro leads on performance (94/100 vs 89/100).
Should you choose the OnePlus Ace 5 Ultra over the Vivo X300 Pro?
The OnePlus Ace 5 Ultra is a better fit for gamers and power users, budget-conscious buyers. The Vivo X300 Pro is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.