OnePlus Ace 3 vs Vivo X300 Ultra
The OnePlus Ace 3 (2024) runs on the Qualcomm Snapdragon 8 Gen 2, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 64/100 (a 27-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 5500); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 1,907,512); the OnePlus Ace 3 is noticeably lighter (207g vs 230g).
OnePlus Ace 3
Vivo X300 Ultra
- Lighter: 207g vs 230g
- Better portability (46/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 1907512
- Better Geekbench Single: 3640 vs 2004
- Better Geekbench Multi: 11033 vs 5311
- Bigger battery: 7000 vs 5500 mAh
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 77/100)
- Better camera (96/100 vs 35/100)
- Longer battery life (85/100 vs 66/100)
- Better display (89/100 vs 84/100)
Comparing the OnePlus Ace 3 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 27 points higher (91/100 vs 64/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 77/100). 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 66/100). In the "performance" category, the Vivo X300 Ultra notably outperforms the OnePlus Ace 3 (99/100 vs 77/100). In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 84/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the OnePlus Ace 3 (96/100 vs 35/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the OnePlus Ace 3 (85/100 vs 66/100). In the "portability" category, the OnePlus Ace 3 is a bit better (46/100 vs 39/100).
| Specification | OnePlus Ace 3 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 2 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1907512 | 4247433 | |
| Geekbench Single | 2004 | 3640 | |
| Geekbench Multi | 5311 | 11033 | |
| Display | 6.8" LTPO AMOLED | 6.8" LTPO OLED | |
| Resolution | 1264x2780 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5500 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 14, ColorOS 14 | Android 16 | |
| Brightness (peak) | 4500 nits | — | |
| NFC | yes | yes | |
| Protection | — | IP69 | |
| Dimensions | 163.3×75.3×8.8 mm | 163.0×76.8×8.2 mm | |
| Weight | 207 g | 230 g | |
| Launch price | — | $950 |
OnePlus Ace 3
- 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 3
- 6.8" LTPO AMOLED
- Resolution: 1264x2780
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
OnePlus Ace 3
- 5500 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 3 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads OnePlus Ace 3 by 55.1% in our overall performance rating.
OnePlus Ace 3
Price unknownperformance
In the "performance" category, the Vivo X300 Ultra notably outperforms the OnePlus Ace 3 (99/100 vs 77/100).
display
In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 84/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the OnePlus Ace 3 (96/100 vs 35/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the OnePlus Ace 3 (85/100 vs 66/100).
portability
In the "portability" category, the OnePlus Ace 3 is a bit better (46/100 vs 39/100).
Which is better: the OnePlus Ace 3 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the OnePlus Ace 3 by 27 points (91/100 vs 64/100).
What is the rating of the OnePlus Ace 3 and the Vivo X300 Ultra?
The OnePlus Ace 3 has a MobileRank rating of 64/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the OnePlus Ace 3 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 3 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 77/100).
Should you choose the OnePlus Ace 3 over the Vivo X300 Ultra?
The OnePlus Ace 3 is a better fit for active users. 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.