Oppo A3x vs Vivo X300 Ultra
The Oppo A3x (2024) runs on the MediaTek Dimensity 6300, 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 39/100 (a 52-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 5100); the main camera is 13 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 528,398); the Oppo A3x is noticeably lighter (186g vs 230g).
Profile comparison
Category scores
Oppo A3x
Vivo X300 Ultra
What makes Oppo A3x better?
- Lighter: 186g vs 230g
- Better portability (71/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 528398
- Better Geekbench Single: 3639 vs 771
- Better Geekbench Multi: 11047 vs 1980
- Bigger battery: 7000 vs 5100 mAh
- Faster charging: 100W vs 45W
- Better main camera: 200MP vs 13MP
- Higher performance (99/100 vs 43/100)
- Better camera (96/100 vs 10/100)
- Longer battery life (85/100 vs 51/100)
- Better display (89/100 vs 55/100)
Comparison verdict
Comparing the Oppo A3x vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 52 points higher (91/100 vs 39/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 43/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 10/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 51/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Oppo A3x (99/100 vs 43/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Oppo A3x (89/100 vs 55/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Oppo A3x (96/100 vs 10/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Oppo A3x (85/100 vs 51/100). In the "portability" category, the Oppo A3x significantly outperforms the Vivo X300 Ultra (71/100 vs 39/100).
Specs comparison
| Specification | Oppo A3x | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 528398 | 4247433 | |
| Geekbench Single | 771 | 3639 | |
| Geekbench Multi | 1980 | 11047 | |
| Display | 6.7" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 720x1604 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5100 mAh | 7000 mAh | |
| Charging | 45W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 13 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 14, ColorOS 14 | Android 16 | |
| NFC | yes | yes | |
| Protection | IP54 | IP69 | |
| Dimensions | 165.8×76.1×7.7 mm | 163.0×76.8×8.2 mm | |
| Weight | 186 g | 230 g | |
| Launch price | — | $950 |
Camera comparison
Oppo A3x
- Main: 13MP f/2.2
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Oppo A3x
- 6.7" IPS LCD
- Resolution: 720x1604
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Oppo A3x
- 5100 mAh
- Wired: 45W
- No wireless charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Oppo A3x and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Oppo A3x by 87.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A3x
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Oppo A3x (99/100 vs 43/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Oppo A3x (89/100 vs 55/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Oppo A3x (96/100 vs 10/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Oppo A3x (85/100 vs 51/100).
portability
In the "portability" category, the Oppo A3x significantly outperforms the Vivo X300 Ultra (71/100 vs 39/100).
Frequently asked questions
Which is better: the Oppo A3x or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Oppo A3x by 52 points (91/100 vs 39/100).
What is the rating of the Oppo A3x and the Vivo X300 Ultra?
The Oppo A3x has a MobileRank rating of 39/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Oppo A3x or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 10/100).
Which is more powerful: the Oppo A3x or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 43/100).
Should you choose the Oppo A3x over the Vivo X300 Ultra?
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.