Realme P3 Ultra vs Vivo X300 Ultra
The Realme P3 Ultra (2025) runs on the MediaTek Dimensity 8350 Ultra, 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 62/100 (a 29-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 6000); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 1,724,757); the Realme P3 Ultra is noticeably lighter (183g vs 230g).
Profile comparison
Category scores
Realme P3 Ultra
Vivo X300 Ultra
What makes Realme P3 Ultra better?
- Lighter: 183g vs 230g
- Better portability (76/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 1724757
- Better Geekbench Single: 3639 vs 1398
- Better Geekbench Multi: 11047 vs 4313
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 80W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 70/100)
- Better camera (96/100 vs 35/100)
- Longer battery life (85/100 vs 63/100)
- Better display (89/100 vs 84/100)
Comparison verdict
Comparing the Realme P3 Ultra vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 29 points higher (91/100 vs 62/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 70/100). 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 63/100). In the "performance" category, the Vivo X300 Ultra notably outperforms the Realme P3 Ultra (99/100 vs 70/100). 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 Realme P3 Ultra (96/100 vs 35/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the Realme P3 Ultra (85/100 vs 63/100). In the "portability" category, the Realme P3 Ultra significantly outperforms the Vivo X300 Ultra (76/100 vs 39/100).
Specs comparison
| Specification | Realme P3 Ultra | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8350 Ultra | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1724757 | 4247433 | |
| Geekbench Single | 1398 | 3639 | |
| Geekbench Multi | 4313 | 11047 | |
| Display | 6.8" AMOLED | 6.8" LTPO OLED | |
| Resolution | 1272x2800 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6000 mAh | 7000 mAh | |
| Charging | 80W | 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 | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15, Realme UI 6.0 | Android 16 | |
| Brightness (peak) | 1500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP69 | |
| Dimensions | 163.1×76.9×7.4 mm | 163.0×76.8×8.2 mm | |
| Weight | 183 g | 230 g | |
| Launch price | — | $950 |
Camera comparison
Realme P3 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Realme P3 Ultra
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Realme P3 Ultra
- 6000 mAh
- Wired: 80W
- 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 Realme P3 Ultra and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Realme P3 Ultra by 59.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme P3 Ultra
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra notably outperforms the Realme P3 Ultra (99/100 vs 70/100).
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 Realme P3 Ultra (96/100 vs 35/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the Realme P3 Ultra (85/100 vs 63/100).
portability
In the "portability" category, the Realme P3 Ultra significantly outperforms the Vivo X300 Ultra (76/100 vs 39/100).
Frequently asked questions
Which is better: the Realme P3 Ultra or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Realme P3 Ultra by 29 points (91/100 vs 62/100).
What is the rating of the Realme P3 Ultra and the Vivo X300 Ultra?
The Realme P3 Ultra has a MobileRank rating of 62/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Realme P3 Ultra or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 35/100).
Which is more powerful: the Realme P3 Ultra or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 70/100).
Should you choose the Realme P3 Ultra over the Vivo X300 Ultra?
The Realme P3 Ultra 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.