Realme P4 Power vs Vivo X300 Ultra
The Realme P4 Power (2026) runs on the Dimensity 7400 Ultra, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $279 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 57/100 (a 34-point difference). Key differences: the Realme P4 Power has the bigger battery (10001 mAh vs 7000); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra has NFC for contactless payments, the Realme P4 Power doesn't.
Profile comparison
Category scores
Realme P4 Power
Vivo X300 Ultra
What makes Realme P4 Power better?
- Bigger battery: 10001 vs 7000 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 219g vs 230g
- Cheaper at launch: $279 vs $950
- Better display (94/100 vs 89/100)
What makes Vivo X300 Ultra better?
- Better Geekbench Single: 3639 vs 1050
- Better Geekbench Multi: 11047 vs 2939
- Faster charging: 100W vs 80W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 52/100)
- Better camera (96/100 vs 35/100)
- Longer battery life (85/100 vs 76/100)
- Better portability (39/100 vs 36/100)
Comparison verdict
Comparing the Realme P4 Power vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 34 points higher (91/100 vs 57/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 52/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 35/100). Value score: Realme P4 Power — 58/100, Vivo X300 Ultra — 94/100; 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 Ultra significantly outperforms the Realme P4 Power (99/100 vs 52/100). In the "display" category, the Realme P4 Power is a bit better (94/100 vs 89/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme P4 Power (96/100 vs 35/100). In the "battery" category, the Vivo X300 Ultra is a bit better (85/100 vs 76/100). In the "portability" category, the Vivo X300 Ultra and the Realme P4 Power are nearly equal (39/100 vs 36/100).
Specs comparison
| Specification | Realme P4 Power | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Dimensity 7400 Ultra | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | — | 4247433 | |
| Geekbench Single | 1050 | 3639 | |
| Geekbench Multi | 2939 | 11047 | |
| Display | 6.8" OLED | 6.8" LTPO OLED | |
| Resolution | 1280x2800 | 3168x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 10001 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 | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 6500 nits | — | |
| NFC | no | yes | |
| Protection | IP69 | IP69 | |
| Dimensions | 162.3×76.2×9.1 mm | 163.0×76.8×8.2 mm | |
| Weight | 219 g | 230 g | |
| Launch price | $279 | $950 |
Camera comparison
Realme P4 Power
- Main: 50MP f/1.88
- Ultrawide: 8MP
- Front: 16MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Realme P4 Power
- 6.8" OLED
- Resolution: 1280x2800
- Refresh rate: 144 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Realme P4 Power
- 10001 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
Benchmarks
Launch prices and where to check today's
Launch price difference: $671. Realme P4 Power was $671 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme P4 Power (99/100 vs 52/100).
display
In the "display" category, the Realme P4 Power is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme P4 Power (96/100 vs 35/100).
battery
In the "battery" category, the Vivo X300 Ultra is a bit better (85/100 vs 76/100).
portability
In the "portability" category, the Vivo X300 Ultra and the Realme P4 Power are nearly equal (39/100 vs 36/100).
Frequently asked questions
Which is better: the Realme P4 Power or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Realme P4 Power by 34 points (91/100 vs 57/100).
What is the rating of the Realme P4 Power and the Vivo X300 Ultra?
The Realme P4 Power has a MobileRank rating of 57/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Realme P4 Power or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 35/100).
Which is more powerful: the Realme P4 Power or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 52/100).
Should you choose the Realme P4 Power over the Vivo X300 Ultra?
The Realme P4 Power is a better fit for those who care about battery life. 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.