Realme P4 Power vs Vivo iQOO 15 Ultra
The Realme P4 Power (2026) runs on the Dimensity 7400 Ultra, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $279 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 57/100 (a 32-point difference). Key differences: the Realme P4 Power has the bigger battery (10001 mAh vs 7400); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Realme P4 Power doesn't.
Profile comparison
Category scores
Realme P4 Power
Vivo iQOO 15 Ultra
What makes Realme P4 Power better?
- Bigger battery: 10001 vs 7400 mAh
- Lighter: 219g vs 227g
- Cheaper at launch: $279 vs $799
- Better portability (36/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Better Geekbench Single: 3639 vs 1050
- Better Geekbench Multi: 11047 vs 2939
- Faster charging: 120W vs 80W
- Higher performance (99/100 vs 52/100)
- Better camera (78/100 vs 35/100)
- Longer battery life (92/100 vs 76/100)
- Better display (99/100 vs 94/100)
Comparison verdict
Comparing the Realme P4 Power vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 32 points higher (89/100 vs 57/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 52/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 35/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 76/100). Value score: Realme P4 Power — 58/100, Vivo iQOO 15 Ultra — 92/100; 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 iQOO 15 Ultra significantly outperforms the Realme P4 Power (99/100 vs 52/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 94/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme P4 Power (78/100 vs 35/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Realme P4 Power (92/100 vs 76/100). In the "portability" category, the Realme P4 Power and the Vivo iQOO 15 Ultra are nearly equal (36/100 vs 35/100).
Specs comparison
| Specification | Realme P4 Power | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Dimensity 7400 Ultra | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | — | 4602290 | |
| Geekbench Single | 1050 | 3639 | |
| Geekbench Multi | 2939 | 11047 | |
| Display | 6.8" OLED | 6.8" LTPO AMOLED | |
| Resolution | 1280x2800 | 1440x3168 | |
| Refresh rate | 144 Hz | 144 Hz | |
| Battery | 10001 mAh | 7400 mAh | |
| Charging | 80W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 6500 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | IP69 | IP68 | |
| Dimensions | 162.3×76.2×9.1 mm | 163.7×76.8×8.7 mm | |
| Weight | 219 g | 227 g | |
| Launch price | $279 | $799 |
Camera comparison
Realme P4 Power
- Main: 50MP f/1.88
- Ultrawide: 8MP
- Front: 16MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Realme P4 Power
- 6.8" OLED
- Resolution: 1280x2800
- Refresh rate: 144 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Realme P4 Power
- 10001 mAh
- Wired: 80W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Benchmarks
Launch prices and where to check today's
Launch price difference: $520. Realme P4 Power was $520 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme P4 Power (99/100 vs 52/100).
display
In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 94/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme P4 Power (78/100 vs 35/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Realme P4 Power (92/100 vs 76/100).
portability
In the "portability" category, the Realme P4 Power and the Vivo iQOO 15 Ultra are nearly equal (36/100 vs 35/100).
Frequently asked questions
Which is better: the Realme P4 Power or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Realme P4 Power by 32 points (89/100 vs 57/100).
What is the rating of the Realme P4 Power and the Vivo iQOO 15 Ultra?
The Realme P4 Power has a MobileRank rating of 57/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Realme P4 Power or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 35/100).
Which is more powerful: the Realme P4 Power or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 52/100).
Should you choose the Realme P4 Power over the Vivo iQOO 15 Ultra?
The Realme P4 Power is a better fit for those who care about battery life. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.