Realme 15 Pro vs Vivo X300 Ultra
The Realme 15 Pro (2025) runs on the Qualcomm Snapdragon 7 Gen 4, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $350 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 69/100 (a 22-point difference). Key differences: the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 1,329,936); the Realme 15 Pro is noticeably lighter (187g vs 230g).
Profile comparison
Category scores
Realme 15 Pro
Vivo X300 Ultra
What makes Realme 15 Pro better?
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 187g vs 230g
- Cheaper at launch: $350 vs $950
- Better display (94/100 vs 89/100)
- Better portability (70/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 1329936
- Better Geekbench Single: 3639 vs 1270
- Better Geekbench Multi: 11047 vs 4106
- Faster charging: 100W vs 80W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 66/100)
- Better camera (96/100 vs 60/100)
- Longer battery life (85/100 vs 68/100)
Comparison verdict
Comparing the Realme 15 Pro vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 22 points higher (91/100 vs 69/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 66/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 60/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 68/100). Value score: Realme 15 Pro — 72/100, 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 15 Pro (99/100 vs 66/100). In the "display" category, the Realme 15 Pro is a bit better (94/100 vs 89/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme 15 Pro (96/100 vs 60/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the Realme 15 Pro (85/100 vs 68/100). In the "portability" category, the Realme 15 Pro significantly outperforms the Vivo X300 Ultra (70/100 vs 39/100).
Specs comparison
| Specification | Realme 15 Pro | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 7 Gen 4 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1329936 | 4247433 | |
| Geekbench Single | 1270 | 3639 | |
| Geekbench Multi | 4106 | 11047 | |
| Display | 6.8" AMOLED | 6.8" LTPO OLED | |
| Resolution | 1280x2800 | 3168x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 7000 mAh | |
| Charging | 80W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 50 MP | 32 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15, up to 3 major Android upgrades, Realme UI 6.0 | Android 16 | |
| Brightness (peak) | 6500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP69 | |
| Dimensions | 162.3×76.2×7.7 mm | 163.0×76.8×8.2 mm | |
| Weight | 187 g | 230 g | |
| Launch price | $350 | $950 |
Camera comparison
Realme 15 Pro
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Front: 50MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Realme 15 Pro
- 6.8" AMOLED
- Resolution: 1280x2800
- Refresh rate: 144 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Realme 15 Pro
- 7000 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 15 Pro and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Realme 15 Pro by 68.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $600. Realme 15 Pro was $600 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme 15 Pro (99/100 vs 66/100).
display
In the "display" category, the Realme 15 Pro is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme 15 Pro (96/100 vs 60/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the Realme 15 Pro (85/100 vs 68/100).
portability
In the "portability" category, the Realme 15 Pro significantly outperforms the Vivo X300 Ultra (70/100 vs 39/100).
Frequently asked questions
Which is better: the Realme 15 Pro or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Realme 15 Pro by 22 points (91/100 vs 69/100).
What is the rating of the Realme 15 Pro and the Vivo X300 Ultra?
The Realme 15 Pro has a MobileRank rating of 69/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Realme 15 Pro or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 60/100).
Which is more powerful: the Realme 15 Pro or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 66/100).
Should you choose the Realme 15 Pro over the Vivo X300 Ultra?
The Realme 15 Pro 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.