Realme 15 vs Vivo X300s
The Realme 15 (2025) runs on the MediaTek Dimensity 7300+, while the Vivo X300s (2026) runs on the Dimensity 9500; launch prices were $249 and $723. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 62/100 (a 27-point difference). Key differences: the Vivo X300s has the bigger battery (7100 mAh vs 7000); the main camera is 50 MP vs 200 MP; the Vivo X300s is faster in AnTuTu (3,703,823 vs 879,714); the Realme 15 is noticeably lighter (185g vs 217g).
Profile comparison
Category scores
Realme 15
Vivo X300s
What makes Realme 15 better?
- Lighter: 185g vs 217g
- Cheaper at launch: $249 vs $723
- Better portability (74/100 vs 42/100)
What makes Vivo X300s better?
- Higher AnTuTu: 3703823 vs 879714
- Better Geekbench Single: 3293 vs 1011
- Better Geekbench Multi: 10243 vs 2813
- Bigger battery: 7100 vs 7000 mAh
- Faster charging: 90W vs 80W
- Better main camera: 200MP vs 50MP
- Higher performance (95/100 vs 55/100)
- Better camera (94/100 vs 44/100)
- Longer battery life (83/100 vs 80/100)
- Better display (94/100 vs 89/100)
Comparison verdict
Comparing the Realme 15 vs the Vivo X300s, the Vivo X300s scores 27 points higher (89/100 vs 62/100). In the "performance" category, the Vivo X300s leads (95/100 vs 55/100). In the "camera" category, the Vivo X300s leads (94/100 vs 44/100). Value score: Realme 15 — 74/100, Vivo X300s — 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 X300s significantly outperforms the Realme 15 (95/100 vs 55/100). In the "display" category, the Vivo X300s is a bit better (94/100 vs 89/100). In the "camera" category, the Vivo X300s significantly outperforms the Realme 15 (94/100 vs 44/100). In the "battery" category, the Vivo X300s and the Realme 15 are nearly equal (83/100 vs 80/100). In the "portability" category, the Realme 15 significantly outperforms the Vivo X300s (74/100 vs 42/100).
Specs comparison
| Specification | Realme 15 | Vivo X300s | |
|---|---|---|---|
| Processor | MediaTek Dimensity 7300+ | Dimensity 9500 | |
| AnTuTu | 879714 | 3703823 | |
| Geekbench Single | 1011 | 3293 | |
| Geekbench Multi | 2813 | 10243 | |
| Display | 6.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 2392x1080 | 2800x1260 | |
| Refresh rate | 144 Hz | 144 Hz | |
| Battery | 7000 mAh | 7100 mAh | |
| Charging | 80W | 90W | |
| Wireless charging | — | 40W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 50 MP | 50 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 / OriginOS 6 | |
| Weight | 185 g | 217 g | |
| Launch price | $249 | $723 |
Camera comparison
Realme 15
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 50MP
Vivo X300s
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
Realme 15
- 6.8" AMOLED
- Resolution: 2392x1080
- Refresh rate: 144 Hz
Vivo X300s
- 6.8" LTPO AMOLED
- Resolution: 2800x1260
- Refresh rate: 144 Hz
Battery and charging
Realme 15
- 7000 mAh
- Wired: 80W
- Wireless charging: no data
Vivo X300s
- 7100 mAh
- Wired: 90W
- Wireless: 40W
Overall performance score
We compared Realme 15 and Vivo X300s, covering their specs and all relevant benchmarks.
Vivo X300s leads Realme 15 by 76.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $474. Realme 15 was $474 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300s significantly outperforms the Realme 15 (95/100 vs 55/100).
display
In the "display" category, the Vivo X300s is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the Vivo X300s significantly outperforms the Realme 15 (94/100 vs 44/100).
battery
In the "battery" category, the Vivo X300s and the Realme 15 are nearly equal (83/100 vs 80/100).
portability
In the "portability" category, the Realme 15 significantly outperforms the Vivo X300s (74/100 vs 42/100).
Frequently asked questions
Which is better: the Realme 15 or the Vivo X300s?
The Vivo X300s significantly outperforms the Realme 15 by 27 points (89/100 vs 62/100).
What is the rating of the Realme 15 and the Vivo X300s?
The Realme 15 has a MobileRank rating of 62/100, the Vivo X300s — 89/100.
Which has the better camera: the Realme 15 or the Vivo X300s?
The Vivo X300s leads on camera score (94/100 vs 44/100).
Which is more powerful: the Realme 15 or the Vivo X300s?
The Vivo X300s leads on performance (95/100 vs 55/100).
Should you choose the Realme 15 over the Vivo X300s?
The Realme 15 is a better fit for those who care about battery life. The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.