Realme 15x vs Vivo X300s
The Realme 15x (2025) runs on the MediaTek Dimensity 6300, while the Vivo X300s (2026) runs on the Dimensity 9500; launch prices were $250 and $723. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 51/100 (a 38-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 528,398).
Profile comparison
Category scores
Realme 15x
Vivo X300s
What makes Realme 15x better?
- Lighter: 212g vs 217g
- Cheaper at launch: $250 vs $723
- Better portability (49/100 vs 42/100)
What makes Vivo X300s better?
- Higher AnTuTu: 3703823 vs 528398
- Better Geekbench Single: 3293 vs 771
- Better Geekbench Multi: 10243 vs 1980
- Bigger battery: 7100 vs 7000 mAh
- Faster charging: 90W vs 60W
- Better main camera: 200MP vs 50MP
- Higher performance (95/100 vs 43/100)
- Better camera (94/100 vs 40/100)
- Longer battery life (83/100 vs 75/100)
- Better display (94/100 vs 65/100)
Comparison verdict
Comparing the Realme 15x vs the Vivo X300s, the Vivo X300s scores 38 points higher (89/100 vs 51/100). In the "performance" category, the Vivo X300s leads (95/100 vs 43/100). In the "camera" category, the Vivo X300s leads (94/100 vs 40/100). Value score: Realme 15x — 52/100, 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 15x (95/100 vs 43/100). In the "display" category, the Vivo X300s notably outperforms the Realme 15x (94/100 vs 65/100). In the "camera" category, the Vivo X300s significantly outperforms the Realme 15x (94/100 vs 40/100). In the "battery" category, the Vivo X300s is a bit better (83/100 vs 75/100). In the "portability" category, the Realme 15x is a bit better (49/100 vs 42/100).
Specs comparison
| Specification | Realme 15x | Vivo X300s | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Dimensity 9500 | |
| AnTuTu | 528398 | 3703823 | |
| Geekbench Single | 771 | 3293 | |
| Geekbench Multi | 1980 | 10243 | |
| Display | 6.8" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1570 | 2800x1260 | |
| Refresh rate | 144 Hz | 144 Hz | |
| Battery | 7000 mAh | 7100 mAh | |
| Charging | 60W | 90W | |
| Wireless charging | — | 40W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 50 MP | 50 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 / OriginOS 6 | |
| Brightness (peak) | 1200 nits | — | |
| NFC | no | — | |
| Protection | IP68/IP69 | — | |
| Dimensions | 166.1×77.9×8.3 mm | — | |
| Weight | 212 g | 217 g | |
| Launch price | $250 | $723 |
Camera comparison
Realme 15x
- Main: 50MP f/1.8
- Front: 50MP
Vivo X300s
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
Realme 15x
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Vivo X300s
- 6.8" LTPO AMOLED
- Resolution: 2800x1260
- Refresh rate: 144 Hz
Battery and charging
Realme 15x
- 7000 mAh
- Wired: 60W
- Wireless charging: no data
Vivo X300s
- 7100 mAh
- Wired: 90W
- Wireless: 40W
Overall performance score
We compared Realme 15x and Vivo X300s, covering their specs and all relevant benchmarks.
Vivo X300s leads Realme 15x by 85.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $473. Realme 15x was $473 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300s significantly outperforms the Realme 15x (95/100 vs 43/100).
display
In the "display" category, the Vivo X300s notably outperforms the Realme 15x (94/100 vs 65/100).
camera
In the "camera" category, the Vivo X300s significantly outperforms the Realme 15x (94/100 vs 40/100).
battery
In the "battery" category, the Vivo X300s is a bit better (83/100 vs 75/100).
portability
In the "portability" category, the Realme 15x is a bit better (49/100 vs 42/100).
Frequently asked questions
Which is better: the Realme 15x or the Vivo X300s?
The Vivo X300s significantly outperforms the Realme 15x by 38 points (89/100 vs 51/100).
What is the rating of the Realme 15x and the Vivo X300s?
The Realme 15x has a MobileRank rating of 51/100, the Vivo X300s — 89/100.
Which has the better camera: the Realme 15x or the Vivo X300s?
The Vivo X300s leads on camera score (94/100 vs 40/100).
Which is more powerful: the Realme 15x or the Vivo X300s?
The Vivo X300s leads on performance (95/100 vs 43/100).
Should you choose the Realme 15x over the Vivo X300s?
The Realme 15x 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.