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 524,785).
Realme 15x
Vivo X300s
- Lighter: 212g vs 217g
- Cheaper at launch: $250 vs $723
- Better portability (49/100 vs 42/100)
- Higher AnTuTu: 3703823 vs 524785
- Better Geekbench Single: 3228 vs 771
- Better Geekbench Multi: 9553 vs 1980
- Bigger battery: 7100 vs 7000 mAh
- Faster charging: 90W vs 60W
- Better main camera: 200MP vs 50MP
- Higher performance (94/100 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)
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 (94/100 vs 43/100). In the "camera" category, the Vivo X300s leads (94/100 vs 40/100). Value score: Realme 15x — 54/100, Vivo X300s — 90/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo X300s significantly outperforms the Realme 15x (94/100 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).
| Specification | Realme 15x | Vivo X300s | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Dimensity 9500 | |
| AnTuTu | 524785 | 3703823 | |
| Geekbench Single | 771 | 3228 | |
| Geekbench Multi | 1980 | 9553 | |
| 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 |
Realme 15x
- Main: 50MP f/1.8
- Front: 50MP
Vivo X300s
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Realme 15x
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Vivo X300s
- 6.8" LTPO AMOLED
- Resolution: 2800x1260
- Refresh rate: 144 Hz
Realme 15x
- 7000 mAh
- Wired: 60W
- Wireless charging: no data
Vivo X300s
- 7100 mAh
- Wired: 90W
- Wireless: 40W
We compared Realme 15x and Vivo X300s, covering their specs and all relevant benchmarks.
Vivo X300s leads Realme 15x by 85.8% in our overall performance rating.
Launch price difference: $473. Realme 15x was $473 cheaper at launch.
performance
In the "performance" category, the Vivo X300s significantly outperforms the Realme 15x (94/100 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).
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 (94/100 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.