Realme C75x vs Vivo X300s
The Realme C75x (2025) runs on the MediaTek Helio G81 Ultra, while the Vivo X300s (2026) runs on the Dimensity 9500. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 39/100 (a 50-point difference). Key differences: the Vivo X300s has the bigger battery (7100 mAh vs 5600); the main camera is 50 MP vs 200 MP; the Vivo X300s is faster in AnTuTu (3,703,823 vs 358,608); the Realme C75x is noticeably lighter (196g vs 217g).
Profile comparison
Category scores
Realme C75x
Vivo X300s
What makes Realme C75x better?
- Lighter: 196g vs 217g
- Better portability (62/100 vs 42/100)
What makes Vivo X300s better?
- Higher AnTuTu: 3703823 vs 358608
- Better Geekbench Single: 3293 vs 432
- Better Geekbench Multi: 10243 vs 1416
- Bigger battery: 7100 vs 5600 mAh
- Faster charging: 90W vs 45W
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (95/100 vs 30/100)
- Better camera (94/100 vs 30/100)
- Longer battery life (83/100 vs 55/100)
- Better display (94/100 vs 55/100)
Comparison verdict
Comparing the Realme C75x vs the Vivo X300s, the Vivo X300s scores 50 points higher (89/100 vs 39/100). In the "performance" category, the Vivo X300s leads (95/100 vs 30/100). In the "camera" category, the Vivo X300s leads (94/100 vs 30/100). In the "battery" category, the Vivo X300s leads (83/100 vs 55/100). In the "performance" category, the Vivo X300s significantly outperforms the Realme C75x (95/100 vs 30/100). In the "display" category, the Vivo X300s significantly outperforms the Realme C75x (94/100 vs 55/100). In the "camera" category, the Vivo X300s significantly outperforms the Realme C75x (94/100 vs 30/100). In the "battery" category, the Vivo X300s notably outperforms the Realme C75x (83/100 vs 55/100). In the "portability" category, the Realme C75x notably outperforms the Vivo X300s (62/100 vs 42/100).
Specs comparison
| Specification | Realme C75x | Vivo X300s | |
|---|---|---|---|
| Processor | MediaTek Helio G81 Ultra | Dimensity 9500 | |
| AnTuTu | 358608 | 3703823 | |
| Geekbench Single | 432 | 3293 | |
| Geekbench Multi | 1416 | 10243 | |
| Display | 6.7" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1604 | 2800x1260 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5600 mAh | 7100 mAh | |
| Charging | 45W | 90W | |
| Wireless charging | 0W | 40W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 50 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 15, Realme UI 6.0 | Android 16 / OriginOS 6 | |
| Brightness (peak) | 625 nits | — | |
| NFC | no | — | |
| Protection | IP68 | — | |
| Dimensions | 165.7×76.2×8.0 mm | — | |
| Weight | 196 g | 217 g | |
| Launch price | — | $723 |
Camera comparison
Realme C75x
- Main: 50MP f/1.8
- Front: 5MP
Vivo X300s
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
Realme C75x
- 6.7" IPS LCD
- Resolution: 720x1604
- Refresh rate: 120 Hz
Vivo X300s
- 6.8" LTPO AMOLED
- Resolution: 2800x1260
- Refresh rate: 144 Hz
Battery and charging
Realme C75x
- 5600 mAh
- Wired: 45W
- No wireless charging
Vivo X300s
- 7100 mAh
- Wired: 90W
- Wireless: 40W
Overall performance score
We compared Realme C75x and Vivo X300s, covering their specs and all relevant benchmarks.
Vivo X300s leads Realme C75x by 90.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme C75x
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300s significantly outperforms the Realme C75x (95/100 vs 30/100).
display
In the "display" category, the Vivo X300s significantly outperforms the Realme C75x (94/100 vs 55/100).
camera
In the "camera" category, the Vivo X300s significantly outperforms the Realme C75x (94/100 vs 30/100).
battery
In the "battery" category, the Vivo X300s notably outperforms the Realme C75x (83/100 vs 55/100).
portability
In the "portability" category, the Realme C75x notably outperforms the Vivo X300s (62/100 vs 42/100).
Frequently asked questions
Which is better: the Realme C75x or the Vivo X300s?
The Vivo X300s significantly outperforms the Realme C75x by 50 points (89/100 vs 39/100).
What is the rating of the Realme C75x and the Vivo X300s?
The Realme C75x has a MobileRank rating of 39/100, the Vivo X300s — 89/100.
Which has the better camera: the Realme C75x or the Vivo X300s?
The Vivo X300s leads on camera score (94/100 vs 30/100).
Which is more powerful: the Realme C75x or the Vivo X300s?
The Vivo X300s leads on performance (95/100 vs 30/100).
Should you choose the Realme C75x over the Vivo X300s?
The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.