Realme C100x vs Vivo X300 Pro
The Realme C100x (2026) runs on the Unisoc T7250, while the Vivo X300 Pro (2025) runs on the Dimensity 9500; launch prices were $175 and $899. By overall MobileRank rating, the Vivo X300 Pro leads — 88/100 vs 42/100 (a 46-point difference). Key differences: the Realme C100x has the bigger battery (8000 mAh vs 6510); the main camera is 50 MP vs 200 MP.
Profile comparison
Category scores
Realme C100x
Vivo X300 Pro
What makes Realme C100x better?
- Bigger battery: 8000 vs 6510 mAh
- Lighter: 219g vs 226g
- Cheaper at launch: $175 vs $899
- Overall rating 42/100
What makes Vivo X300 Pro better?
- Better Geekbench Single: 3293 vs 600
- Better Geekbench Multi: 10243 vs 1800
- Faster charging: 90W vs 45W
- Better main camera: 200MP vs 50MP
- Higher performance (94/100 vs 32/100)
- Better camera (96/100 vs 30/100)
- Longer battery life (81/100 vs 75/100)
- Better display (84/100 vs 55/100)
- Better portability (43/100 vs 40/100)
Comparison verdict
Comparing the Realme C100x vs the Vivo X300 Pro, the Vivo X300 Pro scores 46 points higher (88/100 vs 42/100). In the "performance" category, the Vivo X300 Pro leads (94/100 vs 32/100). In the "camera" category, the Vivo X300 Pro leads (96/100 vs 30/100). Value score: Realme C100x — 52/100, Vivo X300 Pro — 88/100; 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 Pro significantly outperforms the Realme C100x (94/100 vs 32/100). In the "display" category, the Vivo X300 Pro notably outperforms the Realme C100x (84/100 vs 55/100). In the "camera" category, the Vivo X300 Pro significantly outperforms the Realme C100x (96/100 vs 30/100). In the "battery" category, the Vivo X300 Pro is a bit better (81/100 vs 75/100). In the "portability" category, the Vivo X300 Pro and the Realme C100x are nearly equal (43/100 vs 40/100).
Specs comparison
| Specification | Realme C100x | Vivo X300 Pro | |
|---|---|---|---|
| Processor | Unisoc T7250 | Dimensity 9500 | |
| AnTuTu | — | 3326259 | |
| Geekbench Single | 600 | 3293 | |
| Geekbench Multi | 1800 | 10243 | |
| Display | 6.8" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1570 | 1260x2800 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 8000 mAh | 6510 mAh | |
| Charging | 45W | 90W | |
| Wireless charging | — | 40W | |
| DXOMark (camera) | — | 171 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 32 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 900 nits | 4500 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | — | 161.2×75.5×8.0 mm | |
| Weight | 219 g | 226 g | |
| Launch price | $175 | $899 |
Camera comparison
Realme C100x
- Main: 50MP f/1.8
- Front: 5MP
Vivo X300 Pro
- Main: 200MP f/1.57
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Realme C100x
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Vivo X300 Pro
- 6.8" AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
Battery and charging
Realme C100x
- 8000 mAh
- Wired: 45W
- Wireless charging: no data
Vivo X300 Pro
- 6510 mAh
- NanoReview test: web browsing 13:30 hrs, total 24:37 hrs
- Wired: 90W
- Wireless: 40W
Benchmarks
Launch prices and where to check today's
Launch price difference: $724. Realme C100x was $724 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Pro significantly outperforms the Realme C100x (94/100 vs 32/100).
display
In the "display" category, the Vivo X300 Pro notably outperforms the Realme C100x (84/100 vs 55/100).
camera
In the "camera" category, the Vivo X300 Pro significantly outperforms the Realme C100x (96/100 vs 30/100).
battery
In the "battery" category, the Vivo X300 Pro is a bit better (81/100 vs 75/100).
portability
In the "portability" category, the Vivo X300 Pro and the Realme C100x are nearly equal (43/100 vs 40/100).
Frequently asked questions
Which is better: the Realme C100x or the Vivo X300 Pro?
The Vivo X300 Pro significantly outperforms the Realme C100x by 46 points (88/100 vs 42/100).
What is the rating of the Realme C100x and the Vivo X300 Pro?
The Realme C100x has a MobileRank rating of 42/100, the Vivo X300 Pro — 88/100.
Which has the better camera: the Realme C100x or the Vivo X300 Pro?
The Vivo X300 Pro leads on camera score (96/100 vs 30/100).
Which is more powerful: the Realme C100x or the Vivo X300 Pro?
The Vivo X300 Pro leads on performance (94/100 vs 32/100).
Should you choose the Realme C100x over the Vivo X300 Pro?
The Realme C100x is a better fit for those who care about battery life. The Vivo X300 Pro is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.