Realme C100 4G vs Vivo X300 Ultra
The Realme C100 4G (2026) runs on the MediaTek Helio G92 Max, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo X300 Ultra leads — 87/100 vs 30/100 (a 57-point difference). Key differences: the Realme C100 4G has the bigger battery (8000 mAh vs 7000); the main camera is 50 MP vs 200 MP.
Realme C100 4G
Vivo X300 Ultra
- Bigger battery: 8000 vs 7000 mAh
- Lighter: 219g vs 230g
- Better design/ergonomics (26/100 vs 12/100)
- Better value for money (55/100 vs 44/100)
- Faster charging: 100W vs 15W
- Better main camera: 200MP vs 50MP
- Higher performance (96/100 vs 0/100)
- Better camera (96/100 vs 24/100)
- Longer battery life (77/100 vs 54/100)
Comparing the Realme C100 4G vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 57 points higher (87/100 vs 30/100). In the "performance" category, the Vivo X300 Ultra leads (96/100 vs 0/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 24/100). In the "battery" category, the Vivo X300 Ultra leads (77/100 vs 54/100). In the "value for money" category, the Realme C100 4G leads (55/100 vs 44/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme C100 4G (96/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme C100 4G (96/100 vs 24/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the Realme C100 4G (77/100 vs 54/100). In the "design" category, the Realme C100 4G is a bit better (26/100 vs 12/100). In the "value for money" category, the Realme C100 4G is a bit better (55/100 vs 44/100).
| Specification | Realme C100 4G | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G92 Max | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | — | 4247433 | |
| Geekbench Single | — | 3640 | |
| Geekbench Multi | — | 11033 | |
| Display | 6.8" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 720x1570 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 8000 mAh | 7000 mAh | |
| Charging | 15W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16, Realme UI 7.0 | Android 16 | |
| Brightness (peak) | 1200 nits | — | |
| NFC | yes | yes | |
| Protection | IP66 | IP69 | |
| Dimensions | 166.5×78.2×8.6 mm | 163.0×76.8×8.2 mm | |
| Weight | 219 g | 230 g | |
| Price | — | $950 |
Realme C100 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Realme C100 4G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Realme C100 4G
- 8000 mAh
- Wired: 15W
- No wireless charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Realme C100 4G
Price unknownperformance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme C100 4G (96/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme C100 4G (96/100 vs 24/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the Realme C100 4G (77/100 vs 54/100).
design
In the "design" category, the Realme C100 4G is a bit better (26/100 vs 12/100).
value for money
In the "value for money" category, the Realme C100 4G is a bit better (55/100 vs 44/100).
Which is better: the Realme C100 4G or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Realme C100 4G by 57 points (87/100 vs 30/100).
What is the rating of the Realme C100 4G and the Vivo X300 Ultra?
The Realme C100 4G has a MobileRank rating of 30/100, the Vivo X300 Ultra — 87/100.
Which has the better camera: the Realme C100 4G or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 24/100).
Which is more powerful: the Realme C100 4G or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (96/100 vs 0/100).
Should you choose the Realme C100 4G over the Vivo X300 Ultra?
The Realme C100 4G is a better fit for everyday use. The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.