Realme C3 vs Vivo X300 Ultra
The Realme C3 (2020) runs on the MediaTek Helio G70, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 28/100 (a 63-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 5000); the main camera is 12 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 317,084); the Vivo X300 Ultra has NFC for contactless payments, the Realme C3 doesn't; the Realme C3 is noticeably lighter (195g vs 230g).
Profile comparison
Category scores
Realme C3
Vivo X300 Ultra
What makes Realme C3 better?
- Lighter: 195g vs 230g
- Better portability (51/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 317084
- Better Geekbench Single: 3639 vs 417
- Better Geekbench Multi: 11047 vs 1345
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 100W vs 10W
- Better main camera: 200MP vs 12MP
- Higher performance (99/100 vs 27/100)
- Better camera (96/100 vs 10/100)
- Longer battery life (85/100 vs 43/100)
- Better display (89/100 vs 38/100)
Comparison verdict
Comparing the Realme C3 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 63 points higher (91/100 vs 28/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 27/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 10/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 43/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme C3 (99/100 vs 27/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Realme C3 (89/100 vs 38/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme C3 (96/100 vs 10/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Realme C3 (85/100 vs 43/100). In the "portability" category, the Realme C3 is a bit better (51/100 vs 39/100).
Specs comparison
| Specification | Realme C3 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G70 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 317084 | 4247433 | |
| Geekbench Single | 417 | 3639 | |
| Geekbench Multi | 1345 | 11047 | |
| Display | 6.5" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 720x1560 | 3168x1440 | |
| Refresh rate | — | 120 Hz | |
| Battery | 5000 mAh | 7000 mAh | |
| Charging | 10W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 12 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 5 MP | 32 MP | |
| RAM | 2GB / 3GB / 4GB | 12GB / 16GB | |
| Storage | 32GB / 64GB | 256GB / 512GB / 1TB | |
| OS | Android 10.0; realme UI 1.0 | Android 16 | |
| Brightness (peak) | 480 nits | — | |
| NFC | no | yes | |
| Protection | — | IP69 | |
| Dimensions | 164.4×75.0×9.0 mm | 163.0×76.8×8.2 mm | |
| Weight | 195 g | 230 g | |
| Launch price | — | $950 |
Camera comparison
Realme C3
- Main: 12MP f/1.8
- Front: 5MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Realme C3
- 6.5" IPS LCD
- Resolution: 720x1560
- Refresh rate: —
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Realme C3
- 5000 mAh
- Wired: 10W
- No wireless charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Realme C3 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Realme C3 by 92.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme C3
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme C3 (99/100 vs 27/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Realme C3 (89/100 vs 38/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme C3 (96/100 vs 10/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Realme C3 (85/100 vs 43/100).
portability
In the "portability" category, the Realme C3 is a bit better (51/100 vs 39/100).
Frequently asked questions
Which is better: the Realme C3 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Realme C3 by 63 points (91/100 vs 28/100).
What is the rating of the Realme C3 and the Vivo X300 Ultra?
The Realme C3 has a MobileRank rating of 28/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Realme C3 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 10/100).
Which is more powerful: the Realme C3 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 27/100).
Should you choose the Realme C3 over the Vivo X300 Ultra?
The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.