Realme C83 vs Vivo X300 Ultra
The Realme C83 (2026) runs on the MediaTek Dimensity 6300, 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 40/100 (a 51-point difference). Key differences: the main camera is 13 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 528,398); the Vivo X300 Ultra has NFC for contactless payments, the Realme C83 doesn't; the Realme C83 is noticeably lighter (212g vs 230g).
Profile comparison
Category scores
Realme C83
Vivo X300 Ultra
What makes Realme C83 better?
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 212g vs 230g
- Better portability (48/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 528398
- Better Geekbench Single: 3639 vs 771
- Better Geekbench Multi: 11047 vs 1980
- Faster charging: 100W vs 15W
- Better main camera: 200MP vs 13MP
- Higher performance (99/100 vs 43/100)
- Better camera (96/100 vs 10/100)
- Longer battery life (85/100 vs 55/100)
- Better display (89/100 vs 65/100)
Comparison verdict
Comparing the Realme C83 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 51 points higher (91/100 vs 40/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 43/100). 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 55/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme C83 (99/100 vs 43/100). In the "display" category, the Vivo X300 Ultra notably outperforms the Realme C83 (89/100 vs 65/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme C83 (96/100 vs 10/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Realme C83 (85/100 vs 55/100). In the "portability" category, the Realme C83 is a bit better (48/100 vs 39/100).
Specs comparison
| Specification | Realme C83 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 528398 | 4247433 | |
| Geekbench Single | 771 | 3639 | |
| Geekbench Multi | 1980 | 11047 | |
| Display | 6.8" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 720x1570 | 3168x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 7000 mAh | |
| Charging | 15W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 13 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 5 MP | 32 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 16, Realme UI 7.0 | Android 16 | |
| Brightness (peak) | 900 nits | — | |
| NFC | no | yes | |
| Protection | IP64 | IP69 | |
| Dimensions | 166.3×78.1×8.4 mm | 163.0×76.8×8.2 mm | |
| Weight | 212 g | 230 g | |
| Launch price | — | $950 |
Camera comparison
Realme C83
- Main: 13MP f/2.2
- Front: 5MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Realme C83
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Realme C83
- 7000 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
Overall performance score
We compared Realme C83 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Realme C83 by 87.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme C83
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Realme C83 (99/100 vs 43/100).
display
In the "display" category, the Vivo X300 Ultra notably outperforms the Realme C83 (89/100 vs 65/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Realme C83 (96/100 vs 10/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Realme C83 (85/100 vs 55/100).
portability
In the "portability" category, the Realme C83 is a bit better (48/100 vs 39/100).
Frequently asked questions
Which is better: the Realme C83 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Realme C83 by 51 points (91/100 vs 40/100).
What is the rating of the Realme C83 and the Vivo X300 Ultra?
The Realme C83 has a MobileRank rating of 40/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Realme C83 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 10/100).
Which is more powerful: the Realme C83 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 43/100).
Should you choose the Realme C83 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.