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 524,785); the Vivo X300 Ultra has NFC for contactless payments, the Realme C83 doesn't; the Realme C83 is noticeably lighter (212g vs 230g).
Realme C83
Vivo X300 Ultra
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 212g vs 230g
- Better portability (48/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 524785
- Better Geekbench Single: 3640 vs 771
- Better Geekbench Multi: 11033 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)
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).
| Specification | Realme C83 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 524785 | 4247433 | |
| Geekbench Single | 771 | 3640 | |
| Geekbench Multi | 1980 | 11033 | |
| 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 |
Realme C83
- Main: 13MP f/f/2.2
- Front: 5MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
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
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
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.
Realme C83
Price unknownperformance
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).
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 Realme C83 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, budget-conscious buyers.