Realme C83 vs Xiaomi 17 Ultra (China)
The Realme C83 (2026) runs on the MediaTek Dimensity 6300, while the Xiaomi 17 Ultra (China) (2025) runs on the Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 40/100 (a 47-point difference). Key differences: the Realme C83 has the bigger battery (7000 mAh vs 6800); the main camera is 13 MP vs 50 MP; the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,950,082 vs 528,398); the Xiaomi 17 Ultra (China) has NFC for contactless payments, the Realme C83 doesn't.
Profile comparison
Category scores
Realme C83
Xiaomi 17 Ultra (China)
What makes Realme C83 better?
- Bigger battery: 7000 vs 6800 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 212g vs 224g
- Better portability (48/100 vs 42/100)
What makes Xiaomi 17 Ultra (China) better?
- Higher AnTuTu: 3950082 vs 528398
- Better Geekbench Single: 3639 vs 771
- Better Geekbench Multi: 11047 vs 1980
- Faster charging: 90W vs 15W
- Better main camera: 50MP vs 13MP
- Higher performance (98/100 vs 43/100)
- Better camera (87/100 vs 10/100)
- Longer battery life (83/100 vs 55/100)
- Better display (81/100 vs 65/100)
Comparison verdict
Comparing the Realme C83 vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 47 points higher (87/100 vs 40/100). In the "performance" category, the Xiaomi 17 Ultra (China) leads (98/100 vs 43/100). In the "camera" category, the Xiaomi 17 Ultra (China) leads (87/100 vs 10/100). In the "battery" category, the Xiaomi 17 Ultra (China) leads (83/100 vs 55/100). In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Realme C83 (98/100 vs 43/100). In the "display" category, the Xiaomi 17 Ultra (China) notably outperforms the Realme C83 (81/100 vs 65/100). In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Realme C83 (87/100 vs 10/100). In the "battery" category, the Xiaomi 17 Ultra (China) notably outperforms the Realme C83 (83/100 vs 55/100). In the "portability" category, the Realme C83 is a bit better (48/100 vs 42/100).
Specs comparison
| Specification | Realme C83 | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 528398 | 3950082 | |
| Geekbench Single | 771 | 3639 | |
| Geekbench Multi | 1980 | 11047 | |
| Display | 6.8" IPS LCD | 6.9" LTPO AMOLED | |
| Resolution | 720x1570 | 1200x2608 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 6800 mAh | |
| Charging | 15W | 90W | |
| Wireless charging | 0W | 50W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 5 MP | 50 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 512GB / 1TB | |
| OS | Android 16, Realme UI 7.0 | Android 16 | |
| Brightness (peak) | 900 nits | — | |
| NFC | no | yes | |
| Protection | IP64 | IP68/IP69 | |
| Dimensions | 166.3×78.1×8.4 mm | 162.9×77.6×8.3 mm | |
| Weight | 212 g | 224 g | |
| Launch price | — | $892 |
Camera comparison
Realme C83
- Main: 13MP f/2.2
- Front: 5MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Realme C83
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Xiaomi 17 Ultra (China)
- 6.9" LTPO AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Battery and charging
Realme C83
- 7000 mAh
- Wired: 15W
- No wireless charging
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Realme C83 and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra (China) leads Realme C83 by 86.6% 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 Xiaomi 17 Ultra (China) significantly outperforms the Realme C83 (98/100 vs 43/100).
display
In the "display" category, the Xiaomi 17 Ultra (China) notably outperforms the Realme C83 (81/100 vs 65/100).
camera
In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Realme C83 (87/100 vs 10/100).
battery
In the "battery" category, the Xiaomi 17 Ultra (China) notably outperforms the Realme C83 (83/100 vs 55/100).
portability
In the "portability" category, the Realme C83 is a bit better (48/100 vs 42/100).
Frequently asked questions
Which is better: the Realme C83 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) significantly outperforms the Realme C83 by 47 points (87/100 vs 40/100).
What is the rating of the Realme C83 and the Xiaomi 17 Ultra (China)?
The Realme C83 has a MobileRank rating of 40/100, the Xiaomi 17 Ultra (China) — 87/100.
Which has the better camera: the Realme C83 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 10/100).
Which is more powerful: the Realme C83 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 43/100).
Should you choose the Realme C83 over the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.