Nubia NaviX Ultra vs Realme C75x
The Nubia NaviX Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Realme C75x (2025) runs on the MediaTek Helio G81 Ultra. By overall MobileRank rating, the Nubia NaviX Ultra leads — 92/100 vs 39/100 (a 53-point difference). Key differences: the Nubia NaviX Ultra has the bigger battery (7100 mAh vs 5600); the main camera is 200 MP vs 50 MP; the Nubia NaviX Ultra is faster in AnTuTu (3,950,082 vs 358,608); the Nubia NaviX Ultra has NFC for contactless payments, the Realme C75x doesn't.
Profile comparison
Category scores
Nubia NaviX Ultra
Realme C75x
What makes Nubia NaviX Ultra better?
- Higher AnTuTu: 3950082 vs 358608
- Better Geekbench Single: 3639 vs 432
- Better Geekbench Multi: 11047 vs 1416
- Bigger battery: 7100 vs 5600 mAh
- Faster charging: 90W vs 45W
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (98/100 vs 30/100)
- Better camera (96/100 vs 30/100)
- Longer battery life (85/100 vs 55/100)
- Better display (94/100 vs 55/100)
What makes Realme C75x better?
- Lighter: 196g vs 208g
- Better portability (62/100 vs 59/100)
Comparison verdict
Comparing the Nubia NaviX Ultra vs the Realme C75x, the Nubia NaviX Ultra scores 53 points higher (92/100 vs 39/100). In the "performance" category, the Nubia NaviX Ultra leads (98/100 vs 30/100). In the "camera" category, the Nubia NaviX Ultra leads (96/100 vs 30/100). In the "battery" category, the Nubia NaviX Ultra leads (85/100 vs 55/100). In the "performance" category, the Nubia NaviX Ultra significantly outperforms the Realme C75x (98/100 vs 30/100). In the "display" category, the Nubia NaviX Ultra significantly outperforms the Realme C75x (94/100 vs 55/100). In the "camera" category, the Nubia NaviX Ultra significantly outperforms the Realme C75x (96/100 vs 30/100). In the "battery" category, the Nubia NaviX Ultra significantly outperforms the Realme C75x (85/100 vs 55/100). In the "portability" category, the Realme C75x and the Nubia NaviX Ultra are nearly equal (62/100 vs 59/100).
Specs comparison
| Specification | Nubia NaviX Ultra | Realme C75x | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Helio G81 Ultra | |
| AnTuTu | 3950082 | 358608 | |
| Geekbench Single | 3639 | 432 | |
| Geekbench Multi | 11047 | 1416 | |
| Display | 6.8" LTPO OLED | 6.7" IPS LCD | |
| Resolution | 1260x2800 | 720x1604 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7100 mAh | 5600 mAh | |
| Charging | 90W | 45W | |
| Wireless charging | 50W | 0W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 64 MP | 0 MP | |
| Front camera | 32 MP | 5 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 15, Realme UI 6.0 | |
| Brightness (peak) | 4500 nits | 625 nits | |
| NFC | yes | no | |
| Protection | — | IP68 | |
| Dimensions | 162.1×75.7×7.6 mm | 165.7×76.2×8.0 mm | |
| Weight | 208 g | 196 g | |
| Launch price | $845 | — |
Camera comparison
Nubia NaviX Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 64MP
- Front: 32MP
Realme C75x
- Main: 50MP f/1.8
- Front: 5MP
Display comparison
Nubia NaviX Ultra
- 6.8" LTPO OLED
- Resolution: 1260x2800
- Refresh rate: 144 Hz
Realme C75x
- 6.7" IPS LCD
- Resolution: 720x1604
- Refresh rate: 120 Hz
Battery and charging
Nubia NaviX Ultra
- 7100 mAh
- Wired: 90W
- Wireless: 50W
Realme C75x
- 5600 mAh
- Wired: 45W
- No wireless charging
Overall performance score
We compared Nubia NaviX Ultra and Realme C75x, covering their specs and all relevant benchmarks.
Nubia NaviX Ultra leads Realme C75x by 1001.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme C75x
Price unknownDetailed category analysis
performance
In the "performance" category, the Nubia NaviX Ultra significantly outperforms the Realme C75x (98/100 vs 30/100).
display
In the "display" category, the Nubia NaviX Ultra significantly outperforms the Realme C75x (94/100 vs 55/100).
camera
In the "camera" category, the Nubia NaviX Ultra significantly outperforms the Realme C75x (96/100 vs 30/100).
battery
In the "battery" category, the Nubia NaviX Ultra significantly outperforms the Realme C75x (85/100 vs 55/100).
portability
In the "portability" category, the Realme C75x and the Nubia NaviX Ultra are nearly equal (62/100 vs 59/100).
Frequently asked questions
Which is better: the Nubia NaviX Ultra or the Realme C75x?
The Nubia NaviX Ultra significantly outperforms the Realme C75x by 53 points (92/100 vs 39/100).
What is the rating of the Nubia NaviX Ultra and the Realme C75x?
The Nubia NaviX Ultra has a MobileRank rating of 92/100, the Realme C75x — 39/100.
Which has the better camera: the Nubia NaviX Ultra or the Realme C75x?
The Nubia NaviX Ultra leads on camera score (96/100 vs 30/100).
Which is more powerful: the Nubia NaviX Ultra or the Realme C75x?
The Nubia NaviX Ultra leads on performance (98/100 vs 30/100).
Should you choose the Nubia NaviX Ultra over the Realme C75x?
The Nubia NaviX Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.