Nubia Z80 Ultra vs Realme C75x
The Nubia Z80 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 Z80 Ultra leads — 85/100 vs 39/100 (a 46-point difference). Key differences: the Nubia Z80 Ultra has the bigger battery (6500 mAh vs 5600); the Nubia Z80 Ultra is faster in AnTuTu (3,942,923 vs 358,608); the Nubia Z80 Ultra has NFC for contactless payments, the Realme C75x doesn't; the Realme C75x is noticeably lighter (196g vs 225g).
Profile comparison
Category scores
Nubia Z80 Ultra
Realme C75x
What makes Nubia Z80 Ultra better?
- Higher AnTuTu: 3942923 vs 358608
- Better Geekbench Single: 3639 vs 432
- Better Geekbench Multi: 11047 vs 1416
- Bigger battery: 6500 vs 5600 mAh
- Faster charging: 80W vs 45W
- Higher performance (98/100 vs 30/100)
- Better camera (79/100 vs 30/100)
- Longer battery life (81/100 vs 55/100)
- Better display (83/100 vs 55/100)
What makes Realme C75x better?
- Lighter: 196g vs 225g
- Better portability (62/100 vs 38/100)
Comparison verdict
Comparing the Nubia Z80 Ultra vs the Realme C75x, the Nubia Z80 Ultra scores 46 points higher (85/100 vs 39/100). In the "performance" category, the Nubia Z80 Ultra leads (98/100 vs 30/100). In the "camera" category, the Nubia Z80 Ultra leads (79/100 vs 30/100). In the "battery" category, the Nubia Z80 Ultra leads (81/100 vs 55/100). In the "performance" category, the Nubia Z80 Ultra significantly outperforms the Realme C75x (98/100 vs 30/100). In the "display" category, the Nubia Z80 Ultra notably outperforms the Realme C75x (83/100 vs 55/100). In the "camera" category, the Nubia Z80 Ultra significantly outperforms the Realme C75x (79/100 vs 30/100). In the "battery" category, the Nubia Z80 Ultra notably outperforms the Realme C75x (81/100 vs 55/100). In the "portability" category, the Realme C75x notably outperforms the Nubia Z80 Ultra (62/100 vs 38/100).
Specs comparison
| Specification | Nubia Z80 Ultra | Realme C75x | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Helio G81 Ultra | |
| AnTuTu | 3942923 | 358608 | |
| Geekbench Single | 3639 | 432 | |
| Geekbench Multi | 11047 | 1416 | |
| Display | 6.8" LTPO AMOLED | 6.7" IPS LCD | |
| Resolution | 2688x1216 | 720x1604 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 5600 mAh | |
| Charging | 80W | 45W | |
| Wireless charging | 80W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 64 MP | 0 MP | |
| Front camera | 16 MP | 5 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 15, Realme UI 6.0 | |
| Brightness (peak) | 2000 nits | 625 nits | |
| NFC | yes | no | |
| Protection | IP68 | IP68 | |
| Dimensions | 164.5×77.2×8.6 mm | 165.7×76.2×8.0 mm | |
| Weight | 225 g | 196 g | |
| Launch price | $749 | — |
Camera comparison
Nubia Z80 Ultra
- Main: 50MP f/1.59
- Ultrawide: 50MP
- Telephoto: 64MP
- Front: 16MP
Realme C75x
- Main: 50MP f/1.8
- Front: 5MP
Display comparison
Nubia Z80 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2688x1216
- Refresh rate: 120 Hz
Realme C75x
- 6.7" IPS LCD
- Resolution: 720x1604
- Refresh rate: 120 Hz
Battery and charging
Nubia Z80 Ultra
- 6500 mAh
- NanoReview test: web browsing 14:17 hrs, total 34:15 hrs
- Wired: 80W
- Wireless: 80W
Realme C75x
- 5600 mAh
- Wired: 45W
- No wireless charging
Overall performance score
We compared Nubia Z80 Ultra and Realme C75x, covering their specs and all relevant benchmarks.
Nubia Z80 Ultra leads Realme C75x by 999.5% 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 Z80 Ultra significantly outperforms the Realme C75x (98/100 vs 30/100).
display
In the "display" category, the Nubia Z80 Ultra notably outperforms the Realme C75x (83/100 vs 55/100).
camera
In the "camera" category, the Nubia Z80 Ultra significantly outperforms the Realme C75x (79/100 vs 30/100).
battery
In the "battery" category, the Nubia Z80 Ultra notably outperforms the Realme C75x (81/100 vs 55/100).
portability
In the "portability" category, the Realme C75x notably outperforms the Nubia Z80 Ultra (62/100 vs 38/100).
Frequently asked questions
Which is better: the Nubia Z80 Ultra or the Realme C75x?
The Nubia Z80 Ultra significantly outperforms the Realme C75x by 46 points (85/100 vs 39/100).
What is the rating of the Nubia Z80 Ultra and the Realme C75x?
The Nubia Z80 Ultra has a MobileRank rating of 85/100, the Realme C75x — 39/100.
Which has the better camera: the Nubia Z80 Ultra or the Realme C75x?
The Nubia Z80 Ultra leads on camera score (79/100 vs 30/100).
Which is more powerful: the Nubia Z80 Ultra or the Realme C75x?
The Nubia Z80 Ultra leads on performance (98/100 vs 30/100).
Should you choose the Nubia Z80 Ultra over the Realme C75x?
The Nubia Z80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.