Nubia Z70S Ultra vs Xiaomi 18 Fold
The Nubia Z70S Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 18 Fold (2026) runs on the Xiaomi XRING O3; launch prices were $600 and $1639. By overall MobileRank rating, the Xiaomi 18 Fold leads — 86/100 vs 81/100 (a 5-point difference). Key differences: the Nubia Z70S Ultra has the bigger battery (6600 mAh vs 6000); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Fold is faster in AnTuTu (5,228,014 vs 3,228,937); the Xiaomi 18 Fold is thinner (5.0mm vs 8.6mm).
Profile comparison
Category scores
Nubia Z70S Ultra
Xiaomi 18 Fold
What makes Nubia Z70S Ultra better?
- Bigger battery: 6600 vs 6000 mAh
- Faster charging: 80W vs 67W
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $600 vs $1639
- Better display (93/100 vs 79/100)
What makes Xiaomi 18 Fold better?
- Higher AnTuTu: 5228014 vs 3228937
- Better Geekbench Single: 3715 vs 3013
- Better Geekbench Multi: 14213 vs 9287
- Better main camera: 200MP vs 50MP
- Lighter: 219g vs 228g
- Higher performance (99/100 vs 92/100)
- Better camera (85/100 vs 79/100)
- Longer battery life (75/100 vs 66/100)
- Better portability (64/100 vs 36/100)
Comparison verdict
Comparing the Nubia Z70S Ultra vs the Xiaomi 18 Fold, the Xiaomi 18 Fold scores 5 points higher (86/100 vs 81/100). Value score: Nubia Z70S Ultra — 76/100, Xiaomi 18 Fold — 80/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Xiaomi 18 Fold is a bit better (99/100 vs 92/100). In the "display" category, the Nubia Z70S Ultra is a bit better (93/100 vs 79/100). In the "camera" category, the Xiaomi 18 Fold is a bit better (85/100 vs 79/100). In the "battery" category, the Xiaomi 18 Fold is a bit better (75/100 vs 66/100). In the "portability" category, the Xiaomi 18 Fold notably outperforms the Nubia Z70S Ultra (64/100 vs 36/100).
Specs comparison
| Specification | Nubia Z70S Ultra | Xiaomi 18 Fold | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Xiaomi XRING O3 | |
| AnTuTu | 3228937 | 5228014 | |
| Geekbench Single | 3013 | 3715 | |
| Geekbench Multi | 9287 | 14213 | |
| Display | 6.8" AMOLED | 7.6" LTPO AMOLED | |
| Resolution | 1216x2688 | 1672x2364 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 6600 mAh | 6000 mAh | |
| Charging | 80W | 67W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 64 MP | 50 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 12GB / 16GB / 24GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 2000 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP59 | |
| Dimensions | 164.3×77.1×8.6 mm | 159.7×145.1×5.0 mm | |
| Weight | 228 g | 219 g | |
| Launch price | $600 | $1639 |
Camera comparison
Nubia Z70S Ultra
- Main: 50MP f/1.7
- Ultrawide: 50MP
- Telephoto: 64MP
- Front: 16MP
Xiaomi 18 Fold
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 16MP
Display comparison
Nubia Z70S Ultra
- 6.8" AMOLED
- Resolution: 1216x2688
- Refresh rate: 144 Hz
Xiaomi 18 Fold
- 7.6" LTPO AMOLED
- Resolution: 1672x2364
- Refresh rate: 120 Hz
Battery and charging
Nubia Z70S Ultra
- 6600 mAh
- NanoReview test: web browsing 7:53 hrs, total 22:56 hrs
- Wired: 80W
- No wireless charging
Xiaomi 18 Fold
- 6000 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared Nubia Z70S Ultra and Xiaomi 18 Fold, covering their specs and all relevant benchmarks.
Xiaomi 18 Fold leads Nubia Z70S Ultra by 38.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $1039. Nubia Z70S Ultra was $1039 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 18 Fold is a bit better (99/100 vs 92/100).
display
In the "display" category, the Nubia Z70S Ultra is a bit better (93/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 18 Fold is a bit better (85/100 vs 79/100).
battery
In the "battery" category, the Xiaomi 18 Fold is a bit better (75/100 vs 66/100).
portability
In the "portability" category, the Xiaomi 18 Fold notably outperforms the Nubia Z70S Ultra (64/100 vs 36/100).
Frequently asked questions
Which is better: the Nubia Z70S Ultra or the Xiaomi 18 Fold?
The Xiaomi 18 Fold edges out the Nubia Z70S Ultra by just 5 points — the two devices are very close in overall level.
What is the rating of the Nubia Z70S Ultra and the Xiaomi 18 Fold?
The Nubia Z70S Ultra has a MobileRank rating of 81/100, the Xiaomi 18 Fold — 86/100.
Which has the better camera: the Nubia Z70S Ultra or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on camera score (85/100 vs 79/100).
Which is more powerful: the Nubia Z70S Ultra or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on performance (99/100 vs 92/100).
Should you choose the Nubia Z70S Ultra over the Xiaomi 18 Fold?
The Nubia Z70S Ultra is a better fit for gamers and power users, budget-conscious buyers. The Xiaomi 18 Fold is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.