Between the Z70 Ultra and Xiaomi 16 Ultra, the Z70 Ultra comes out ahead in refresh rate and battery capacity, while the Xiaomi 16 Ultra wins on wireless charging and front camera. Overall, the Z70 Ultra scores 75.1 and the Xiaomi 16 Ultra scores 74.3 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (75.1 vs 74.3). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the Z70 Ultra if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are refresh rate, battery capacity, weight, among others.
Pick the Xiaomi 16 Ultra if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are wireless charging, front camera, pixel density, among others.
Both ship with comparable ram, main camera, 5g support, so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Nubia - Z70 Ultra wins
- ▲Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
- ▲Battery capacity — 2.50% more. 6150 mAh vs 6000 mAh.
- ▲Weight — 2.00 g less. 227 vs 229.
- ▲Screen size — 1.78% more. 6.85 " vs 6.73 ".
Why Xiaomi 16 Ultra wins
- ▲Wireless charging — 433.33% more. 80 W vs 15 W.
- ▲Front camera — 100.00% more. 32 MP vs 16 MP.
- ▲Pixel density — 34.54% more. 522 ppi vs 388 ppi.
- ▲Wired charging — 25.00% more. 100 W vs 80 W.
- ▲AnTuTu — 11.74% more. 2950000 vs 2640000.
- ▲Promised OS updates: 5 (vs 3).
Spec comparison
Design
| Spec | Nubia - Z70 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| Weight | 227 glead | 229 g |
| Thickness | 8.7 mmlead | 9.2 mm |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | bar | bar |
Display
| Spec | Nubia - Z70 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| Screen sizeⓘ | 6.85 "lead | 6.73 " |
| Pixel densityⓘ | 388 ppi | 522 ppilead |
| Refresh rateⓘ | 144 Hzlead | 120 Hz |
| Peak brightnessⓘ | 2000 nits | 3200 nitslead |
Performance
Cameras
| Spec | Nubia - Z70 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 16 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Nubia - Z70 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| Battery capacity | 6150 mAhlead | 6000 mAh |
| Wired chargingⓘ | 80 W | 100 Wlead |
| Wireless chargingⓘ | 15 W | 80 Wlead |
Connectivity
| Spec | Nubia - Z70 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Nubia - Z70 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 3 years | 5 yearslead |
Frequently asked
Which has better battery, Z70 Ultra or Xiaomi 16 Ultra?+
Z70 Ultra has 2.5% more battery — 6150 mAh vs 6000 mAh.
Which is lighter, Z70 Ultra or Xiaomi 16 Ultra?+
Z70 Ultra is 2g lighter — 227g vs 229g.
Is Z70 Ultra waterproof?+
Z70 Ultra has an IP68 rating.
Does Xiaomi 16 Ultra support 5G?+
Yes, Xiaomi 16 Ultra supports 5G.
Which has a better camera, Z70 Ultra or Xiaomi 16 Ultra?+
Xiaomi 16 Ultra has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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