Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Nubia - Z70 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| Wireless charging | 15 W | 80 W |
| Front camera | 16 MP | 32 MP |
| Pixel density | 388 ppi | 522 ppi |
| Wired charging | 80 W | 100 W |
| Refresh rate | 144 Hz | 120 Hz |
| AnTuTu | 2640000 | 2950000 |
Between the Z70 Ultra and Xiaomi 16 Ultra, the Z70 Ultra comes out ahead in refresh rate / battery capacity, while the Xiaomi 16 Ultra wins on wireless charging / front camera. Overall, the Z70 Ultra scores 72.4 and the Xiaomi 16 Ultra scores 72.4 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes; the decision sits on which individual spec advantages weigh more for 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. The single most decisive one: Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
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. The single most decisive one: Wireless charging — 433.33% more. 80 W vs 15 W.
Both ship with comparable ram, main camera, 5g support, so those specs do not 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 says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Nubia - Z70 Ultra or Xiaomi 16 Ultra?
The two products are effectively tied on the current Mars Score.The more useful decision is the trade-off behind that result: compare screen size, pixel density, battery capacity against the way you will actually use the product.
Choose Nubia - Z70 Ultra if…
Nubia - Z70 Ultra has the measurable edge on refresh rate hz, battery capacity mah, weight g.
Choose Xiaomi 16 Ultra if…
Xiaomi 16 Ultra has the measurable edge on wireless charging w, front cam mp, pixel density ppi.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
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
| Spec | Nubia - Z70 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| RAMⓘ | 16 GB | 16 GB |
| Storageⓘ | 512 GB | 512 GB |
| AnTuTuⓘ | 2640000 | 2950000lead |
| CPU total clockⓘ | 22.8 GHz | 23.4 GHzlead |
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.