Between the Zenfone 11 Ultra and Xiaomi 16 Ultra, the Zenfone 11 Ultra comes out ahead in refresh rate and weight, while the Xiaomi 16 Ultra wins on wireless charging and wired charging. Overall, the Zenfone 11 Ultra scores 71.9 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 (71.9 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 Zenfone 11 Ultra if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are refresh rate, weight, screen size.
Pick the Xiaomi 16 Ultra if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are wireless charging, wired charging, antutu, 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 ASUS - Zenfone 11 Ultra wins
- ▲Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
- ▲Weight — 5.00 g less. 224 vs 229.
- ▲Screen size — 0.74% more. 6.78 " vs 6.73 ".
Why Xiaomi 16 Ultra wins
- ▲Wireless charging — 433.33% more. 80 W vs 15 W.
- ▲Wired charging — 53.85% more. 100 W vs 65 W.
- ▲AnTuTu — 42.51% more. 2950000 vs 2070000.
- ▲Pixel density — 34.54% more. 522 ppi vs 388 ppi.
- ▲Battery capacity — 9.09% more. 6000 mAh vs 5500 mAh.
- ▲Promised OS updates: 5 (vs 2).
Spec comparison
Design
| Spec | ASUS - Zenfone 11 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| Weight | 224 glead | 229 g |
| Thickness | 8.9 mmlead | 9.2 mm |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | bar | bar |
Display
| Spec | ASUS - Zenfone 11 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| Screen sizeⓘ | 6.78 "lead | 6.73 " |
| Pixel densityⓘ | 388 ppi | 522 ppilead |
| Refresh rateⓘ | 144 Hzlead | 120 Hz |
| Peak brightnessⓘ | 2500 nits | 3200 nitslead |
Performance
Cameras
| Spec | ASUS - Zenfone 11 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 32 MP | 32 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | ASUS - Zenfone 11 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| Battery capacity | 5500 mAh | 6000 mAhlead |
| Wired chargingⓘ | 65 W | 100 Wlead |
| Wireless chargingⓘ | 15 W | 80 Wlead |
Connectivity
| Spec | ASUS - Zenfone 11 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | ASUS - Zenfone 11 Ultra | Xiaomi 16 Ultra |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 2 years | 5 yearslead |
Frequently asked
Which has better battery, Zenfone 11 Ultra or Xiaomi 16 Ultra?+
Xiaomi 16 Ultra has 9.1% more battery — 5500 mAh vs 6000 mAh.
Which is lighter, Zenfone 11 Ultra or Xiaomi 16 Ultra?+
Zenfone 11 Ultra is 5g lighter — 224g vs 229g.
Is Zenfone 11 Ultra waterproof?+
Zenfone 11 Ultra has an IP68 rating.
Does Xiaomi 16 Ultra support 5G?+
Yes, Xiaomi 16 Ultra supports 5G.
Which has a better camera, Zenfone 11 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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