Between the Zenfone 11 Ultra and MIX Fold 4, the Zenfone 11 Ultra comes out ahead in front camera and refresh rate, while the MIX Fold 4 wins on wireless charging and screen size. Overall, the Zenfone 11 Ultra scores 71.9 and the MIX Fold 4 scores 71.4 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (71.9 vs 71.4). 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 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 front camera, refresh rate, battery capacity, among others.
Pick the MIX Fold 4 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are wireless charging, screen size, 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 ASUS - Zenfone 11 Ultra wins
- ▲Front camera — 60.00% more. 32 MP vs 20 MP.
- ▲Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
- ▲Battery capacity — 7.84% more. 5500 mAh vs 5100 mAh.
- ▲Weight — 2.00 g less. 224 vs 226.
- ▲AnTuTu — 1.47% more. 2070000 vs 2040000.
Why Xiaomi - MIX Fold 4 wins
- ▲Wireless charging — 233.33% more. 50 W vs 15 W.
- ▲Screen size — 17.70% more. 7.98 " vs 6.78 ".
- ▲Pixel density — 3.61% more. 402 ppi vs 388 ppi.
- ▲Wired charging — 3.08% more. 67 W vs 65 W.
- ▲Water resistance: IPX8 (vs IP68).
- ▲Promised OS updates: 4 (vs 2).
Spec comparison
Design
| Spec | ASUS - Zenfone 11 Ultra | Xiaomi - MIX Fold 4 |
|---|---|---|
| Weight | 224 glead | 226 g |
| Thickness | 8.9 mmlead | 9.47 mm |
| Water resistanceⓘ | IP68 | IPX8lead |
| Form factor | bar | foldable_booklead |
Display
| Spec | ASUS - Zenfone 11 Ultra | Xiaomi - MIX Fold 4 |
|---|---|---|
| Screen sizeⓘ | 6.78 " | 7.98 "lead |
| Pixel densityⓘ | 388 ppi | 402 ppilead |
| Refresh rateⓘ | 144 Hzlead | 120 Hz |
| Peak brightnessⓘ | 2500 nits | 3000 nitslead |
Performance
Cameras
| Spec | ASUS - Zenfone 11 Ultra | Xiaomi - MIX Fold 4 |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 32 MPlead | 20 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | ASUS - Zenfone 11 Ultra | Xiaomi - MIX Fold 4 |
|---|---|---|
| Battery capacity | 5500 mAhlead | 5100 mAh |
| Wired chargingⓘ | 65 W | 67 Wlead |
| Wireless chargingⓘ | 15 W | 50 Wlead |
Connectivity
| Spec | ASUS - Zenfone 11 Ultra | Xiaomi - MIX Fold 4 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | ASUS - Zenfone 11 Ultra | Xiaomi - MIX Fold 4 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 2 years | 4 yearslead |
Frequently asked
Which has better battery, Zenfone 11 Ultra or MIX Fold 4?+
Zenfone 11 Ultra has 7.8% more battery — 5500 mAh vs 5100 mAh.
Which is lighter, Zenfone 11 Ultra or MIX Fold 4?+
Zenfone 11 Ultra is 2g lighter — 224g vs 226g.
Is Zenfone 11 Ultra waterproof?+
Zenfone 11 Ultra has an IP68 rating.
Does MIX Fold 4 support 5G?+
Yes, MIX Fold 4 supports 5G.
Which has a better camera, Zenfone 11 Ultra or MIX Fold 4?+
MIX Fold 4 has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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