Between the Galaxy Z Fold 7 and MIX Fold 4, the Galaxy Z Fold 7 comes out ahead in weight and promised os updates, while the MIX Fold 4 wins on wireless charging and wired charging. Overall, the Galaxy Z Fold 7 scores 69.5 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 (69.5 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 Galaxy Z Fold 7 if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are weight, promised os updates, antutu.
Pick the MIX Fold 4 if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are wireless charging, wired charging, front camera, among others.
Both ship with comparable ram, main camera, refresh rate, 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 Samsung - Galaxy Z Fold 7 wins
- ▲Weight — 11.00 g less. 215 vs 226.
- ▲Promised OS updates: 7 (vs 4).
- ▲AnTuTu — 0.49% more. 2050000 vs 2040000.
Why Xiaomi - MIX Fold 4 wins
- ▲Wireless charging — 233.33% more. 50 W vs 15 W.
- ▲Wired charging — 168.00% more. 67 W vs 25 W.
- ▲Front camera — 100.00% more. 20 MP vs 10 MP.
- ▲Battery capacity — 15.91% more. 5100 mAh vs 4400 mAh.
- ▲Pixel density — 7.49% more. 402 ppi vs 374 ppi.
- ▲Screen size — 5.00% more. 7.98 " vs 7.6 ".
- ▲Water resistance: IPX8 (vs IP68).
Spec comparison
Design
| Spec | Samsung - Galaxy Z Fold 7 | Xiaomi - MIX Fold 4 |
|---|---|---|
| Weight | 215 glead | 226 g |
| Thickness | 10.6 mm | 9.47 mmlead |
| Water resistanceⓘ | IP68 | IPX8lead |
| Form factor | foldable_book | foldable_book |
Display
| Spec | Samsung - Galaxy Z Fold 7 | Xiaomi - MIX Fold 4 |
|---|---|---|
| Screen sizeⓘ | 7.6 " | 7.98 "lead |
| Pixel densityⓘ | 374 ppi | 402 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2600 nits | 3000 nitslead |
Performance
Cameras
| Spec | Samsung - Galaxy Z Fold 7 | Xiaomi - MIX Fold 4 |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 10 MP | 20 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Samsung - Galaxy Z Fold 7 | Xiaomi - MIX Fold 4 |
|---|---|---|
| Battery capacity | 4400 mAh | 5100 mAhlead |
| Wired chargingⓘ | 25 W | 67 Wlead |
| Wireless chargingⓘ | 15 W | 50 Wlead |
Connectivity
| Spec | Samsung - Galaxy Z Fold 7 | Xiaomi - MIX Fold 4 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Samsung - Galaxy Z Fold 7 | Xiaomi - MIX Fold 4 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 7 yearslead | 4 years |
Frequently asked
Which has better battery, Galaxy Z Fold 7 or MIX Fold 4?+
MIX Fold 4 has 15.9% more battery — 4400 mAh vs 5100 mAh.
Which is lighter, Galaxy Z Fold 7 or MIX Fold 4?+
Galaxy Z Fold 7 is 11g lighter — 215g vs 226g.
Is Galaxy Z Fold 7 waterproof?+
Galaxy Z Fold 7 has an IP68 rating.
Does MIX Fold 4 support 5G?+
Yes, MIX Fold 4 supports 5G.
Which has a better camera, Galaxy Z Fold 7 or MIX Fold 4?+
MIX Fold 4 has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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