Samsung - Galaxy S25 Ultra vs Samsung - Galaxy Z Fold 7
Between the Galaxy S25 Ultra and Galaxy Z Fold 7, the Galaxy S25 Ultra comes out ahead in main camera and wired charging, while the Galaxy Z Fold 7 wins on ram and screen size. Overall, the Galaxy S25 Ultra scores 73.9 and the Galaxy Z Fold 7 scores 69.5 on our Mars Score.
Which should you buy?
The Galaxy S25 Ultra edges ahead on the Mars Score (73.9 vs 69.5), but the 4.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Galaxy S25 Ultra if you photograph or shoot video regularly and want the better imaging pipeline of the two. The biggest gaps in its favor are main camera, wired charging, pixel density, among others.
Pick the Galaxy Z Fold 7 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 ram, screen size, weight.
Both ship with comparable refresh rate, 5g support, water resistance, 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 S25 Ultra wins
- ▲Main camera — 300.00% more. 200 MP vs 50 MP.
- ▲Wired charging — 80.00% more. 45 W vs 25 W.
- ▲Pixel density — 33.96% more. 501 ppi vs 374 ppi.
- ▲Front camera — 20.00% more. 12 MP vs 10 MP.
- ▲Battery capacity — 13.64% more. 5000 mAh vs 4400 mAh.
- ▲AnTuTu — 4.88% more. 2150000 vs 2050000.
Why Samsung - Galaxy Z Fold 7 wins
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲Screen size — 10.14% more. 7.6 " vs 6.9 ".
- ▲Weight — 3.00 g less. 215 vs 218.
Spec comparison
Design
| Spec | Samsung - Galaxy S25 Ultra | Samsung - Galaxy Z Fold 7 |
|---|---|---|
| Weight | 218 g | 215 glead |
| Thickness | 8.2 mmlead | 10.6 mm |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | bar | foldable_booklead |
Display
| Spec | Samsung - Galaxy S25 Ultra | Samsung - Galaxy Z Fold 7 |
|---|---|---|
| Screen sizeⓘ | 6.9 " | 7.6 "lead |
| Pixel densityⓘ | 501 ppilead | 374 ppi |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2600 nits | 2600 nits |
Performance
Cameras
| Spec | Samsung - Galaxy S25 Ultra | Samsung - Galaxy Z Fold 7 |
|---|---|---|
| Main cameraⓘ | 200 MPlead | 50 MP |
| Front camera | 12 MPlead | 10 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Samsung - Galaxy S25 Ultra | Samsung - Galaxy Z Fold 7 |
|---|---|---|
| Battery capacity | 5000 mAhlead | 4400 mAh |
| Wired chargingⓘ | 45 Wlead | 25 W |
| Wireless chargingⓘ | 15 W | 15 W |
Connectivity
| Spec | Samsung - Galaxy S25 Ultra | Samsung - Galaxy Z Fold 7 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Samsung - Galaxy S25 Ultra | Samsung - Galaxy Z Fold 7 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 7 years | 7 years |
Frequently asked
Which has better battery, Galaxy S25 Ultra or Galaxy Z Fold 7?+
Galaxy S25 Ultra has 13.6% more battery — 5000 mAh vs 4400 mAh.
Which is lighter, Galaxy S25 Ultra or Galaxy Z Fold 7?+
Galaxy Z Fold 7 is 3g lighter — 218g vs 215g.
Is Galaxy S25 Ultra waterproof?+
Galaxy S25 Ultra has an IP68 rating.
Does Galaxy Z Fold 7 support 5G?+
Yes, Galaxy Z Fold 7 supports 5G.
Which has more RAM, Galaxy S25 Ultra or Galaxy Z Fold 7?+
Galaxy Z Fold 7 offers 16GB of RAM.
Which has a better camera, Galaxy S25 Ultra or Galaxy Z Fold 7?+
Galaxy S25 Ultra has a 200 MP main camera vs 50 MP.
Spec-level deep dives
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