Between the Galaxy S25 Ultra and X Fold 3 Pro, the Galaxy S25 Ultra comes out ahead in main camera and pixel density, while the X Fold 3 Pro wins on wireless charging and front camera. Overall, the Galaxy S25 Ultra scores 73.9 and the X Fold 3 Pro scores 73.1 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (73.9 vs 73.1). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
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, pixel density, weight, among others.
Pick the X Fold 3 Pro if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are wireless charging, front camera, wired charging, among others.
Both ship with comparable refresh rate, 5g support, optical image stabilization, 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.
- ▲Pixel density — 24.63% more. 501 ppi vs 402 ppi.
- ▲Weight — 18.00 g less. 218 vs 236.
- ▲AnTuTu — 3.86% more. 2150000 vs 2070000.
- ▲Promised OS updates: 7 (vs 4).
Why Vivo - X Fold 3 Pro wins
- ▲Wireless charging — 233.33% more. 50 W vs 15 W.
- ▲Front camera — 166.67% more. 32 MP vs 12 MP.
- ▲Wired charging — 122.22% more. 100 W vs 45 W.
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲Screen size — 16.38% more. 8.03 " vs 6.9 ".
- ▲Battery capacity — 14.00% more. 5700 mAh vs 5000 mAh.
- ▲Water resistance: IPX8 (vs IP68).
Spec comparison
Design
| Spec | Samsung - Galaxy S25 Ultra | Vivo - X Fold 3 Pro |
|---|---|---|
| Weight | 218 glead | 236 g |
| Thickness | 8.2 mmlead | 11.2 mm |
| Water resistanceⓘ | IP68 | IPX8lead |
| Form factor | bar | foldable_booklead |
Display
| Spec | Samsung - Galaxy S25 Ultra | Vivo - X Fold 3 Pro |
|---|---|---|
| Screen sizeⓘ | 6.9 " | 8.03 "lead |
| Pixel densityⓘ | 501 ppilead | 402 ppi |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2600 nits | 4500 nitslead |
Performance
Cameras
| Spec | Samsung - Galaxy S25 Ultra | Vivo - X Fold 3 Pro |
|---|---|---|
| Main cameraⓘ | 200 MPlead | 50 MP |
| Front camera | 12 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Samsung - Galaxy S25 Ultra | Vivo - X Fold 3 Pro |
|---|---|---|
| Battery capacity | 5000 mAh | 5700 mAhlead |
| Wired chargingⓘ | 45 W | 100 Wlead |
| Wireless chargingⓘ | 15 W | 50 Wlead |
Connectivity
| Spec | Samsung - Galaxy S25 Ultra | Vivo - X Fold 3 Pro |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Samsung - Galaxy S25 Ultra | Vivo - X Fold 3 Pro |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 7 yearslead | 4 years |
Frequently asked
Which has better battery, Galaxy S25 Ultra or X Fold 3 Pro?+
X Fold 3 Pro has 14.0% more battery — 5000 mAh vs 5700 mAh.
Which is lighter, Galaxy S25 Ultra or X Fold 3 Pro?+
Galaxy S25 Ultra is 18g lighter — 218g vs 236g.
Is Galaxy S25 Ultra waterproof?+
Galaxy S25 Ultra has an IP68 rating.
Does X Fold 3 Pro support 5G?+
Yes, X Fold 3 Pro supports 5G.
Which has more RAM, Galaxy S25 Ultra or X Fold 3 Pro?+
X Fold 3 Pro offers 16GB of RAM.
Which has a better camera, Galaxy S25 Ultra or X Fold 3 Pro?+
Galaxy S25 Ultra has a 200 MP main camera vs 50 MP.
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.