Between the CMF Phone 1 and Galaxy S25 Ultra, the CMF Phone 1 comes out ahead in front camera and weight, while the Galaxy S25 Ultra wins on main camera and antutu. Overall, the CMF Phone 1 scores 61.4 and the Galaxy S25 Ultra scores 73.9 on our Mars Score.
Which should you buy?
The Galaxy S25 Ultra is the clear pick on raw spec strength, leading by 12.5 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the CMF Phone 1 if you photograph or shoot video regularly and want the better imaging pipeline of the two. The biggest gaps in its favor are front camera, weight.
Pick the Galaxy S25 Ultra if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are main camera, antutu, ram, among others.
Both ship with comparable battery capacity, refresh rate, 5g support, so those specs don't separate the two — focus on the differences below.
Bottom line: the Galaxy S25 Ultra is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Nothing - CMF Phone 1 wins
- ▲Front camera — 33.33% more. 16 MP vs 12 MP.
- ▲Weight — 21.00 g less. 197 vs 218.
Why Samsung - Galaxy S25 Ultra wins
- ▲Main camera — 300.00% more. 200 MP vs 50 MP.
- ▲AnTuTu — 283.93% more. 2150000 vs 560000.
- ▲RAM — 50.00% more. 12 GB vs 8 GB.
- ▲Wired charging — 36.36% more. 45 W vs 33 W.
- ▲Pixel density — 26.84% more. 501 ppi vs 395 ppi.
- ▲Screen size — 3.45% more. 6.9 " vs 6.67 ".
- ▲Has Optical image stabilization.
- ▲Water resistance: IP68 (vs IP52).
Spec comparison
Design
| Spec | Nothing - CMF Phone 1 | Samsung - Galaxy S25 Ultra |
|---|---|---|
| Weight | 197 glead | 218 g |
| Thickness | 8.2 mm | 8.2 mm |
| Water resistanceⓘ | IP52 | IP68lead |
| Form factor | bar | bar |
Display
| Spec | Nothing - CMF Phone 1 | Samsung - Galaxy S25 Ultra |
|---|---|---|
| Screen sizeⓘ | 6.67 " | 6.9 "lead |
| Pixel densityⓘ | 395 ppi | 501 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2000 nits | 2600 nitslead |
Performance
Cameras
| Spec | Nothing - CMF Phone 1 | Samsung - Galaxy S25 Ultra |
|---|---|---|
| Main cameraⓘ | 50 MP | 200 MPlead |
| Front camera | 16 MPlead | 12 MP |
| Optical image stabilizationⓘ | false | truelead |
Battery
| Spec | Nothing - CMF Phone 1 | Samsung - Galaxy S25 Ultra |
|---|---|---|
| Battery capacity | 5000 mAh | 5000 mAh |
| Wired chargingⓘ | 33 W | 45 Wlead |
| Wireless chargingⓘ | 0 W | 15 Wlead |
Connectivity
| Spec | Nothing - CMF Phone 1 | Samsung - Galaxy S25 Ultra |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | truelead | false |
Operating System
| Spec | Nothing - CMF Phone 1 | Samsung - Galaxy S25 Ultra |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 2 years | 7 yearslead |
Frequently asked
Which has better battery, CMF Phone 1 or Galaxy S25 Ultra?+
Galaxy S25 Ultra has 0.0% more battery — 5000 mAh vs 5000 mAh.
Which is lighter, CMF Phone 1 or Galaxy S25 Ultra?+
CMF Phone 1 is 21g lighter — 197g vs 218g.
Is CMF Phone 1 waterproof?+
CMF Phone 1 has an IP52 rating.
Does Galaxy S25 Ultra support 5G?+
Yes, Galaxy S25 Ultra supports 5G.
Which has more RAM, CMF Phone 1 or Galaxy S25 Ultra?+
Galaxy S25 Ultra offers 12GB of RAM.
Which has a better camera, CMF Phone 1 or Galaxy S25 Ultra?+
Galaxy S25 Ultra has a 200 MP main camera vs 50 MP.
Spec-level deep dives
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