Between the Pixel 9 Pro Fold and Xiaomi 15, the Pixel 9 Pro Fold comes out ahead in ram and screen size, while the Xiaomi 15 wins on wireless charging and wired charging. Overall, the Pixel 9 Pro Fold scores 67.1 and the Xiaomi 15 scores 70 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (67.1 vs 70). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the Pixel 9 Pro Fold if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are ram, screen size, water resistance, among others.
Pick the Xiaomi 15 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 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 Google - Pixel 9 Pro Fold wins
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲Screen size — 25.79% more. 8.0 " vs 6.36 ".
- ▲Water resistance: IPX8 (vs IP68).
- ▲Promised OS updates: 7 (vs 4).
Why Xiaomi 15 wins
- ▲Wireless charging — 566.67% more. 50 W vs 7.5 W.
- ▲Wired charging — 328.57% more. 90 W vs 21 W.
- ▲Front camera — 220.00% more. 32 MP vs 10 MP.
- ▲AnTuTu — 116.13% more. 2680000 vs 1240000.
- ▲Weight — 65.00 g less. 192 vs 257.
- ▲Pixel density — 23.32% more. 460 ppi vs 373 ppi.
- ▲Battery capacity — 16.13% more. 5400 mAh vs 4650 mAh.
- ▲Main camera — 4.17% more. 50 MP vs 48 MP.
Spec comparison
Design
| Spec | Google - Pixel 9 Pro Fold | Xiaomi 15 |
|---|---|---|
| Weight | 257 g | 192 glead |
| Thickness | 10.5 mm | 8.1 mmlead |
| Water resistanceⓘ | IPX8lead | IP68 |
| Form factor | foldable_booklead | bar |
Display
| Spec | Google - Pixel 9 Pro Fold | Xiaomi 15 |
|---|---|---|
| Screen sizeⓘ | 8.0 "lead | 6.36 " |
| Pixel densityⓘ | 373 ppi | 460 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2700 nits | 3200 nitslead |
Performance
Cameras
| Spec | Google - Pixel 9 Pro Fold | Xiaomi 15 |
|---|---|---|
| Main cameraⓘ | 48 MP | 50 MPlead |
| Front camera | 10 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Google - Pixel 9 Pro Fold | Xiaomi 15 |
|---|---|---|
| Battery capacity | 4650 mAh | 5400 mAhlead |
| Wired chargingⓘ | 21 W | 90 Wlead |
| Wireless chargingⓘ | 7.5 W | 50 Wlead |
Connectivity
| Spec | Google - Pixel 9 Pro Fold | Xiaomi 15 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Google - Pixel 9 Pro Fold | Xiaomi 15 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 7 yearslead | 4 years |
Frequently asked
Which has better battery, Pixel 9 Pro Fold or Xiaomi 15?+
Xiaomi 15 has 16.1% more battery — 4650 mAh vs 5400 mAh.
Which is lighter, Pixel 9 Pro Fold or Xiaomi 15?+
Xiaomi 15 is 65g lighter — 257g vs 192g.
Is Pixel 9 Pro Fold waterproof?+
Pixel 9 Pro Fold has an IPX8 rating.
Does Xiaomi 15 support 5G?+
Yes, Xiaomi 15 supports 5G.
Which has more RAM, Pixel 9 Pro Fold or Xiaomi 15?+
Pixel 9 Pro Fold offers 16GB of RAM.
Which has a better camera, Pixel 9 Pro Fold or Xiaomi 15?+
Xiaomi 15 has a 50 MP main camera vs 48 MP.
Spec-level deep dives
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