Between the Pixel 9 and Xiaomi 15, the Pixel 9 comes out ahead in promised os updates, while the Xiaomi 15 wins on wired charging and wireless charging. Overall, the Pixel 9 scores 63.5 and the Xiaomi 15 scores 70 on our Mars Score.
Which should you buy?
The Xiaomi 15 edges ahead on the Mars Score (63.5 vs 70), but the 6.5-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Pixel 9 if you care most about promised os updates. The biggest gaps in its favor are promised os updates.
Pick the Xiaomi 15 if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are wired charging, wireless 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: the Xiaomi 15 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Google - Pixel 9 wins
- ▲Promised OS updates: 7 (vs 4).
Why Xiaomi 15 wins
- ▲Wired charging — 233.33% more. 90 W vs 27 W.
- ▲Wireless charging — 233.33% more. 50 W vs 15 W.
- ▲Front camera — 204.76% more. 32 MP vs 10.5 MP.
- ▲AnTuTu — 116.13% more. 2680000 vs 1240000.
- ▲Battery capacity — 14.89% more. 5400 mAh vs 4700 mAh.
- ▲Pixel density — 9.00% more. 460 ppi vs 422 ppi.
- ▲Weight — 6.00 g less. 192 vs 198.
- ▲Screen size — 0.95% more. 6.36 " vs 6.3 ".
Spec comparison
Design
| Spec | Google - Pixel 9 | Xiaomi 15 |
|---|---|---|
| Weight | 198 g | 192 glead |
| Thickness | 8.5 mm | 8.1 mmlead |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | bar | bar |
Display
| Spec | Google - Pixel 9 | Xiaomi 15 |
|---|---|---|
| Screen sizeⓘ | 6.3 " | 6.36 "lead |
| Pixel densityⓘ | 422 ppi | 460 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2700 nits | 3200 nitslead |
Performance
Cameras
| Spec | Google - Pixel 9 | Xiaomi 15 |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 10.5 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Google - Pixel 9 | Xiaomi 15 |
|---|---|---|
| Battery capacity | 4700 mAh | 5400 mAhlead |
| Wired chargingⓘ | 27 W | 90 Wlead |
| Wireless chargingⓘ | 15 W | 50 Wlead |
Connectivity
| Spec | Google - Pixel 9 | Xiaomi 15 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Google - Pixel 9 | Xiaomi 15 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 7 yearslead | 4 years |
Frequently asked
Which has better battery, Pixel 9 or Xiaomi 15?+
Xiaomi 15 has 14.9% more battery — 4700 mAh vs 5400 mAh.
Which is lighter, Pixel 9 or Xiaomi 15?+
Xiaomi 15 is 6g lighter — 198g vs 192g.
Is Pixel 9 waterproof?+
Pixel 9 has an IP68 rating.
Does Xiaomi 15 support 5G?+
Yes, Xiaomi 15 supports 5G.
Which has a better camera, Pixel 9 or Xiaomi 15?+
Xiaomi 15 has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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