Between the OnePlus 14 and Xiaomi 15 Pro, the OnePlus 14 comes out ahead in wired charging and weight, while the Xiaomi 15 Pro wins on pixel density and battery capacity. Overall, the OnePlus 14 scores 73.8 and the Xiaomi 15 Pro scores 74 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (73.8 vs 74). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the OnePlus 14 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 wired charging, weight, screen size.
Pick the Xiaomi 15 Pro if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are pixel density, battery capacity, antutu.
Both ship with comparable ram, main camera, refresh rate, 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 OnePlus 14 wins
- ▲Wired charging — 11.11% more. 100 W vs 90 W.
- ▲Weight — 3.00 g less. 210 vs 213.
- ▲Screen size — 0.74% more. 6.78 " vs 6.73 ".
Why Xiaomi 15 Pro wins
- ▲Pixel density — 2.35% more. 522 ppi vs 510 ppi.
- ▲Battery capacity — 1.67% more. 6100 mAh vs 6000 mAh.
- ▲AnTuTu — 0.37% more. 2710000 vs 2700000.
Spec comparison
Design
| Spec | OnePlus 14 | Xiaomi 15 Pro |
|---|---|---|
| Weight | 210 glead | 213 g |
| Thickness | 8.6 mm | 8.4 mmlead |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | bar | bar |
Display
| Spec | OnePlus 14 | Xiaomi 15 Pro |
|---|---|---|
| Screen sizeⓘ | 6.78 "lead | 6.73 " |
| Pixel densityⓘ | 510 ppi | 522 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 4500 nitslead | 3200 nits |
Performance
Cameras
| Spec | OnePlus 14 | Xiaomi 15 Pro |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 32 MP | 32 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | OnePlus 14 | Xiaomi 15 Pro |
|---|---|---|
| Battery capacity | 6000 mAh | 6100 mAhlead |
| Wired chargingⓘ | 100 Wlead | 90 W |
| Wireless chargingⓘ | 50 W | 50 W |
Connectivity
| Spec | OnePlus 14 | Xiaomi 15 Pro |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | OnePlus 14 | Xiaomi 15 Pro |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 4 years | 4 years |
Frequently asked
Which has better battery, OnePlus 14 or Xiaomi 15 Pro?+
Xiaomi 15 Pro has 1.7% more battery — 6000 mAh vs 6100 mAh.
Which is lighter, OnePlus 14 or Xiaomi 15 Pro?+
OnePlus 14 is 3g lighter — 210g vs 213g.
Is OnePlus 14 waterproof?+
OnePlus 14 has an IP68 rating.
Does Xiaomi 15 Pro support 5G?+
Yes, Xiaomi 15 Pro supports 5G.
Which has a better camera, OnePlus 14 or Xiaomi 15 Pro?+
Xiaomi 15 Pro has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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