Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | OnePlus 13 | Xiaomi 15 Pro |
|---|---|---|
| Wired charging | 100 W | 90 W |
| Weight | 210 g | 213 g |
| AnTuTu | 2640000 | 2710000 |
| Pixel density | 510 ppi | 522 ppi |
| Battery capacity | 6000 mAh | 6100 mAh |
| Screen size | 6.82 " | 6.73 " |
Between the OnePlus 13 and Xiaomi 15 Pro, the OnePlus 13 comes out ahead in wired charging / weight, while the Xiaomi 15 Pro wins on antutu / pixel density. Overall, the OnePlus 13 scores 72.3 and the Xiaomi 15 Pro scores 72.4 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (72.3 vs 72.4). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the OnePlus 13 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, among others. The single most decisive one: Wired charging — 11.11% more. 100 W vs 90 W.
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 antutu, pixel density, battery capacity. The single most decisive one: AnTuTu — 2.65% more. 2710000 vs 2640000.
Both ship with comparable ram, main camera, refresh rate, so those specs do not 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 says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: OnePlus 13 or Xiaomi 15 Pro?
Xiaomi 15 Pro leads the current Mars Score by 0.1 points.The more useful decision is the trade-off behind that result: compare screen size, pixel density, battery capacity against the way you will actually use the product.
Choose OnePlus 13 if…
OnePlus 13 has the measurable edge on wired charging w, weight g, screen size in.
Choose Xiaomi 15 Pro if…
Xiaomi 15 Pro has the measurable edge on antutu score, pixel density ppi, battery capacity mah.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why OnePlus 13 wins
- ▲Wired charging — 11.11% more. 100 W vs 90 W.
- ▲Weight — 3.00 g less. 210 vs 213.
- ▲Screen size — 1.34% more. 6.82 " vs 6.73 ".
- ▲Water resistance: IP69 (vs IP68).
Why Xiaomi 15 Pro wins
- ▲AnTuTu — 2.65% more. 2710000 vs 2640000.
- ▲Pixel density — 2.35% more. 522 ppi vs 510 ppi.
- ▲Battery capacity — 1.67% more. 6100 mAh vs 6000 mAh.
Spec comparison
Design
| Spec | OnePlus 13 | Xiaomi 15 Pro |
|---|---|---|
| Weight | 210 glead | 213 g |
| Thickness | 8.5 mm | 8.4 mmlead |
| Water resistanceⓘ | IP69lead | IP68 |
| Form factor | bar | bar |
Display
| Spec | OnePlus 13 | Xiaomi 15 Pro |
|---|---|---|
| Screen size | 6.82 "lead | 6.73 " |
| Pixel densityⓘ | 510 ppi | 522 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 4500 nitslead | 3200 nits |
Performance
| Spec | OnePlus 13 | Xiaomi 15 Pro |
|---|---|---|
| RAMⓘ | 16 GB | 16 GB |
| Storageⓘ | 512 GB | 512 GB |
| AnTuTuⓘ | 2640000 | 2710000lead |
| CPU total clockⓘ | 22.8 GHz | 22.8 GHz |
Cameras
| Spec | OnePlus 13 | Xiaomi 15 Pro |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 32 MP | 32 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | OnePlus 13 | Xiaomi 15 Pro |
|---|---|---|
| Battery capacityⓘ | 6000 mAh | 6100 mAhlead |
| Wired chargingⓘ | 100 Wlead | 90 W |
| Wireless chargingⓘ | 50 W | 50 W |
Connectivity
| Spec | OnePlus 13 | Xiaomi 15 Pro |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | OnePlus 13 | Xiaomi 15 Pro |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 4 years | 4 years |
Frequently asked
Which has better battery, OnePlus 13 or Xiaomi 15 Pro?+
Xiaomi 15 Pro has 1.7% more battery — 6000 mAh vs 6100 mAh.
Which is lighter, OnePlus 13 or Xiaomi 15 Pro?+
OnePlus 13 is 3g lighter — 210g vs 213g.
Is OnePlus 13 waterproof?+
OnePlus 13 has an IP69 rating.
Does Xiaomi 15 Pro support 5G?+
Yes, Xiaomi 15 Pro supports 5G.
Which has a better camera, OnePlus 13 or Xiaomi 15 Pro?+
Xiaomi 15 Pro has a 50 MP main camera vs 50 MP.