Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Xiaomi 15 Pro | Xiaomi 16 Ultra |
|---|---|---|
| Wireless charging | 50 W | 80 W |
| Weight | 213 g | 229 g |
| Wired charging | 90 W | 100 W |
| AnTuTu | 2710000 | 2950000 |
| Battery capacity | 6100 mAh | 6000 mAh |
| Promised OS updates | 4 years | 5 years |
Between the Xiaomi 15 Pro and Xiaomi 16 Ultra, the Xiaomi 15 Pro comes out ahead in weight / battery capacity, while the Xiaomi 16 Ultra wins on wireless charging / wired charging. Overall, the Xiaomi 15 Pro scores 72.4 and the Xiaomi 16 Ultra scores 72.4 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes; the decision sits on which individual spec advantages weigh more for your use.
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. The biggest gaps in its favor are weight, battery capacity. The single most decisive one: Weight — 16.00 g less. 213 vs 229.
Pick the Xiaomi 16 Ultra if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are wireless charging, wired charging, antutu, among others. The single most decisive one: Wireless charging — 60.00% more. 80 W vs 50 W.
Both ship with comparable ram, main camera, screen size, 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: Xiaomi 15 Pro or Xiaomi 16 Ultra?
The two products are effectively tied on the current Mars Score.The more useful decision is the trade-off behind that result: compare battery capacity against the way you will actually use the product.
Choose Xiaomi 15 Pro if…
Xiaomi 15 Pro has the measurable edge on weight g, battery capacity mah.
Choose Xiaomi 16 Ultra if…
Xiaomi 16 Ultra has the measurable edge on wireless charging w, wired charging w, antutu score.
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 Xiaomi 15 Pro wins
- ▲Weight — 16.00 g less. 213 vs 229.
- ▲Battery capacity — 1.67% more. 6100 mAh vs 6000 mAh.
Why Xiaomi 16 Ultra wins
- ▲Wireless charging — 60.00% more. 80 W vs 50 W.
- ▲Wired charging — 11.11% more. 100 W vs 90 W.
- ▲AnTuTu — 8.86% more. 2950000 vs 2710000.
- ▲Promised OS updates: 5 (vs 4).
Spec comparison
Design
| Spec | Xiaomi 15 Pro | Xiaomi 16 Ultra |
|---|---|---|
| Weight | 213 glead | 229 g |
| Thickness | 8.4 mmlead | 9.2 mm |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | bar | bar |
Display
| Spec | Xiaomi 15 Pro | Xiaomi 16 Ultra |
|---|---|---|
| Screen size | 6.73 " | 6.73 " |
| Pixel densityⓘ | 522 ppi | 522 ppi |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 3200 nits | 3200 nits |
Performance
| Spec | Xiaomi 15 Pro | Xiaomi 16 Ultra |
|---|---|---|
| RAMⓘ | 16 GB | 16 GB |
| Storageⓘ | 512 GB | 512 GB |
| AnTuTuⓘ | 2710000 | 2950000lead |
| CPU total clockⓘ | 22.8 GHz | 23.4 GHzlead |
Cameras
| Spec | Xiaomi 15 Pro | Xiaomi 16 Ultra |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 32 MP | 32 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Xiaomi 15 Pro | Xiaomi 16 Ultra |
|---|---|---|
| Battery capacityⓘ | 6100 mAhlead | 6000 mAh |
| Wired chargingⓘ | 90 W | 100 Wlead |
| Wireless chargingⓘ | 50 W | 80 Wlead |
Connectivity
| Spec | Xiaomi 15 Pro | Xiaomi 16 Ultra |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Xiaomi 15 Pro | Xiaomi 16 Ultra |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 4 years | 5 yearslead |
Frequently asked
Which has better battery, Xiaomi 15 Pro or Xiaomi 16 Ultra?+
Xiaomi 15 Pro has 1.7% more battery — 6100 mAh vs 6000 mAh.
Which is lighter, Xiaomi 15 Pro or Xiaomi 16 Ultra?+
Xiaomi 15 Pro is 16g lighter — 213g vs 229g.
Is Xiaomi 15 Pro waterproof?+
Xiaomi 15 Pro has an IP68 rating.
Does Xiaomi 16 Ultra support 5G?+
Yes, Xiaomi 16 Ultra supports 5G.
Which has a better camera, Xiaomi 15 Pro or Xiaomi 16 Ultra?+
Xiaomi 16 Ultra has a 50 MP main camera vs 50 MP.