Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Realme - GT 7 Pro | Xiaomi 15 Ultra |
|---|---|---|
| Front camera | 16 MP | 32 MP |
| Wireless charging | 50 W | 80 W |
| Wired charging | 120 W | 90 W |
| Pixel density | 450 ppi | 522 ppi |
| Weight | 222.8 g | 229 g |
| Battery capacity | 5800 mAh | 6000 mAh |
Between the GT 7 Pro and Xiaomi 15 Ultra, the GT 7 Pro comes out ahead in wired charging / weight, while the Xiaomi 15 Ultra wins on front camera / wireless charging. Overall, the GT 7 Pro scores 71.3 and the Xiaomi 15 Ultra scores 71.5 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (71.3 vs 71.5). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the GT 7 Pro 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. The single most decisive one: Wired charging — 33.33% more. 120 W vs 90 W.
Pick the Xiaomi 15 Ultra if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are front camera, wireless charging, pixel density, among others. The single most decisive one: Front camera — 100.00% more. 32 MP vs 16 MP.
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: Realme - GT 7 Pro or Xiaomi 15 Ultra?
Xiaomi 15 Ultra leads the current Mars Score by 0.2 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 Realme - GT 7 Pro if…
Realme - GT 7 Pro has the measurable edge on wired charging w, weight g, screen size in.
Choose Xiaomi 15 Ultra if…
Xiaomi 15 Ultra has the measurable edge on front cam mp, wireless charging w, pixel density ppi.
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 Realme - GT 7 Pro wins
- ▲Wired charging — 33.33% more. 120 W vs 90 W.
- ▲Weight — 6.20 g less. 222.8 vs 229.
- ▲Screen size — 0.74% more. 6.78 " vs 6.73 ".
Why Xiaomi 15 Ultra wins
- ▲Front camera — 100.00% more. 32 MP vs 16 MP.
- ▲Wireless charging — 60.00% more. 80 W vs 50 W.
- ▲Pixel density — 16.00% more. 522 ppi vs 450 ppi.
- ▲Battery capacity — 3.45% more. 6000 mAh vs 5800 mAh.
- ▲AnTuTu — 1.49% more. 2720000 vs 2680000.
Spec comparison
Design
| Spec | Realme - GT 7 Pro | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 222.8 glead | 229 g |
| Thickness | 8.55 mmlead | 9.4 mm |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | bar | bar |
Display
| Spec | Realme - GT 7 Pro | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.78 "lead | 6.73 " |
| Pixel densityⓘ | 450 ppi | 522 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 6500 nitslead | 3200 nits |
Performance
| Spec | Realme - GT 7 Pro | Xiaomi 15 Ultra |
|---|---|---|
| RAMⓘ | 16 GB | 16 GB |
| Storageⓘ | 512 GB | 512 GB |
| AnTuTuⓘ | 2680000 | 2720000lead |
| CPU total clockⓘ | 22.8 GHz | 22.8 GHz |
Cameras
| Spec | Realme - GT 7 Pro | Xiaomi 15 Ultra |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 16 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Realme - GT 7 Pro | Xiaomi 15 Ultra |
|---|---|---|
| Battery capacityⓘ | 5800 mAh | 6000 mAhlead |
| Wired chargingⓘ | 120 Wlead | 90 W |
| Wireless chargingⓘ | 50 W | 80 Wlead |
Connectivity
| Spec | Realme - GT 7 Pro | Xiaomi 15 Ultra |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Realme - GT 7 Pro | Xiaomi 15 Ultra |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 4 years | 4 years |
Frequently asked
Which has better battery, GT 7 Pro or Xiaomi 15 Ultra?+
Xiaomi 15 Ultra has 3.4% more battery — 5800 mAh vs 6000 mAh.
Which is lighter, GT 7 Pro or Xiaomi 15 Ultra?+
GT 7 Pro is 6g lighter — 222.8g vs 229g.
Is GT 7 Pro waterproof?+
GT 7 Pro has an IP68 rating.
Does Xiaomi 15 Ultra support 5G?+
Yes, Xiaomi 15 Ultra supports 5G.
Which has a better camera, GT 7 Pro or Xiaomi 15 Ultra?+
Xiaomi 15 Ultra has a 50 MP main camera vs 50 MP.