Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Vivo - X200 | Xiaomi 15 Ultra |
|---|---|---|
| Wireless charging | 30 W | 80 W |
| RAM | 12 GB | 16 GB |
| Weight | 202 g | 229 g |
| Pixel density | 460 ppi | 522 ppi |
| AnTuTu | 2620000 | 2720000 |
| Battery capacity | 5800 mAh | 6000 mAh |
Between the X200 and Xiaomi 15 Ultra, the X200 comes out ahead in weight, while the Xiaomi 15 Ultra wins on wireless charging / ram. Overall, the X200 scores 70.8 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 (70.8 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 X200 if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight. The single most decisive one: Weight — 27.00 g less. 202 vs 229.
Pick the Xiaomi 15 Ultra if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are wireless charging, ram, pixel density, among others. The single most decisive one: Wireless charging — 166.67% more. 80 W vs 30 W.
Both ship with comparable main camera, refresh rate, 5g support, 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: Vivo - X200 or Xiaomi 15 Ultra?
Xiaomi 15 Ultra leads the current Mars Score by 0.7 points.The more useful decision is the trade-off behind that result: compare screen size, ram, pixel density, battery capacity against the way you will actually use the product.
Choose Vivo - X200 if…
Vivo - X200 has the measurable edge on weight g.
Choose Xiaomi 15 Ultra if…
Xiaomi 15 Ultra has the measurable edge on wireless charging w, ram gb, 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 Vivo - X200 wins
- ▲Weight — 27.00 g less. 202 vs 229.
Why Xiaomi 15 Ultra wins
- ▲Wireless charging — 166.67% more. 80 W vs 30 W.
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲Pixel density — 13.48% more. 522 ppi vs 460 ppi.
- ▲AnTuTu — 3.82% more. 2720000 vs 2620000.
- ▲Battery capacity — 3.45% more. 6000 mAh vs 5800 mAh.
- ▲Screen size — 0.90% more. 6.73 " vs 6.67 ".
Spec comparison
Design
| Spec | Vivo - X200 | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 202 glead | 229 g |
| Thickness | 8.0 mmlead | 9.4 mm |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | bar | bar |
Display
| Spec | Vivo - X200 | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.67 " | 6.73 "lead |
| Pixel densityⓘ | 460 ppi | 522 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 4500 nitslead | 3200 nits |
Performance
| Spec | Vivo - X200 | Xiaomi 15 Ultra |
|---|---|---|
| RAMⓘ | 12 GB | 16 GBlead |
| Storageⓘ | 256 GB | 512 GBlead |
| AnTuTuⓘ | 2620000 | 2720000lead |
| CPU total clockⓘ | 22.4 GHz | 22.8 GHzlead |
Cameras
| Spec | Vivo - X200 | Xiaomi 15 Ultra |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 32 MP | 32 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Vivo - X200 | Xiaomi 15 Ultra |
|---|---|---|
| Battery capacityⓘ | 5800 mAh | 6000 mAhlead |
| Wired chargingⓘ | 90 W | 90 W |
| Wireless chargingⓘ | 30 W | 80 Wlead |
Connectivity
| Spec | Vivo - X200 | Xiaomi 15 Ultra |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Vivo - X200 | Xiaomi 15 Ultra |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 4 years | 4 years |
Frequently asked
Which has better battery, X200 or Xiaomi 15 Ultra?+
Xiaomi 15 Ultra has 3.4% more battery — 5800 mAh vs 6000 mAh.
Which is lighter, X200 or Xiaomi 15 Ultra?+
X200 is 27g lighter — 202g vs 229g.
Is X200 waterproof?+
X200 has an IP68 rating.
Does Xiaomi 15 Ultra support 5G?+
Yes, Xiaomi 15 Ultra supports 5G.
Which has more RAM, X200 or Xiaomi 15 Ultra?+
Xiaomi 15 Ultra offers 16GB of RAM.
Which has a better camera, X200 or Xiaomi 15 Ultra?+
Xiaomi 15 Ultra has a 50 MP main camera vs 50 MP.