Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Microsoft - Surface Pro 12 | Xiaomi - Pad 7 Pro |
|---|---|---|
| Weight | 686 g | 500 g |
| Peak brightness | 400 nits | 800 nits |
| Refresh rate | 90 Hz | 144 Hz |
| RAM | 16 GB | 12 GB |
| Screen size | 12 " | 11.2 " |
Between the Surface Pro 12 and Pad 7 Pro, the Surface Pro 12 comes out ahead in ram / screen size, while the Pad 7 Pro wins on weight / peak brightness. Overall, the Surface Pro 12 scores 58.7 and the Pad 7 Pro scores 63.9 on our Mars Score.
Which should you buy?
The Pad 7 Pro edges ahead on the Mars Score (58.7 vs 63.9), but the 5.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Surface Pro 12 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 ram, screen size. The single most decisive one: RAM — 33.33% more. 16 GB vs 12 GB.
Pick the Pad 7 Pro if you care most about weight / peak brightness. Its strongest claims are weight, peak brightness, refresh rate. The single most decisive one: Weight — 186.00 g less. 500 vs 686.
Both ship with comparable storage, stylus support, so those specs do not separate the two — focus on the differences below.
Bottom line: the Pad 7 Pro is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Microsoft - Surface Pro 12 or Xiaomi - Pad 7 Pro?
Xiaomi - Pad 7 Pro leads the current Mars Score by 5.2 points.The more useful decision is the trade-off behind that result: compare screen size, ram, refresh rate against the way you will actually use the product.
Choose Microsoft - Surface Pro 12 if…
Microsoft - Surface Pro 12 has the measurable edge on ram gb, screen size in.
Choose Xiaomi - Pad 7 Pro if…
Xiaomi - Pad 7 Pro has the measurable edge on weight g, peak brightness nits, refresh rate hz.
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 Microsoft - Surface Pro 12 wins
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲Screen size — 7.14% more. 12 " vs 11.2 ".
Why Xiaomi - Pad 7 Pro wins
- ▲Weight — 186.00 g less. 500 vs 686.
- ▲Peak brightness — 100.00% more. 800 nits vs 400 nits.
- ▲Refresh rate — 60.00% more. 144 Hz vs 90 Hz.
Spec comparison
Display
| Spec | Microsoft - Surface Pro 12 | Xiaomi - Pad 7 Pro |
|---|---|---|
| Screen size | 12 "lead | 11.2 " |
| Refresh rateⓘ | 90 Hz | 144 Hzlead |
| Panelⓘ | LCD | LCD |
| Peak brightnessⓘ | 400 nits | 800 nitslead |
Performance
Design
| Spec | Microsoft - Surface Pro 12 | Xiaomi - Pad 7 Pro |
|---|---|---|
| Weight | 686 g | 500 glead |
| Stylus support | true | true |
| Cellular | false | false |
| OS | Windowslead | Android |