Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Apple - iPad Air 11 M3 | Microsoft - Surface Go 4 |
|---|---|---|
| Weight | 460 g | 521 g |
| Peak brightness | 500 nits | 350 nits |
| Screen size | 11 " | 10.5 " |
Between the iPad Air 11 M3 and Surface Go 4, the iPad Air 11 M3 comes out ahead in weight / peak brightness, while the Surface Go 4 wins on several specs. Overall, the iPad Air 11 M3 scores 57.4 and the Surface Go 4 scores 54.9 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (57.4 vs 54.9). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the iPad Air 11 M3 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 weight, peak brightness, screen size. The single most decisive one: Weight — 61.00 g less. 460 vs 521.
The Surface Go 4 similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable ram, storage, 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: Apple - iPad Air 11 M3 or Microsoft - Surface Go 4?
Apple - iPad Air 11 M3 leads the current Mars Score by 2.5 points.The more useful decision is the trade-off behind that result: compare screen size against the way you will actually use the product.
Choose Apple - iPad Air 11 M3 if…
Apple - iPad Air 11 M3 has the measurable edge on weight g, peak brightness nits, screen size in.
Choose Microsoft - Surface Go 4 if…
Microsoft - Surface Go 4 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 Apple - iPad Air 11 M3 wins
- ▲Weight — 61.00 g less. 460 vs 521.
- ▲Peak brightness — 42.86% more. 500 nits vs 350 nits.
- ▲Screen size — 4.76% more. 11 " vs 10.5 ".
Why Microsoft - Surface Go 4 wins
- No decisive advantages.
Spec comparison
Display
| Spec | Apple - iPad Air 11 M3 | Microsoft - Surface Go 4 |
|---|---|---|
| Screen size | 11 "lead | 10.5 " |
| Refresh rateⓘ | 60 Hz | 60 Hz |
| Panelⓘ | LCD | LCD |
| Peak brightnessⓘ | 500 nitslead | 350 nits |
Performance
Design
| Spec | Apple - iPad Air 11 M3 | Microsoft - Surface Go 4 |
|---|---|---|
| Weight | 460 glead | 521 g |
| Stylus support | true | true |
| Cellular | truelead | false |
| OS | iPadOS | Windowslead |