Samsung - Galaxy Tab A9+ vs Microsoft - Surface Pro 12
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - Galaxy Tab A9+ | Microsoft - Surface Pro 12 |
|---|---|---|
| RAM | 4 GB | 16 GB |
| Storage | 64 GB | 256 GB |
| Weight | 491 g | 686 g |
| Peak brightness | 480 nits | 400 nits |
| Screen size | 11 " | 12 " |
| Stylus support | false | true |
Between the Galaxy Tab A9+ and Surface Pro 12, the Galaxy Tab A9+ comes out ahead in weight / peak brightness, while the Surface Pro 12 wins on ram / storage. Overall, the Galaxy Tab A9+ scores 55.4 and the Surface Pro 12 scores 58.7 on our Mars Score.
Which should you buy?
The Surface Pro 12 edges ahead on the Mars Score (55.4 vs 58.7), but the 3.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Galaxy Tab A9+ 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. The single most decisive one: Weight — 195.00 g less. 491 vs 686.
Pick the Surface Pro 12 if you care most about ram / storage. Its strongest claims are ram, storage, screen size, among others. The single most decisive one: RAM — 300.00% more. 16 GB vs 4 GB.
Both ship with comparable 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: Samsung - Galaxy Tab A9+ or Microsoft - Surface Pro 12?
Microsoft - Surface Pro 12 leads the current Mars Score by 3.3 points.The more useful decision is the trade-off behind that result: compare screen size, ram, storage against the way you will actually use the product.
Choose Samsung - Galaxy Tab A9+ if…
Samsung - Galaxy Tab A9+ has the measurable edge on weight g, peak brightness nits.
Choose Microsoft - Surface Pro 12 if…
Microsoft - Surface Pro 12 has the measurable edge on ram gb, storage gb, screen size in.
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 Samsung - Galaxy Tab A9+ wins
- ▲Weight — 195.00 g less. 491 vs 686.
- ▲Peak brightness — 20.00% more. 480 nits vs 400 nits.
Why Microsoft - Surface Pro 12 wins
- ▲RAM — 300.00% more. 16 GB vs 4 GB.
- ▲Storage — 300.00% more. 256 GB vs 64 GB.
- ▲Screen size — 9.09% more. 12 " vs 11 ".
- ▲Has Stylus support.
Spec comparison
Display
| Spec | Samsung - Galaxy Tab A9+ | Microsoft - Surface Pro 12 |
|---|---|---|
| Screen size | 11 " | 12 "lead |
| Refresh rateⓘ | 90 Hz | 90 Hz |
| Panelⓘ | LCD | LCD |
| Peak brightnessⓘ | 480 nitslead | 400 nits |
Performance
Design
| Spec | Samsung - Galaxy Tab A9+ | Microsoft - Surface Pro 12 |
|---|---|---|
| Weight | 491 glead | 686 g |
| Stylus support | false | truelead |
| Cellular | truelead | false |
| OS | Android | Windowslead |