Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Apple - Mac mini M2 | Apple - Mac mini M4 Pro |
|---|---|---|
| RAM | 8 GB | 24 GB |
| Storage | 256 GB | 512 GB |
| TDP | 20 W | 65 W |
| Volume | 1.4 L | 0.34 L |
Between the Mac mini M2 and Mac mini M4 Pro, the Mac mini M2 comes out ahead in tdp, while the Mac mini M4 Pro wins on ram / storage. Overall, the Mac mini M2 scores 53.8 and the Mac mini M4 Pro scores 69.1 on our Mars Score.
Which should you buy?
The Mac mini M4 Pro is the clear pick on raw spec strength, leading by 15.3 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Mac mini M2 if you care most about tdp. The biggest gaps in its favor are tdp. The single most decisive one: TDP — 45.00 W less. 20 vs 65.
Pick the Mac mini M4 Pro if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are ram, storage, volume. The single most decisive one: RAM — 200.00% more. 24 GB vs 8 GB.
Both ship with comparable thunderbolt, so those specs do not separate the two — focus on the differences below.
Bottom line: the Mac mini M4 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: Apple - Mac mini M2 or Apple - Mac mini M4 Pro?
Apple - Mac mini M4 Pro leads the current Mars Score by 15.3 points.The more useful decision is the trade-off behind that result: compare ram, storage, volume, tdp against the way you will actually use the product.
Choose Apple - Mac mini M2 if…
Apple - Mac mini M2 has the measurable edge on tdp w.
Choose Apple - Mac mini M4 Pro if…
Apple - Mac mini M4 Pro has the measurable edge on ram gb, storage gb, volume l.
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 - Mac mini M2 wins
- ▲TDP — 45.00 W less. 20 vs 65.
Why Apple - Mac mini M4 Pro wins
- ▲RAM — 200.00% more. 24 GB vs 8 GB.
- ▲Storage — 100.00% more. 512 GB vs 256 GB.
- ▲Volume — 1.06 L less. 0.34 vs 1.4.
Spec comparison
Core
Form & I/O
| Spec | Apple - Mac mini M2 | Apple - Mac mini M4 Pro |
|---|---|---|
| Volume | 1.4 L | 0.34 Llead |
| Weight | 1.18 kg | 0.73 kglead |
| TDPⓘ | 20 Wlead | 65 W |
| USB ports | 4 | 5lead |
| Thunderboltⓘ | true | true |