Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | ASUS - NUC 14 Essential | ASUS - ROG NUC (2025) |
|---|---|---|
| Storage | 256 GB | 2048 GB |
| RAM | 8 GB | 32 GB |
| TDP | 15 W | 170 W |
| Volume | 0.55 L | 2.5 L |
| Thunderbolt | false | true |
Between the NUC 14 Essential and ROG NUC (2025), the NUC 14 Essential comes out ahead in tdp / volume, while the ROG NUC (2025) wins on storage / ram. Overall, the NUC 14 Essential scores 62.1 and the ROG NUC (2025) scores 59.1 on our Mars Score.
Which should you buy?
The NUC 14 Essential edges ahead on the Mars Score (62.1 vs 59.1), but the 3.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the NUC 14 Essential if you care most about tdp / volume. The biggest gaps in its favor are tdp, volume. The single most decisive one: TDP — 155.00 W less. 15 vs 170.
Pick the ROG NUC (2025) 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 storage, ram, thunderbolt. The single most decisive one: Storage — 700.00% more. 2048 GB vs 256 GB.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
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: ASUS - NUC 14 Essential or ASUS - ROG NUC (2025)?
ASUS - NUC 14 Essential leads the current Mars Score by 3.0 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 ASUS - NUC 14 Essential if…
ASUS - NUC 14 Essential has the measurable edge on tdp w, volume l.
Choose ASUS - ROG NUC (2025) if…
ASUS - ROG NUC (2025) has the measurable edge on storage gb, ram gb, has thunderbolt.
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 ASUS - NUC 14 Essential wins
- ▲TDP — 155.00 W less. 15 vs 170.
- ▲Volume — 1.95 L less. 0.55 vs 2.5.
Why ASUS - ROG NUC (2025) wins
- ▲Storage — 700.00% more. 2048 GB vs 256 GB.
- ▲RAM — 300.00% more. 32 GB vs 8 GB.
- ▲Has Thunderbolt.
Spec comparison
Core
Form & I/O
| Spec | ASUS - NUC 14 Essential | ASUS - ROG NUC (2025) |
|---|---|---|
| Volume | 0.55 Llead | 2.5 L |
| Weight | 0.5 kglead | 1.5 kg |
| TDPⓘ | 15 Wlead | 170 W |
| USB ports | 4 | 7lead |
| Thunderboltⓘ | false | truelead |