HP ZBook Firefly G9 is €611 cheaper today, 61% below the other.
Over the 29 days of the last 90 both were for sale, the HP ZBook Firefly G9 was the cheaper one on 29 of 29 days, by €437 to €598, a gap wide enough to decide on by itself.
Linux support and the screen both differ between them.
Price history: the lowest price we saw each week
- Dell Precision 3581€964 now
- HP ZBook Firefly G9€375 now
Week of 5 October 2026
- Dell Precision 3581PCLiquidations
- €964
- HP ZBook Firefly G9Online Used Laptops
- €375
Every week, as a table
| Week | Dell Precision 3581 | HP ZBook Firefly G9 |
|---|---|---|
| 24 August 2026 | €709 | |
| 31 August 2026 | €709 | |
| 7 September 2026 | €973 | €402 |
| 14 September 2026 | €973 | €375 |
| 21 September 2026 | €973 | €375 |
| 28 September 2026 | €964 | €375 |
| 5 October 2026 | €964 | €375 |
What differs between them
No shop states these. We looked them up ourselves, and we say when.
| Fact | Dell Precision 3581 | HP ZBook Firefly G9 |
|---|---|---|
| Linux support | Linux runs on this laptop. “For Ubuntu: Follow the on-screen instructions to complete the setup.”doi-product-assets.s3.amazonaws.com, checked 6 September 2026. | nobody has published this yet |
| Soldered RAM | The RAM can be upgraded. “The RAM on the Dell Precision 3581 is Upgradable (64 GB Max) which is a big plus, you can choose to purchase a version with lower RAM size and upgrade in the future if it becomes a necessity.”laptopdecision.com, checked 6 September 2026. | The RAM can be upgraded. “Here, the two SODIMM slots are hidden beneath a metal bracket. The maximum supported capacity is 64GB of DDR5 RAM.”laptopmedia.com, checked 12 September 2026. |
| Screen quality | nobody has published this yet | Reviewers rate this screen poorly. “The screen's contrast ratio of 1,390:1 might be good, but that's the only area where the HP's display impresses. The lack of colour breadth and quality leaves the screen looking pallid.”itpro.com, checked 12 September 2026. |
Dell Precision 3581 and HP ZBook Firefly G9Dell Precision 3581 and HP ZBook Firefly G9 each have a page of their own.