HP ZBook Firefly is €93 cheaper today, 27% below the other.
Over the 29 days of the last 90 both were for sale, the HP ZBook Firefly was the cheaper one on 29 of 29 days, by €62 to €94, a gap wide enough to decide on by itself.
Linux support and the RAM both differ between them.
Price history: the lowest price we saw each week
- Dell Precision 5540€330 now
- HP ZBook Firefly€241 now
Week of 5 October 2026
- Dell Precision 5540Online Used Laptops
- €330
- HP ZBook FireflyOnline Used Laptops
- €241
Every week, as a table
| Week | Dell Precision 5540 | HP ZBook Firefly |
|---|---|---|
| 24 August 2026 | €394 | |
| 31 August 2026 | €394 | |
| 7 September 2026 | €321 | €228 |
| 14 September 2026 | €321 | €228 |
| 21 September 2026 | €330 | €241 |
| 28 September 2026 | €330 | €241 |
| 5 October 2026 | €330 | €241 |
What differs between them
No shop states these. We looked them up ourselves, and we say when.
| Fact | Dell Precision 5540 | HP ZBook Firefly |
|---|---|---|
| Linux support | Linux runs on this laptop. “I did play around with the default installation, and I assume that they tuned it for optimal power management, and ensured that every single piece of hardware on the system will work to it's fullest for people who aren't tinkers like myself who like more of a DIY approach.”dylanmtaylor.com, checked 6 September 2026. | Linux runs on this laptop, with something not working. “I got a HP ZBook Firefly from my customer that I'm supposed to install UBUNTU on. It installed without a hitch, but when restarting after the instal (where desktop sound and everything has been working) i get greeted with a black screen.”h30434.www3.hp.com, checked 12 September 2026. |
| Soldered RAM | The RAM can be upgraded. “For your convenience, the manufacturer has put two RAM SODIMMs.”laptopmedia.com, checked 6 September 2026. | The RAM is soldered and cannot be upgraded. “Note: The memory is soldered and not user-upgradable.”laptopmedia.com, checked 12 September 2026. |
| Screen quality | Reviewers rate this screen well. “Dell Precision 5540’s display has an IPS panel with a Full HD resolution, comfortable viewing angles, great maximum brightness, and a good contrast ratio.”laptopmedia.com, checked 6 September 2026. | Reviewers rate this screen well. “The 1200p IPS display (BOE0C31) is suitable for work. The PWM-free unit offers wide viewing angles and 327 nits of max brightness.”laptopmedia.com, checked 12 September 2026. |
Dell Precision 5540 and HP ZBook FireflyDell Precision 5540 and HP ZBook Firefly each have a page of their own.