HP ProBook 450 G8 is €86 cheaper today, 23% below the other.
Over the 42 days of the last 90 both were for sale, the HP ProBook 450 G8 was the cheaper one on 42 of 42 days, by €75 to €84, and the two stayed close enough that either price is fair.
None of the three facts this site researches separates them.
Price history: the lowest price we saw each week
- HP ProBook 450 G8€273 now
- HP ProBook 450 G9€356 now
Week of 5 October 2026
- HP ProBook 450 G8PCLiquidations
- €273
- HP ProBook 450 G9Online Used Laptops
- €356
Every week, as a table
| Week | HP ProBook 450 G8 | HP ProBook 450 G9 |
|---|---|---|
| 24 August 2026 | €273 | €348 |
| 31 August 2026 | €273 | €348 |
| 7 September 2026 | €273 | €357 |
| 14 September 2026 | €273 | €356 |
| 21 September 2026 | €273 | €356 |
| 28 September 2026 | €273 | €356 |
| 5 October 2026 | €273 | €356 |
What differs between them
No shop states these. We looked them up ourselves, and we say when.
| Fact | HP ProBook 450 G8 | HP ProBook 450 G9 |
|---|---|---|
| Linux support | Linux runs on this laptop. “Pop!_OS 21.04”linux-hardware.org, checked 6 September 2026. | Linux runs on this laptop. “The HP ProBook 450 Gen 9 offers broad operating system compatibility, including support for various Windows versions and popular Linux distributions.”invgate.com, checked 6 September 2026. |
| Soldered RAM | The RAM can be upgraded. “On the bright side, there are two RAM SODIMM slots, that can fit up to 32GB of DDR4 memory in dual channel mode.”laptopmedia.com, checked 6 September 2026. | The RAM can be upgraded. “The RAM is upgradeable; there are two DDR4-3200 slots.”notebookcheck.net, checked 6 September 2026. |
| Screen quality | Reviewers rate this screen well. “HP ProBook 450 G8’s IPS panel has a Full HD resolution, comfortable viewing angles, good contrast ratio, and a non-flickering backlight.”laptopmedia.com, checked 6 September 2026. | Reviewers rate this screen well. “HP ProBook 450 G9’s IPS panel has a Full HD resolution, comfortable viewing angles, and a good contrast ratio.”laptopmedia.com, checked 6 September 2026. |
HP ProBook 450 G8 and HP ProBook 450 G9HP ProBook 450 G8 and HP ProBook 450 G9 each have a page of their own.