The differences between the 5000 and 7000 series of Philips hoovers may include several aspects, although specific information on the 7000 series is not available in my data. Here are some general points that could vary:

- Power and Performance: 7000 series vacuums could have slightly more power or improved technologies for better cleaning efficiency.
- Filters and Air Quality: They could include more advanced filters or improved filtration systems for better air quality.
- Accessories and Features: The accessories that come with the hoover, such as specific nozzles for different floor types, could be more varied or specialised in the 7000 series.
- Design and ergonomics: The design could be lighter or more ergonomic for better manoeuvrability.

For precise details, it is advisable to consult the official specifications for the 7000 series on the Philips website or from a retailer.