The gap between the Ideapad 4800U and the base model 14 inch MacBook Pro is a bit wider, but you'll also get a better display panel and LPDDR5-6400[1] memory.
We'll have to see how the lower specced M1 Pros perform, but it's hardly clear cut.
[1] https://www.anandtech.com/show/17019/apple-announced-m1-pro-...
Edit: I just looked up the price of the cheapest MacBook Pro with a M1 Max processor and it's about 70% more expensive than the Ideapad 4800U. However, with double the memory and much better quality memory and a better display and it seems roughly about 70% better multithreaded performance in Geekbench workloads. Furthermore, you may get very similar performance on CPU bound workloads with the 10 core M1 Pro, the cheapest of which is only 52% more expensive than the Ideapad 4800U.
It's a bit unfair to compare multicore performance of a chip with 8 cores firing full blast against another 8 core chip with half of them being efficiency cores.
The M1 Max (with 8 performance cores) multicore performance score posted on Geekbench is nearly double the top posted multicore performance scores of the 5800U and 4800U (let alone single core, which the original M1 already managed to dominate).
It'll be interesting to see how it goes in terms of performance-per-a-watt. Which is what really matters in this product segment. The graphs Apple presented indicated that this new line up will be less efficient than the original M1 at lower power levels, but they'll be able to hit it out of the park at higher power levels. We'll have to wait to see the results from the likes of Anandtech to get the full story though.
Personally, I'd love to see a MacBook 14 SE with an O.G. M1, 32 GB memory, a crappy 720p webcam, and no notch. I'd buy as many of those as they'd sell me.
I'm curious to see how the M1 Pro compares to the M1 Max. They are both very similar processors with the main differences being the size of the integrated GPU and the memory bandwidth available.
https://browser.geekbench.com/v5/cpu/search?utf8=%E2%9C%93&q...
https://browser.geekbench.com/v5/cpu/search?utf8=%E2%9C%93&q...