Google Analytics split by page path against segment from GA. Same source, different outcome.

I have two different Querries, where however overall the same should come out.

I want to check the former on my blog pages.

The KPI in both queries is ENTRIES.

In one of them I divided into PAGE PATH and then used a SUMIFS(Page Path, "*/blog/*") to get the sums of all ENTRIES for my blog pages.

In the other one I used a segment from GA in which I use LANDINGPAGE CONTAINS /blog/. 

Now different values come out, but in my opinion, I should get the same values.

Can someone explain to me why these values differ?

Or if deviations can be explained, which of the values is the more exact one? 

I am sorry that i cant attach a file.

Thank you in advance 

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