Northern brewer hops question

[IrishBrewer74]

Made a really simple beer consisting of just Pilsen extract and 1oz of Northern Brewer hops for 60 mins. I am looking to brew it agin but just realized I bought US Northern Brewer hops and I think I used German Northern Brewer last time. These are about 1% less AAU.

What, if any, difference should I expect?

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[samc]

For bittering I personally wouldn't think I could tell any difference. Other pallets might argue the point.