I have shot 80 eldx and eldm out of my 22 GT, have killed a couple animals with both. As posted by many others the eldx didn’t shoot near as good as the eldm out of my rifle, ~1.25”+ vs ~.75” for 10 shots.
I’ve seen some mention of the 80 eldm not working as consistently as some of the bigger diameter eldm’s but that is what I chose to stick with going forward because they shoot better, can be had for almost half of what the eldx costs and still seem to kill quickly based on my small sample size of harvests. I also have a bunch of tmk’s but haven’t shot any of those out of the GT yet.
I would try them both for a few 10 shot groups then buy a bunch of whichever one shoots better or costs less if they’re grouping similarly.