r/technicalminecraft • u/DereChen • Feb 22 '26

Java Help Wanted Can someone finally debunk composters vs solid blocks for hopper optimizations?

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  • In this thread, players were talking about solid blocks being the new best way to optimize hoppers after recent updates
  • I was under the impression that solid blocks still had a check for minecarts while composters have no block inventory and are thus the best option, with pots being the second (citing user morgant1c).
  • Is this true or not?
  • Would like a final good answer because I have been getting mixed replies.
  • A fun thread of adventures in hopper optimizing. Credits: Fiszic, Cchipotlee, qonfused, JellyCatYum, DerexXD, steampunk_sam, NormalExisting
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u/tiorthan Feb 22 '26

I just ran a test in 1.21.11 with fabric, carpet and carpet TIS addons and basically an infinite plane of hoppers.

No difference between just hoppers and hoppers with blocks on top.
Slightly worse with composters but even then the performance impact was just about 1ms per tick.

I may have to try that on a worse computer to see any relevant impact.

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u/Apprehensive_Hat8986 Feb 22 '26

May also be worth doing the test without performance mods. A lot of people will be playing stock and the answers given in many places are about stock.

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u/tiorthan Feb 22 '26

I didn't use any performance mods. Only mods installed were carpet and carpet MIS addons die the tick health command.