Registry record · minecraft:comparator

Redstone Comparator

Blocks Redstone

A redstone comparator measures, compares, or subtracts signal strengths and measures container inventory fullness.

See the exact in-game appearance on Minecraft Wiki

Versioned source data

Edition availability

Java Edition

Source version 26.1

Registry ID: 722
Source display name: Redstone Comparator
Maximum stack: 64

Bedrock Edition

Source version 1.26.60

Registry ID: 532
Source display name: Comparator
Maximum stack: 64
Component-based: Yes
Source version tag: Unclassified by source

From the recipe registry

Crafting recipe

Java · 26.1

Redstone Comparator1 crafted

Recipe data is supplied for Java Edition only in this source. Bedrock recipes are not inferred.

Field guide

Item details

How to obtain

Crafted from three smooth stone blocks, three redstone torches, and one Nether quartz in a crafting grid. Source
Requires nether quartz from the Nether, making it a key mid-game redstone milestone. Source

Practical uses

Reads the fullness of chests, barrels, hoppers, droppers, and decorated pots to output an analog signal (1-15). Source
Toggled between Comparison mode (front torch unlit) and Subtraction mode (front torch lit). Source

Mechanics

In subtraction mode, subtracts the highest side input signal strength from the rear input signal strength. Source

Reverse recipe lookup · Java · 26.1

Used In · Crafting recipes

0 outputs

No Java crafting outputs using Redstone Comparator are recorded in the selected source snapshot. This does not establish that the item has no other uses. Bedrock recipe data is not included.