What are redstone comparators used for in minecraft
Mia Ramsey
Published Mar 29, 2026

A redstone comparator is a redstone component used to maintain, compare, or subtract signal strength, or to measure certain block states (primarily the fullness of containers). ObtainingBreakingA redstone comparator can be broken instantly with any tool, including the player’s fist, and drops itself as an item. See moreUsageMaintain_signal_strengthA redstone comparator with no pow…Compare_signal_strengthA redstone comparator in comparis…Subtract_signal_strengthA redstone comparator i… See more
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The Redstone comparator is Minecraft’s most complex Redstone component. Unlike other components that are fairly obvious and upfront with their functions, the comparator’s functions are not as easily understood by simple observation. Redstone is Minecraft’s electricity. Players are able to use Redstone components to make contraptions and mechanisms to assist …
OverviewA vs. BSubtraction ModeThe Redstone Comparator is a complicated device in Minecraft. It has two operation modes, which can be toggled by right-clicking; the front torch indicates what mode it is in. Aside from these two actions, it has another two. · Text under CC-BY-SA license
The comparator turns on when input A (left) is powered, which powers the redstone dust directly in front of the furnace with a signal strength of 15, but the comparator does not turn on when input B (right) is powered. Poop lock-o-stable. Like repeaters, comparators can be used to make compact monostable circuits.
ObtainingUsageData ValuesA redstone comparator can be placed on the top of any opaque block with a solid full-height top surface (including upside-down slabs and upside-down stairs), as well as on hoppers. To place a redstone comparator, use the Place Block control. The redstone comparator has a front and a back — the arrow on the top of the comparator points to the front….
OverviewGalleryVideoRedstone Comparators are special and unique redstone blocks that are similar to Redstone Repeaters. Redstone comparators have three torches on them, allowing for complex redstone circuits to be built. Redstone comparators have three ports, with two being for input, the third for output. Redstone comparators also measure how many things an entity ho… · Text under CC-BY-SA license
Today, I’m going to teach you all about the redstone comparator. The comparator was added to Minecraft in version 1.5, alongside hoppers, nether bricks and cobwebs. To make one, you’ll need three stone, three redstone torches and a Nether quartz – meaning that you won’t be making one until you’ve ventured into the Nether at least once.
One of the main uses of a comaprator is to test the strength that some blocks give out such as: Cake, Cauldron, Command Block, End Portal Frame, Item Frame, Jukebox. A redstone comparator can be used to measure the state of a container, and outputs a signal strength in proportion to how full the container is (0 for empty, 15 for full, etc.).
What Do You Use Redstone For? So you’ve got yourself some redstone, now what? Personally, I like to use Redstone to make my life easier in survival mode, but you can use redstone to create anything from simple traps, doors, and logic gates, to automated farms, item sorting systems, puzzles and games, and even fully functional computing systems.
Related Questions
What is a Redstone comparator used for?
A redstone comparator can be used to measure the state of a container, and outputs a signal strength in proportion to how full the container is (0 for empty, 15 for full, etc.). The redstone comparator can take a signal strength input from its rear as well as from both sides.
What does a comparator do in Minecraft?
A redstone comparator is a redstone component used to maintain, compare, or subtract signal strength, or to measure certain block states (primarily the fullness of containers). A redstone comparator can be broken instantly with any tool, including the player’s fist, and drops itself as an item.
How complex is Redstone?
The truth is that redstone canbe complex, but there are plenty of simple things you can use it for that don’t require hours of study or copying a design from someone else. Today, I’m going to teach you all about the redstone comparator. The comparator was added to Minecraft in version 1.5, alongside hoppers, nether bricks and cobwebs.
What’s new in Redstone?
Redstone comparators can now be placed on glass, ice, glowstone and sea lanterns. Redstone comparators now measure how much honey is inside bee hives and bee nests.