Technical blocks/Redstone Comparator

Java Edition
1.5			13w01a				Redstone comparators have extra, unobtainable item forms corresponding to their block IDs. They can be obtained via the /give command or inventory editors with numeric item IDs 149 and 150.
1.7.2			13w37a				The direct item forms of redstone comparators have been removed from the game. They can no longer exist as items in any way, only as placed blocks.
Pocket Edition Alpha
v0.14.0							Redstone comparators exist as an item.

Appearances

Unpowered comparator

Java Edition
1.5			13w01a				The unpowered comparator item uses this texture in inventories, when held in first or third person view, as a dropped item or when in an item frame
			13w02a				The unpowered comparator item now uses this texture in inventories, when held in first or third person view, as a dropped item or when in an item frame.
							This is due to major texture storage changes in this version.

Powered comparator

Java Edition
1.5			13w01a				The powered comparator item uses this texture in inventories, when held in first or third person view, as a dropped item or when in an item frame
			13w02a				The powered comparator item now uses this texture in inventories, when held in first or third person view, as a dropped item or when in an item frame.
							This is due to major texture storage changes in this version.
Pocket Edition Alpha
v0.14.0							Powered comparators use this texture.
Bedrock Edition
1.10.0			beta 1.10.0.3				Powered comparators use this texture.

Names

Unpowered comparator

Java Edition

• 13w01a - 13w25b: [Has no defined name, rendering a minimum-length text box if highlighted]
• 13w25c - 13w36b: tile.comparator.name

When given using the /give command, it is announced as tile.comparator.name.

Powered comparator

Java Edition

• 13w01a - 13w25b: [Has no defined name, rendering a minimum-length text box if highlighted]
• 13w25c - 13w36b: tile.comparator.name

When given using the /give command, it is announced as tile.comparator.name.

Unpowered comparator

Pocket Edition

• v0.14.0 Alpha - v0.14.3 Alpha: tile.comparator_off.name

Bedrock Edition

• v0.15.0 Alpha - now: tile.unpowered_comparator.name

Powered comparator

Pocket Edition

• v0.14.0 Alpha - v0.14.3 Alpha: tile.comparator_on.name

Bedrock Edition

• v0.15.0 Alpha - now: tile.powered_comparator.name