Redstone circuits/Logic/XNOR

Basic XNOR gate (A)
Lever XNOR gate (B)
XNOR gate (F)
Compact Piston XNOR gate (I)
Design A B F I
Size 3×8×2 3×6×2 5×5×2 7×3×1
Torches 8 4 4 1
Redstone 8 5 11 4
Repeaters 0 0 0 3
Speed (ticks) 3 2 2 1-2
Output direction fwd. fwd. rev. fwd.
Also needs levers sticky piston