diff --git a/lib/internal/util/comparisons.js b/lib/internal/util/comparisons.js
index d86e59adae9880..d26d887636c565 100644
--- a/lib/internal/util/comparisons.js
+++ b/lib/internal/util/comparisons.js
@@ -21,6 +21,7 @@ const {
   StringPrototypeValueOf,
   SymbolPrototypeValueOf,
   TypedArrayPrototypeGetSymbolToStringTag,
+  TypedArrayPrototypeGetByteLength,
   Uint8Array,
 } = primordials;
 
@@ -71,7 +72,8 @@ function areSimilarFloatArrays(a, b) {
   if (a.byteLength !== b.byteLength) {
     return false;
   }
-  for (let offset = 0; offset < a.byteLength; offset++) {
+  const len = TypedArrayPrototypeGetByteLength(a);
+  for (let offset = 0; offset < len; offset++) {
     if (a[offset] !== b[offset]) {
       return false;
     }