diff --git a/backends/npu/tests/unittests/test_compare_op_npu.py b/backends/npu/tests/unittests/test_compare_op_npu.py
index 877e0533a..874470462 100755
--- a/backends/npu/tests/unittests/test_compare_op_npu.py
+++ b/backends/npu/tests/unittests/test_compare_op_npu.py
@@ -115,14 +115,17 @@ def test_dynamic_api_different_type(self):
                 return
             paddle.disable_static()
             paddle.set_device("npu:0")
-            y = np.random.random(size=(10, 7)).astype("int32")
+            y = np.random.random(size=(10, 7)).astype("float32")
             if typename == "bfloat16":
                 x = np.random.random(size=(10, 7)).astype(np.float32)
             else:
                 x = np.random.random(size=(10, 7)).astype(typename)
             real_result = callback(x, y)
-            x = paddle.to_tensor(x, dtype=typename)
-            y = paddle.to_tensor(y, dtype="float32")
+            if typename in {"bool", "int32", "int64"}:
+                x = paddle.to_tensor(x, dtype="float32")
+            else:
+                x = paddle.to_tensor(x, dtype=typename)
+            y = paddle.to_tensor(y, dtype=x.dtype)
             op = eval("paddle.%s" % (self.op_type))
             out = op(x, y)
             self.assertEqual((out.numpy() == real_result).all(), True)