diff --git a/tests/performance/tests/bpy_rna.py b/tests/performance/tests/bpy_rna.py
index 249a1e1bfec..6512c7720e3 100644
--- a/tests/performance/tests/bpy_rna.py
+++ b/tests/performance/tests/bpy_rna.py
@@ -69,16 +69,26 @@ def _run_runtime_group_register_access(args):
     do_register = args.get("do_register", False)
     do_access = args.get("do_access", False)
     do_get_set = args.get("do_get_set", False)
+    property_type = args.get("property_type", 'IntProperty')
+    property_definition_cb = getattr(bpy.props, property_type)
+
+    # Define basic 'transform' callbacks to test setting value,
+    # default to just setting untransformed value for 'unknown'/undefined property types.
+    property_transform_cb = {
+        'BoolProperty': lambda v: not v,
+        'IntProperty': lambda v: v + 1,
+        'StringProperty': lambda v: ("B" if (v and v[0] == "A") else "A") + v[1:],
+    }.get(property_type, lambda v: v)
 
     if do_get_set:
         class DummyGroup(bpy.types.PropertyGroup):
-            dummy_prop: bpy.props.IntProperty(
+            dummy_prop: property_definition_cb(
                 get=lambda self: self.bl_system_properties_get()["dummy_prop"],
                 set=lambda self, val: self.bl_system_properties_get().set("dummy_prop", val),
             )
     else:
         class DummyGroup(bpy.types.PropertyGroup):
-            dummy_prop: bpy.props.IntProperty()
+            dummy_prop: property_definition_cb()
 
     start_time = time.time()
 
@@ -97,7 +107,8 @@ def _run_runtime_group_register_access(args):
         bpy.types.Scene.dummy_group = bpy.props.PointerProperty(type=DummyGroup)
 
         for i in range(iterations):
-            sce.dummy_group.dummy_prop += 1
+            v = sce.dummy_group.dummy_prop
+            sce.dummy_group.dummy_prop = property_transform_cb(v)
 
         del bpy.types.Scene.dummy_group
         bpy.utils.unregister_class(DummyGroup)
@@ -134,7 +145,12 @@ def generate(env):
         BPYRNATest("Static RNA Stuct Instance Access", _run_static_subdata_instance_access, 10000 * 1000),
         BPYRNATest("IDProperty Access", _run_idproperty_access, 10000 * 1000),
         BPYRNATest("Py-Defined Struct Register", _run_runtime_group_register_access, 100 * 1000, {"do_register": True}),
-        BPYRNATest("Py-Defined Property Access", _run_runtime_group_register_access, 10000 * 1000, {"do_access": True}),
-        BPYRNATest("Py-Defined Property Custom Get/Set Access", _run_runtime_group_register_access, 10 * 1000,
-                   {"do_access": True, "do_get_set": True}),
+        BPYRNATest("Py-Defined IntProperty Access", _run_runtime_group_register_access, 10000 * 1000,
+                   {"do_access": True, "property_type": 'IntProperty'}),
+        BPYRNATest("Py-Defined IntProperty Custom Get/Set Access", _run_runtime_group_register_access, 10 * 1000,
+                   {"do_access": True, "do_get_set": True, "property_type": 'IntProperty'}),
+        BPYRNATest("Py-Defined BoolProperty Custom Get/Set Access", _run_runtime_group_register_access, 10 * 1000,
+                   {"do_access": True, "do_get_set": True, "property_type": 'BoolProperty'}),
+        BPYRNATest("Py-Defined StringProperty Custom Get/Set Access", _run_runtime_group_register_access, 10 * 1000,
+                   {"do_access": True, "do_get_set": True, "property_type": 'StringProperty'}),
     ]