diff --git a/benchmarks/catch_all.py b/benchmarks/catch_all.py
new file mode 100644
index 0000000..1baf542
--- /dev/null
+++ b/benchmarks/catch_all.py
@@ -0,0 +1,122 @@
+import logging
+from dataclasses import dataclass
+from timeit import timeit
+from typing import Any
+
+import pytest
+
+from dataclasses_json import (dataclass_json,
+                              Undefined,
+                              CatchAll as CatchAllDJ)
+
+from dataclass_wizard import (JSONWizard,
+                              CatchAll as CatchAllWizard)
+
+
+log = logging.getLogger(__name__)
+
+
+@dataclass()
+class DontCareAPIDump:
+    endpoint: str
+    data: dict[str, Any]
+
+
+@dataclass_json(undefined=Undefined.INCLUDE)
+@dataclass()
+class DontCareAPIDumpDJ(DontCareAPIDump):
+    unknown_things: CatchAllDJ
+
+
+@dataclass()
+class DontCareAPIDumpWizard(DontCareAPIDump, JSONWizard):
+
+    class _(JSONWizard.Meta):
+        v1 = True
+
+    unknown_things: CatchAllWizard
+
+
+@pytest.fixture(scope='session')
+def data():
+    return {"endpoint": "some_api_endpoint",
+            "data": {"foo": 1, "bar": "2"},
+            "undefined_field_name": [1, 2, 3]}
+
+
+@pytest.fixture(scope='session')
+def data_no_extras():
+    return {"endpoint": "some_api_endpoint",
+            "data": {"foo": 1, "bar": "2"}}
+
+
+def test_load(data, n):
+    """
+    [ RESULTS ON MAC OS X ]
+
+    benchmarks.catch_all.catch_all - [INFO] dataclass-wizard     0.060889
+    benchmarks.catch_all.catch_all - [INFO] dataclasses-json     11.469157
+
+    """
+    g = globals().copy()
+    g.update(locals())
+
+    log.info('dataclass-wizard     %f',
+             timeit('DontCareAPIDumpWizard.from_dict(data)', globals=g, number=n))
+    log.info('dataclasses-json     %f',
+             timeit('DontCareAPIDumpDJ.from_dict(data)', globals=g, number=n))
+
+    dump1 = DontCareAPIDumpDJ.from_dict(data)  # DontCareAPIDump(endpoint='some_api_endpoint', data={'foo': 1, 'bar': '2'})
+    dump2 = DontCareAPIDumpWizard.from_dict(data)  # DontCareAPIDump(endpoint='some_api_endpoint', data={'foo': 1, 'bar': '2'})
+
+    assert dump1.endpoint == dump2.endpoint
+    assert dump1.data == dump2.data
+    assert dump1.unknown_things == dump2.unknown_things
+
+
+def test_load_with_no_extra_data(data_no_extras, n):
+    """
+    [ RESULTS ON MAC OS X ]
+
+    benchmarks.catch_all.catch_all - [INFO] dataclass-wizard     0.045790
+    benchmarks.catch_all.catch_all - [INFO] dataclasses-json     11.031206
+
+    """
+    g = globals().copy()
+    g.update(locals())
+
+    log.info('dataclass-wizard     %f',
+             timeit('DontCareAPIDumpWizard.from_dict(data_no_extras)', globals=g, number=n))
+    log.info('dataclasses-json     %f',
+             timeit('DontCareAPIDumpDJ.from_dict(data_no_extras)', globals=g, number=n))
+
+    dump1 = DontCareAPIDumpDJ.from_dict(data_no_extras)  # DontCareAPIDump(endpoint='some_api_endpoint', data={'foo': 1, 'bar': '2'})
+    dump2 = DontCareAPIDumpWizard.from_dict(data_no_extras)  # DontCareAPIDump(endpoint='some_api_endpoint', data={'foo': 1, 'bar': '2'})
+
+    assert dump1.endpoint == dump2.endpoint
+    assert dump1.data == dump2.data
+    assert dump1.unknown_things == dump2.unknown_things == {}
+
+
+def test_dump(data):
+    """
+    [ RESULTS ON MAC OS X ]
+
+    benchmarks.catch_all.catch_all - [INFO] dataclass-wizard     0.317555
+    benchmarks.catch_all.catch_all - [INFO] dataclasses-json     3.970232
+
+    """
+    dump1 = DontCareAPIDumpWizard.from_dict(data)
+    dump2 = DontCareAPIDumpDJ.from_dict(data)
+
+    g = globals().copy()
+    g.update(locals())
+
+    log.info('dataclass-wizard     %f',
+             timeit('dump1.to_dict()', globals=g, number=n))
+    log.info('dataclasses-json     %f',
+             timeit('dump2.to_dict()', globals=g, number=n))
+
+    expected = {'endpoint': 'some_api_endpoint', 'data': {'foo': 1, 'bar': '2'}, 'undefined_field_name': [1, 2, 3]}
+
+    assert dump1.to_dict() == dump2.to_dict() == expected