diff --git a/asv_bench/benchmarks/timestamp.py b/asv_bench/benchmarks/timestamp.py
index 62abaca17d22f..8c435c435aed3 100644
--- a/asv_bench/benchmarks/timestamp.py
+++ b/asv_bench/benchmarks/timestamp.py
@@ -1,10 +1,10 @@
+import datetime
+
 from pandas import Timestamp
 import pytz
-import datetime
 
 
 class TimestampConstruction(object):
-    # TODO: classmethod constructors: fromordinal, fromtimestamp...
 
     def time_parse_iso8601_no_tz(self):
         Timestamp('2017-08-25 08:16:14')
@@ -21,6 +21,12 @@ def time_parse_today(self):
     def time_parse_now(self):
         Timestamp('now')
 
+    def time_fromordinal(self):
+        Timestamp.fromordinal(730120)
+
+    def time_fromtimestamp(self):
+        Timestamp.fromtimestamp(1515448538)
+
 
 class TimestampProperties(object):
     goal_time = 0.2