diff --git a/modules/imgproc/perf/perf_filter2d.cpp b/modules/imgproc/perf/perf_filter2d.cpp
index 4176e66a7b..0115399029 100644
--- a/modules/imgproc/perf/perf_filter2d.cpp
+++ b/modules/imgproc/perf/perf_filter2d.cpp
@@ -70,7 +70,7 @@ PERF_TEST_P( Image_KernelSize, GaborFilter2d,
         filter2D(sourceImage, filteredImage, CV_32F, gaborKernel);
     }
 
-    SANITY_CHECK(filteredImage);
+    SANITY_CHECK(filteredImage, 1e-3);
 }
 
 
diff --git a/modules/nonfree/perf/perf_surf.cpp b/modules/nonfree/perf/perf_surf.cpp
index 8b14356b5f..20935a9a1e 100644
--- a/modules/nonfree/perf/perf_surf.cpp
+++ b/modules/nonfree/perf/perf_surf.cpp
@@ -27,7 +27,7 @@ PERF_TEST_P(surf, detect, testing::Values(SURF_IMAGES))
 
     TEST_CYCLE() detector(frame, mask, points);
 
-    SANITY_CHECK_KEYPOINTS(points);
+    SANITY_CHECK_KEYPOINTS(points, 1e-3);
 }
 
 PERF_TEST_P(surf, extract, testing::Values(SURF_IMAGES))
@@ -67,6 +67,6 @@ PERF_TEST_P(surf, full, testing::Values(SURF_IMAGES))
 
     TEST_CYCLE() detector(frame, mask, points, descriptors, false);
 
-    SANITY_CHECK_KEYPOINTS(points);
+    SANITY_CHECK_KEYPOINTS(points, 1e-3);
     SANITY_CHECK(descriptors, 1e-4);
 }