diff --git a/dav1d.changes b/dav1d.changes
index df3cfeb..aa33357 100644
--- a/dav1d.changes
+++ b/dav1d.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed May 31 21:02:21 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
+
+- Add to description some performance mentions that set it apart
+  from other packages e.g. gav1.
+
 -------------------------------------------------------------------
 Fri May  5 10:32:00 UTC 2023 - Bjørn Lie <bjorn.lie@gmail.com>
 
diff --git a/dav1d.spec b/dav1d.spec
index d4f523f..bfe775f 100644
--- a/dav1d.spec
+++ b/dav1d.spec
@@ -43,6 +43,8 @@ dav1d is a SIMD-enhanced decoder for AV1 video. It features
 
 AV1 is a royalty-free video codec by the Alliance for Open Media. It
 has the potential to be up to 20%% better than the HEVC codec.
+dav1d outperforms gav1 by about 20%% on ARM and 50%% on x86,
+and has better scaling properties for larger thread counts.
 
 %package        devel
 Summary:        Development files for %{name}