diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 27b00c147..8f05d9f2a 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -4,12 +4,21 @@ Changelog
 version 0.4.0 [future]
 -----------------------
 
-- Refactor kitty's internals to make it even faster and more efficient. The
-  CPU usage of kitty + X server while doing intensive tasks such as scrolling
-  a file continuously in less has been reduced by 50%. There are now two
+- Support for drawing arbitrary raster graphics (images) in the terminal via a
+  new graphics protocol. kitty can draw images with full 32-bit color over both
+  ssh connections and files/shared memory (when available) for better
+  performance. The drawing primitives support alpha blending and z-index.
+  Images can be draw both above and below text. See
+  https://github.com/kovidgoyal/kitty/blob/master/graphics-protocol.asciidoc
+  for details.
+
+- Refactor kitty's internals to make it even faster and more efficient. The CPU
+  usage of kitty + X server while doing intensive tasks such as scrolling a
+  file continuously in less has been reduced by 50%. There are now two
   configuration options ``repaint_delay`` and ``input_delay`` you can use to
-  fine tune kitty's performance vs CPU usage profile. The CPU usage of kitty
-  + X when scrolling in less is now better than most (all?) other terminals.
+  fine tune kitty's performance vs CPU usage profile. The CPU usage of kitty +
+  X when scrolling in less is now significantly better than most (all?) other
+  terminals. See https://github.com/kovidgoyal/kitty#performance
 
 - Hovering over URLs with the mouse now underlines them to indicate they
   can be clicked. Hold down Ctrl+Shift while clicking to open the URL.
diff --git a/README.asciidoc b/README.asciidoc
index ce1ad3eab..13f0540f3 100644
--- a/README.asciidoc
+++ b/README.asciidoc
@@ -316,6 +316,29 @@ that and perform the task you want to analyse, for example, scrolling a large
 file with `less`. After you quit, function call statistics will be printed to
 `stdout` and you can use tools like *kcachegrind* for more detailed analysis.
 
+Here are some CPU usage numbers for the task of scrolling a file continuously in less.
+The CPU usage is for the terminal process and X together and is measured using htop.
+The measurements are taken at the same font and window size for all terminals on a 
+`Intel(R) Core(TM) i7-4820K CPU @ 3.70GHz` CPU with a 
+`Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde XT [Radeon HD 7770/8760 / R7 250X]` GPU.
+
+|===
+
+| Terminal | CPU usage (X + terminal)
+
+| kitty    | 6 - 8%
+| xterm    | 5 - 7% (but scrolling was extremely janky)
+| termite  | 10 - 13%
+| urxvt    | 12 - 14%
+| gnome-terminal | 15 - 17%
+| konsole  | 29 - 31%
+
+|===
+
+As you can see, kitty uses much less CPU than all terminals, except xterm, but
+its scrolling "smoothness" is much better than that of xterm (at least to my,
+admittedly biased, eyes).
+
 == Note for Linux/macOS packagers
 
 While kitty does use python, it is not a traditional python package, so please do not install it in site-packages.