Are you using the Google Chrome Canary or Dev Channel on your Mac?
Mac ® To use Chrome Browser on Mac ®, you'll need: OS X El Capitan 10.11 or later; Linux ® To use Chrome Browser on Linux ®, you'll need: 64-bit Ubuntu 14.04+, Debian 8+, openSUSE 13.3+, or Fedora Linux 24+ An Intel Pentium 4 processor or later that's SSE3 capable; Android ® To use Chrome. UPDATE: 64 Bit version of Chrome is out now - Chrome Browser Previous answer - The Chromium Projects is thinking to release 64 bit version of Chrome for Mac very soon. But seems there are.
Back in August, Google launched a beta build of 64-bit Chrome for Mac, following the public release of 64-bit Chrome for Windows. After several months of testing, Google today launched Chrome 39. Google Chrome Dev Now 64-Bit on Mac OS X - OMG! Google Chrome 61 Released for Linux, Mac, and Windows. Chrome 39 launches with 64-bit version for Mac OS X and new. Google Chrome - Download the Fast, Secure Browser from Google. How-to: Uninstall Chrome Browser for Mac.
If you are, and you're on compatible hardware, then I have a little surprise: Google quietly updated Chrome to a 64-bit build without you noticing!
‘Google quietly updated Chrome to a 64 bit build without you noticing!'
Chrome 64 Bit Windows
The switch has been a long time coming. Most recent versions of Apple's desktop operating system no longer default to the 32 bit architecture, a move that has seen some third-party plugins for the platform, like Java 7, offered only in 64-bit versions.
Chromium developers have been working on bringing native 64 bit builds of Chrome to OS X for a while. In fact, if you use the Canary channel frequently you may have already used one, as developers often seeded builds for testing there on occasion.
Now it seems as though that testing is ready to go wider. As of Chrome version 38.0.2065.0 on OS X, 64-bit Chrome is a-go on the dev channel:
Benefits
What are the benefits of the switch? On paper: better performance and better multitasking. Best ftp client for mac. 64-bit builds allow Chrome to ‘address' (read: use) more available memory on your system (assuming you have it) and perform more tasks concurrently, and faster.
Windows 64 bit Chrome builds have boosted performance by 25%, say Google, while also improving stability. Data on Mac performance has yet to filter out but it's a promising indication nonetheless.
Getting Chrome 64 Bit Mac
Chrome For Mac 64 Bit
On a 32-bit system? There's no need to panic. Chromium developers have built a ‘fail safe' into the server infrastructure that distributes updates to ensure that only compatible builds can install on compatible systems.
Chrome 64 Bit Linux
If you're on a Mac I recommend rolling with the Canary channel. This installs alongside an existing version of Chrome, allowing you to use stable builds alongside it.