Do note the “Peak CPU usage” is AFTER the pages have fully loaded and not while loading, all browsers hit 100% during that time. Green is obviously the best and pink is the worst for each category.
To summarize the results from all the browser’s RAM and CPU usage, here’s a simple table showing the scores. On testing, the 64-bit version peaked at 71% CPU and used 351MB of memory. CPU Usage: Mostly between 0% and 10%, peaked at 60% during Flash animation.ĭownload Internet Explorer 9 (Vista and 7 only)ĬPU Usage: Mostly between 0% and 10%, peaked at 54% during Flash animation.ĬPU Usage: Mostly between 0% and 10%, peaked at 61% during Flash animation.ĬPU Usage: Mostly between 0% and 7%, peaked at 30% during Flash animation.ĬPU Usage: Mostly between 3% and 10%, peaked at 81% during Flash animation.