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hello mac video viewer
and welcome to todays video on which graphics card you
mac is currently using
if you've got a nice fancy graphics cards in a nice fancy macbook pro you'll
notice you can actually have to graphics cards
a built in chipset and a more powerful dedicated graphics card
the integrated graphics card is used for everyday things
and the more powerful dedicated one is useful when you need the
horsepower for gaming or other applications
having two graphics cards you actually save
on performance and battery life
how do we determine which graphics card we are using
will go to the apple menu and select about this mac
press the more info button
when prompted you will notice that under graphics
it will tell you which graphics card you are using
in my case and use it in amd radian
hd graphics card, i know this is the dedicated graphics card for my
macbook pro
if it was the integrated one it will be along the lines of intel HD
thousand
i have an older mac that the one published on the website
you can also go to the displays option and it will tell you which graphics card you
are using
if he decided that you don't want to use the inbuilt graphics card
you can actually turn this off
open up system preferences within your applications folder
go tot he energy saver pane
you will notice there is this automatic graphics switching option
if you uncheck this option it will only use the dedicated graphics card option
this'll be at the penalty of battery life because the dedicated graphics card used more
power
i unchecked this for some time because I was sure there was a bug in the
latest edition of my mac
however it seems to have sorted itself
you will notice considerable difference
with automatic graphic switching on the normal usage i get out three hours more
battery life
it certainly worth having this option on
however if you always interested in what graphics card you're using
the about this mac pane is very useful
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