WEBVTT

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so we're going to be looking at something pretty cool today from Intel it's not a new product but it is a new

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software application that they've just released it is a Windows Gadget which

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basically means it's a little application that runs either in the Windows sidebar which is over here on

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the right outside of the camera's reach that's in Windows Vista or on Windows 7

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you can actually move them around wherever you want so it's the Intel

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turbo boost Gadget so you can see right here this is an Intel Core i7 extreme

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965 processor 3.2 GHz there's nothing in

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the turbo boost bar right now now our CPU temperatures are around 50° which is

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a very comfortable CPU temperature maybe a little high for this CPU but we're

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going to go create an artificial workload and I'm going to show you what

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the turbo boost Gadget does so here is

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the workload we've created a one thread so that means it is a CPU workload that

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only takes advantage of of one CPU out of this quad core so something like a

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game or an older application might only

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make use of a single thread now we're going to run it on CPU 1 which is what a

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single-threaded application would typically run on here we go now if you

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just Cruise right on over here you can see that core0 to the left to the left

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everything you own in a box to the left yeah core0 right there is running at 70°

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and all the other cores are much cooler that's because this is a single-threaded

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application now if you go over to the turbo boost uh widget that is oh sorry

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it's a gadget gadget not a widget it is 3.47 GHz now and it's blue bar is all

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the way to the top so that's a 3.2 GHz processor all the way up to 3.47 GHz now

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if I change my workload so if I run a four threaded workload and if I change

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it around so that I assign it to any CPU

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it wants to be on and if I click the right thing it goes a lot better okay so

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CPU Affinity run on any CPU torture test

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and run we can go back over to my Cort

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temp monitoring you can see that all CPUs are now being stressed and turbo

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boost only goes up to 3.33 GHz that's

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because it's overclocking all four cores

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now this is an older i7 CPU and the newer i5s and i7s on socket

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1156 actually have better turbo boost

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that can provide up to a 20% performance Improvement according to the hardware

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connects review on these CPUs so this only goes up a couple of speed bins one

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for a multi-threaded application and two speed bins for a single threaded

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application where whereas the i7 860 and 870 can go up to five speed bins for a

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single threaded application with the I5 750 going up four speed bins for a

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single threaded application so thank you for checking out my Linus Tech tips blog

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video on the Intel turbo boost Gadget

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widget