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Upgrade Q9400 to T Series CPU

 
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post #1 of 5 (permalink) Old 06-25-2019, 09:44 PM - Thread Starter
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Upgrade Q9400 to T Series CPU

I stopped gaming around 4/5 years ago and are now looking into mobile devices and second hand micro PCs. As such, I see a lot of Intel T Series CPU used in them. It is easy to find information for the equivalent and higher for normal CPUs for the Q9400, but basically nobody talks or compares T Series CPU.

Nowadays the only intensive activity would be semi regular video editing and encoding. What T Series CPU would be equivalent in power to the Q9400 and what CPU would be considered a significant upgrade to be bothered making the change?

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post #2 of 5 (permalink) Old 06-25-2019, 10:08 PM
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You mean like the i5 6400T/6400? They're just lower clocked/lower TDP versions of the non-T counterpart. The i5 6400 and the i5 6400T are the same CPU except the T is at 2.2 and the non-T is at 2.7.

Basically anything will be an upgrade from a Q9400. Even a NUC with the i3 8109U would run circles around a Q9400 and the i3 8109 is a ~25w CPU vs the Q9400's ~190w.

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post #3 of 5 (permalink) Old 06-25-2019, 10:37 PM - Thread Starter
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Quote: Originally Posted by The Pook View Post
You mean like the i5 6400T/6400?
Yeah that's right. Basically what I see when looking at stuff is i3/5/7 xxxxT.
The reason I'm concerned and asking is that I came across a lot the general opinion that a normal CPU vs the T version could suffer up to a 50% performance drop, due to the optimization for good thermal performance.

The second hand micro systems I'm looking at mostly seem to be 4th gen i5. I just looked up one of the items and found a i5-4590T in it, how would you rate it next to the Q9400? I know clock speed doesn't show everything but it does run at 2.00GHz.

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post #4 of 5 (permalink) Old 06-25-2019, 11:29 PM
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Quote: Originally Posted by HappyMan View Post
Yeah that's right. Basically what I see when looking at stuff is i3/5/7 xxxxT.
The reason I'm concerned and asking is that I came across a lot the general opinion that a normal CPU vs the T version could suffer up to a 50% performance drop, due to the optimization for good thermal performance.

The second hand micro systems I'm looking at mostly seem to be 4th gen i5. I just looked up one of the items and found a i5-4590T in it, how would you rate it next to the Q9400? I know clock speed doesn't show everything but it does run at 2.00GHz.
I'm using an i5 4250qm or something Intel nuc right now, and my ex "main rig" had a q9550 in it. My only complaint is the on board graphics lol. The cpu, even though it's a dual with ht and 1.3ghz (1.9ghz boost), is at least on par with my q9550 at stock.

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post #5 of 5 (permalink) Old 06-26-2019, 01:50 AM - Thread Starter
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Quote: Originally Posted by pioneerisloud View Post
I'm using an i5 4250qm
Its the i5-4250U I think.
Comparing the i5-4250U to the i5-4590T, the i5-4590T is more powerful in every way. So it will beat the Q9400. Yeah... seems to be that practically any i3, i5 or i7 will be better than the Q9400.

Thanks for the clarification you two.

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