Which CPU for MiniItx +150w PicoPsu - AVS Forum
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post #1 of 3 Old 11-21-2014, 08:18 AM - Thread Starter
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Which CPU for MiniItx +150w PicoPsu

I'm pretty new to htpc in small form factor so I'm trying to wrap my head around parts and compatibility as fast as I can.
From my quick look around it seems that low TDP is needed because of Psu can only handle so much ?
This will be only browsing, media streaming computer, no gaming, no video editing.
I have a budget of about $200 for the CPU and all my systems are usually Intel.

Pretty much here are the choices
-i3T - 35W
-i3 - 54W
-i5T - 35W
-i5S - 65W
-i5 - 84W

Case - http://www.streacom.com/products/f7c-evo-chassis/
Psu - http://www.streacom.com/products/nano150-psu/
Mobo - Not decided yet, one with WiFi
Hdd - 1 SSD + 1 2.5

Last edited by sumik; 11-21-2014 at 08:46 AM.
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post #2 of 3 Old 11-21-2014, 08:40 AM
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I have a Pico PSU 150 watt in my fanless PC with an Ivy Bridge i3 and it plays 1080p rips all day long without a hiccup. I also just bought a Pentium G3258 to use in another machine ($70). I based this decision on the reviews I read about this chip, check it out.

http://www.newegg.com/Product/Produc...82E16819117374

I'm going to pair it with this motherboard (comes with an AC WiFi/Bluetooth module) http://www.newegg.com/Product/Produc...82E16813157526

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post #3 of 3 Old 11-21-2014, 08:19 PM
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Well, for comparison's sake... I have a Clarkdale (i3-540, 73W TDP) running at approx. 4Ghz with around 1.25V vCore with an HD 7770 (80W TDP, and also OC'd as high as the sliders go in CCC), on a mini ITX board. At idle, from the AC/wall, I pull 50W according to Kill-A-Watt. At 100% load on both CPU and GPU (Linpack + Furmark) I think it was 175W, tops. My PSU is about 82% efficient in that range (80Plus Bronze), so let's just say the total requirement is 150W of actual power (PSU output).


I probably wouldn't run the above machine on a picopsu (as it's right at the limit), but you will likely be fine with more modern, less power hungry (and probably stock-clocked) components. Also if you're not going to have a discrete GPU, you could likely go with the 84W TDP i5 and still be fine. That said, you probably don't need that much of a CPU from the sounds of it. So in this case I'd stick with something like an i3-4160 or 4360.
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