Six Invaluable Online PC Building Tools

Comparing CPUs and Calculating Power Needs

3. CPUBoss

CPUBoss is a relatively new PC builder resource, but it’s already made a name for itself. The slick UI, easy to use filters and parameters, and beautiful review graphics make it a must-use when you’re deciding between that Core i7-3770K and Core i5-3570K.

Along with setting a price range ($300 or less is a good starting point), CPUBoss also lets you compare or filter by brand, purpose (desktop or server), or look at everything first, then drill down from there. The simple yet effective CPU reviews score on multi- and single-core performance, overclocking friendliness, and value.

4. eXtreme Power Supply Calculator

Goofy name aside, the eXtreme Power Supply Calculator (XPSU for short), specifically the free “Lite” version, is an invaluable tool for determining how much power you need. Simply plug in your other hardware, case fans included, and XPSU spits out a reference number. Overshooting needs on a power supply is a common mistake, and XPSU can keep you from dropping serious coin on a 1,000W monstrosity when a 750W unit will get the job done.

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2 Comments on Six Invaluable Online PC Building Tools


On March 9, 2013 at 7:50 am

Even though ocz and pc power and cooling “do not control their own manufacturing”, their power supplies always test extremely well. There is nothing more important than reviews.

Devin Connors

On March 9, 2013 at 1:47 pm


Thanks for reading! I wasn’t implying that OCZ or PC Power and Cooling are bad brands – I have an OCZ ZX 1250W unit in my tower – just that the world of power supplies is trickier to navigate than one might think…

-Devin Connors