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AMD FX-8150 (AM3+) 3.6GHz Bulldozer CPU Review

By: Shawn Baker | AMD CPUs in CPUs, Chipsets & SoCs | Posted: Oct 12, 2011 4:13 am
Manufacturer: AMD

FX Models and Specifications Continued


AMD are for the most part comparing the new AMD FX-8150 to the current crop of i5 / i7 Sandy Bridge based processors and you can see on paper that the comparison of them does tend to indeed favor the FX-8150. No surprises here since the slides are from AMD, but let's take a look at exactly what's going on.


Specifically below we can see that the main comparison is the i7 2600k as the Base Frequency and Turbo Frequency of 3.4GHz and 3.8GHz coincide with the i7 2600k processor from Intel. Before we look at this, though, let's just move to the top to see exactly what's going on.




First we've got the memory compare. A good one, but not really a fair one to be honest. While native support on the CPU may only be 1333MHz DDR, with the help of XMP profiles, speeds of 2133MHz DDR are had with absolute ease. What I do like about this, though, is that we might finally see AMD begin to improve in the memory department; an area that they've been quite weak in for years.


As we move through the list, we can see that the FX-8150 has the leg up in the core department and the L2 Cache one, while L3 Cache is the same between both. On the clock front the FX-8150 has an extra 200MHz at its base frequency, but 400MHz at the turbo frequency. The problem is that we all know that raw MHz isn't the be all and end all of a good CPU.


On the instruction front we can see that AMD offer us FMA4 and XOP which Intel don't. The question is, are we really going to see software that can make use of this? CrossFireX support is a real stand out with x16 / x16 support offered on the 990FX series chipsets. This compares to the Z68 which offers only x8 / x8 when it comes to multi GPU setups. While x16 / x16 boards are on offer for the Z68 platform, they bring with it the expensive NF200 based chip which does add quite a chunk of change to your motherboard.


Finally, the crème da la crème; the fact that the AMD FX line-up is unlocked means a lot for the simple reason Intel only offer two unlocked processors, both of which carry quite a price increase which we covered in a large amount of detail on the previous page. The problem here, though, is that the 2600k which is ultimately being compared here is unlocked and those unlocked speeds venture into the 5GHz+ territory. What matters, though, is when it all comes down to it, what's going to come out ahead?




Well, before we move onto the performance side of things, we can just have a quick look at what's going on with the package with the 8-Core models offering us a "Black" setup while the 6-Core model offers us a "White" setup. If you look closely, at the bottom we can see that both have got "Black Edition" labeling which is something the whole FX line-up should offer.


What's really funny, though, is that the box in the official PDF press kit shows an Intel CPU on the front with the "FX" labeling over the top. Fortunately, the package on the actual 8-Core CPU has an AMD CPU present.




You can tell it's an Intel CPU because of the layered IHS that's present and the notches at the bottom for the 1155 platform. I have no idea why AMD would've chosen to do it when there seems to be no way to distinguish the FX CPUs apart when there's no numbering present. Whatever, though, it gave me some "LOLs".

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