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Strolling Through Lynnfield: Intel's New SuperFast SuperAffordable CPU! Part 6

Updated on September 13, 2009

Keep in mind that by larger CPU I mean die. The socket size of the Socket LGA 1156 and the actual size of the IHS and "footprint" of the Lynnfield is much smaller than the Socket LGA 1366 Bloomfields, and roughly the size of the gold standard of CPU history, the unimitable and memorable Socket LGA 775 CPUs!

How did Intel fit 1156 pins in the size of 775? Each contact point is much smaller on the Socket LGA 1156 than it was on the Socket LGA 775, thus allowing for more pins in the same space!

Some Bloomfield features were deleted from the Lynnfield die as befits its less capable Socket configuration and projected pricing structure. The two QPI links that each provided 25.6GB/s of amazing bandwidth to other processors on the motherboard are not to be found in the Lynnfield design. Lynnfield is also lacking one of the 3 64-bit DDR3 memory channels that Bloomfield boasts, and only has two as most conventional CPUs.

Due to these design modifications, it is clear that Lynnfield is engineered to be a single socket processor and cannot be utilized in a dual socket motherboard configuration as the server Bloomfield... the configuration which is bizarrely and atrociously named Skulltrail by Intel.

Although I shun any references to the macabre, I still am salivating over the prospect of having that very Skulltrail on my desktop. I think that the first time that I would launch the Task Manager and see sixteen threads all humming along very nicely, I might just fall off my chair!

Of course, Lynnfield is no slug as although it lacks Bloomfield's virtually instantaneous connection to the other components scattered around the motherboard, due to its on die PCIe controller, the graphics processing unit gets its bits directly from the CPU so that most definitely compensates for any deleted circuitry.

There are many other advantages to the Lynnfield platform and one of them is power consumption. A chart of total system power consumption at idle shows that the Intel Core 2 Quad Q9400 Conroe CPU will consume 131.6 watts, an Intel Core i7 975 Bloomfield CPU will suck up 115.3, but the Intel Core i5 750 Lynnfield CPU will only sop up a rather miserly 83.4 watts. Well, it's got to be good for the planet and for your electric bill!

I love my Core i7 920 at 1x over multiplier of 20x at 21x. Again, I never overclock so this is one very nice little feature which is enabled on my Foxconn Dell motherboard, and I absolutely adore it. However, Lynnfield has a much more capable Turbo mode, and it really rocks. While the Bloomie's turbo mode is basically nothing more than a single multiplier added on to the basic stock factor, the Lynnfield turbo mode is variable according to how many processors are active at any one time. This allows the Lynnfield to run older single threaded applications in a manner which is much faster than any other processor on the planet. And since the vast majority of all apps out there are still single threaded, the new Lynnfield turbo mode can certainly be a significant advantage to the average computer user in their everyday operations!

Continued In Strolling Through Lynnfield: Intel's New SuperFast SuperAffordable CPU! Part 7

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