|Intel Core i7-3770K Ivy Bridge Processor|
|Reviews - Featured Reviews: Processors|
|Written by David Ramsey|
|Monday, 23 April 2012|
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Intel Core i7-3770K Features
The following information is courtesy of Intel
Intel (SKU) Specifications
Intel's lineup of Ivy Bridge processors includes three mobile processors, five desktop processors, and four low-power desktop processors. The chart below summarizes the specifications of the five desktop CPUs, along with the Sandy Bridge-based Core i7-2660K I'll be using as a comparison.
The two desktop processors enthusiasts will find most interesting are the one we're testing, the Core i7-3770K, and the Core i5-3570K. The 3570K is a trivial 100MHz lower on the core and turbo clock speeds, and has 2M less cache, but it's still a "K"-series unlocked CPU and at $100 less than the 3770K is probably the sweet spot of the Ivy Bridge desktop line. It doesn't have Hyper-Threading, and thus presents only four cores instead of eight to the operating system, so it's the obvious replacement for the Core i5-2500K.
The 22nm process enables Intel to drop the TDP from the 2600K's 95 watts down to 77 watts, a substantial reduction. The Intel Graphics HD 4000 iGPU now has 16 "graphics execution units", up from 12 in the 2600K, but Intel says the performance should be substantially improved over that of the HD 3000. If you're a corporate IT type, you'll be interested in the i7-3770 and i5-3550, which support Intel VPro Technology, a suite of hardware security features. All new Ivy Bridge desktop CPUs have 16 PCI Express Gen 3 lanes, which provide twice the bandwidth per lane of the PCI Express Gen 2 lanes used on Sandy Bridge CPUs.
Since the Ivy Bridge desktop CPUs use the same LGA1155 package as Sandy Bridge, the chips look physically identical. Unless you read the model number you won't know which one you've got.
Let's take a look at Ivy Bridge architecture and its supporting Z77 Express chipset in the next section.