Intel is launching a new CPU socket called LGA1156 with a new chipset, P55. The first three CPUs based on this new platform will be Core i5-750 (2.66 GHz), Core i7-860 (2.80 GHz) and Core i7-870 (2.93 GHz), all based on the new "Lynnfield" core. We had the pleasure to receive a Core i5-750 and a Core i7-870 sample from Intel before their launch, so let's take a look on their performance compared to other CPUs from Intel.
Today Intel are releasing CPUs based on the Nehalem architecture but with prices and specifications designed to appeal to mainstream consumers. Today we will be putting two of these models through their paces and comparing them to existing i7 CPUs as well as AMDs top Phenom 2 model and the best Core 2 CPU. In addition to that we will cover various memory configurations and throw a handful of the more interesting P55 based motherboards into the mix with two aftermarket coolers.
We've been hearing a lot about the new Core i5/i7 CPU's, and generally we like to reserve our opinion until the test results are in. We've benched the Core i5 750 and Core i7 870 extensively. We've added a bevvy of tests to our benchmarking routine and Core i5/i7 LGA 1156 is looking pretty good.
The introduction of the Core i7 range of processors late last year was the beginning of the Nehalem family. The processors have had a mixed reception and it is fair to say that although the new series has been impressive performance wise, the pricing was and still is too much for many users. After all, the LGA1366 socket requires not only the processor but also an X58 motherboard and triple channel DDR3 memory.
All the currently available processors from Intel feature a black LGA Cover for protection, but Intel has decided to remove it soon in order to reduce the impact to the environment.
According to the information sources, Intel will stop shipping the LGA1366 and LGA771 processors with an LGA Cover starting from September 28th. However, the customers are expected to get parts with covers until the stocks are depleted.
Since Intel's Lynnfield can run up to eight cores in Hyperthreading, Intel has figured out how to distinguish Lynnfield Core i7 branded SKUs from Core i5.
The logic is very simple. Core i7 has four cores and eight threads enabled, while Core i5 has four cores and four threads enabled.
They both need discrete graphics as Intel 5 series chipset don’t have any IGP as IGP is now part of Clarkdale CPU. However some desktop Clarkdale IGP CPU with 32nm dual-core and four threads inside will end up with Core i5 brand, just to make things a bit more complicated.
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