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Thursday, August 23, 2007
Intel C2D E6750

1. Introduction

Core 2 is a ninth-generation x86 architecture microprocessor produced by Intel and it was officially released on July 27, 2006. Processors are built on a 65 nm process and are intended for desktops, replacing the Pentium 4 and Pentium D. All Conroe processors are manufactured with 4 MB L2 cache.

Intel Core 2 processors feature x86-64, Virtualization Technology, Execute Disable Bit, and SSSE3. The release also introduced LaGrande Technology, Enhanced SpeedStep Technology, and Active Management Technology (iAMT2).

Intel released four additional Core 2 Duo Processors on July 22nd, 2007. The release coincided with that of the Intel Bearlake (x3x) chipsets. The new processors are the Core 2 Duo E6540, E6550, E6750, and E6850. Processors with a number ending in "50" have a 1333 MT/s FSB. The processors all have 4 MB of L2 cache. Their clock frequency is similar to that of the already released processors with the same first two digits (E6600, E6700, X6800)

- Comparison

Intel Core2Duo Processor E6750
Intel Core2Duo Processor E6700
Processor Number E6750 E6700
Architecture 65 nanometer technology 65 nanometer technology
L2 Cache 4M 4M
L3 Cache N/A N/A
Clock Speed 2.66 GHz 2.66 GHz
Front Side Bus Speed 1333 MHz 1066 MHz
Other Intel Technologies Intel 64,
Intel Trusted Execution Technology
Intel 64,
Execute Disable Bit,
Slot/Socket Type LGA775 LGA775
Pin Count 775-land 775-land
sSpec Number SLA9V SL9S7

The major difference between the E6700 and E6750 is the increased FSB of 1333Mhz for the E6750 processor, compared with the 1066MHz FSB of the E6700. That should give increased performance in almost all applications, provided that it's combined with the proper memory configuration. The Intel E6750 series is meant to be combined with the Intel Bearlake (P35) chipset that natively supports 1333MHz FSB and of course, DDR3 memory.

Currently, there is no available DDR2 memory that can support 1333MHz, even at relaxed timings. That should give users a clear way to improve their performance by combining an E6750 and a P35 based motherboard. Of course, it also means additional cost for most users. However, most currently sold P965 motherboards support 1333Mhz, so there is the question, is upgrading to an E6750 processor and DDR3 1333MHz memory worth the extra cost. We plan to find out in our review!

- Compatibility

Most P965 motherboards should support 1333FSB, just check with your motherboard manufacturer and make sure to update to the latest available BIOS. All currently sold P35 based motherboards support 1333FSB so there should be no real compatibility issue there.

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