GIGABYTE Z68X-UD7-B3 Intel Z68 Motherboard Review

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GIGABYTE Z68X-UD7-B3 Overclocking

Overclocking greatly varies due to what hardware is being used and who is doing the overclocking. Always remember that no two pieces of hardware will perform the same, so our results will differ from what you might be able to get.

Overclocking with the new Sandy Bridge processors has been simplified, at least in part. Adjustments to the Bclck have been almost done away with and overclocking is almost completely done through increasing the multiplier. When overclocking we used to run out of room on the Bclck or cooling. Now we are going to be limited by the Multi-wall. The Sandy Bridge processor just isn’t capable of going any faster; it’s all dependent on the piece of silicone that you get when you purchase your processor.

GIGABYTE Z68X-UD7-B3 CPUz Overclocking

The Intel Core i5 2500K utilizes a bus speed of 100MHz, though the GIGABYTE Z68X-UD7-B3 is picking it up at 100.3MHz. Under full load the Intel Core i5 2500K uses a multiplier of x33 to achieve the final clock speed of 3.3GHz. Since we are using a K series processor which has an unlocked multiplier we will be able to increase the default x33 multiplier to achieve our overclock today.

GIGABYTE Z68X-UD7-B3 Easy Tune 6

GIGABYTE has a sharp little utility called Easy Tune 6. It has a number of features including a hardware monitor, various tabs for checking CPU settings, memory settings, graphics and SMART. The area we are going to play with right now though is the Tuner, and more specifically the quick boost. The Quick Boost has three different levels. The first level is a mild overclock of 3.6GHz, the second level is 3.8GHz, while the third and final level breaks past the 4GHz barrier and brings the system to 4.1GHz. While they may be conservative overclocks, they are simple to use, and they worked!


We were able to manually overclock the GIGABYTE Z68X-UD7-B3 and our Intel Core i5 2500K well beyond the ‘automatic’ overclocking available with the Gigabyte overclocking utility.  We were able to increase the multiplier to x51 and the Bclk to 100.8MHz (101 in the BIOS) on the Intel Core i5 2500K. This is just as far as we were previously able to on the GIGABYTE P67A-UD7. Since both motherboards are virtually identical this makes sense. We had to tweak a few settings in the Z68X-UD7-B3 BIOS and you can find our settings here and here.

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