Biostar TZ77XE4 Motherboard Review

All of the overclocking settings can be found under the O.N.E. (Overclocking Navigator Engine) tab in the BIOS.  Biostar provide a wide range of overclocking options in this section, letting us tweak every setting we could possibly ask for.

We managed to push the i7-3770K to 4.9 GHz in the TZ77XE4 which is the same maximum clock speed we achieved using the impressive ASRock Z77 Extreme6 motherboard.

This required a CPU voltage of 1.30V however the chip wasn't completely stable at this speed when loading the CPU with Prime95 and the temperatures were a little high for our liking.

We expect that we could have achieved stability by using a higher CPU voltage but this would have been too much for the Be Quiet! Shadow Rock TopFlow CPU cooler to handle.

See validation over here.

In the end we settled on an overclock of 4.7 GHz for testing which only required a CPU voltage of 1.25V.  With these settings the CPU temperature was reasonably high but shouldn't affect the longevity of the chip.

We will be using these settings for the overclocked results in our benchmarks.  See validation over here.

We also overclocked the Intel Core i7-2700K to 4.7 GHz for our tests so we could do a clock for clock comparison with the i7-3770.  This required a CPU voltage of 1.35V.

See validation over here.

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