The performance of generation 11 core is different in two memory gear configuration modes

The 11th generation of core desktop processor has been put on sale. TPU has tested the memory part, and has made further discoveries. Let's share with you.
First of all, in the theory part, the 11th generation core redesigned the memory controller, which is defined as the gear working mode, corresponding to the two settings of gear 1 and gear 2 in the BIOS.
New discovery: the performance of 11th generation core is different in two memory gear configuration modes
The gear 1 working mode is 1:1, that is, the ratio of CPU memory controller and memory working frequency is 1:1. The memory controller and memory work synchronously. In this mode, the maximum memory efficiency and the minimum memory delay can be achieved.
Gear 2 mode is 2:1, the memory controller and memory work asynchronously. This mode reduces the frequency of the memory controller by reducing the frequency doubling of the memory by half, so that the memory is not limited by the memory controller and is more prone to overclocking.


In the TPU test, the core i5-11400f is selected and matched with ddr4-3733 memory. Under the gear 2 condition, the overall CPU running speed is 1.5% faster than that under the gear 1 condition.
The rendering speed of MySQL and MySQL is 1.3% and 42.3% faster than that of MySQL. In the game test that emphasizes single thread more, gear 2 is slightly slower than gear 1.
In addition, it is worth noting that the power consumption in gear 2 mode is also lower, while the power consumption in gear 1 is 5-10 watts more.