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Some boards on Intel B560 caught on the fact that they spoil the performance of the elder Rocket Lake-S

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An independent YouTube-Channel Test Hardware UnBoxed Budget Motherboards on the Intel B560 chipset showed that not all of them are suitable for use with the Intel Core 11th generation processors Rocket Lake-S with the declared TDP 125 W. But at the same time, manufacturers advertise them as decisions ready to work with such processors, in fact, misleading their buyers.

Hardware UnBoxed tests were carried out in Blender and Cinebench R23 tests. Core i5-11400F models, Core i5-11600 and CORE-I7 11700F without the possibility of overclocking and with the declared TDP 65 W demonstrated a stable operation on the parents participating in the Tests based on Intel B560. But in tests with Core i5-11600K and Core-i9 11900K processors, which have a unlocked multiplier and have a nominal value of TDP 125 W, problems showed. The Motherboard ASRock B560M-HDV has shown worse than all.

Its manufacturer on its official website declares that the board supports both of the specified processors. However, with the reservation: “Due to the features of the phases of the motherboard processor power supply systems, the chip productivity may be limited.” However, it does not follow from this explanation that the motherboard limits the power consumption of the 125-W processor to the level of 65-W models, which is actually observed during the tests conducted.

When testing in Cinebench R23, the SHESTIC CORE I5-11600K frequency in the ASRock B560M-HDV is only 3400 MHz, which is even lower than the current base frequency processor at 3.9 GHz. The real level of power consumption of the chip at the same time was 142 W, whereas for a 125-W chip chips with a unlocked multiplier normally consume a much more than 200 W under the load at the second level of power consumption (more on what energy consumption levels are here)

The result of the rest of the boards was better, but still far from the stated Intel for this processor indicators. Removing the restriction of power consumed in the BIOS motherboard did not lead to an improvement in the situation. On the motherboard, the ASRock B560m-HDV chip was able to accelerate to the claimed base frequency of 3902 MHz, which is lower than on other fees. At the same time, the indicator of its real power consumption was 191 W.

The situation with eight-core Core i9-11900K turned out to be similar. The Motherboard ASRock demonstrated its inability to keep the claimed base frequency of 3500 MHz during the Blender hour test. She dropped the TDP indicator of the chip to 65 W and held its operating frequency at the level of 3125 MHz.

In the absence of capacity limit, the situation has not changed. The processor automatically accelerated only to 3700 MHz (with the stated Intel up to 5.3 GHz), but the motherboard could not file more than 101 W power on it. Also unsuccessful in this test was the result of the Gigabyte B560M DV2 motherboard. Her feed subsystem also did not cope with the load.

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