AMD's new Zen 4C architecture Ryzen 5 and Ryzen 3 processors are launched for the notebook market

On November 2, AMD officially released the new Ryzen 5 7545U and Ryzen 3 7440U processors. Both processors use the new Zen 4c microarchitecture, which has been designed with density optimization to make the core package The size is more compact and suitable for laptop products

Compared with the previously launched old Ryzen 5 7540U, some of the new hardware specifications are different Variety. For example, the Ryzen 5 7540U is now upgraded to a Ryzen 5 7545U with 2 Zen 4 cores and 4 Zen 4c cores. The Ryzen 3 7440U has no changes, it is still 1 Zen 4 core and 3 Zen 4c cores

It is understood that the new processor introduces Zen It is a hybrid design of 4 cores and Zen 4c cores, but it is essentially completely different from the design ideas of Intel's P performance core and E energy efficiency core. Zen 4c retains all core parameters of Zen, such as the same instruction set, IPC, cache structure, and supports SMT Hyper-Threading, etc.

The core area of ​​Zen 4c is only 2.48 square millimeters, which is 35% smaller than the core area of ​​Zen 4. With the introduction of Zen 4c, notebooks equipped with Ryzen processors will further expand their energy efficiency advantages through higher core density, resulting in lower power consumption and stronger performance. In addition, in the future, you can increase the number of cores to improve performance and upgrade to a higher-positioned processor model

According to the official statement, Zen 4c will be used The Ryzen 5 7545U with the Zen 4 architecture has better energy consumption performance under low power consumption. Compared with the Ryzen 5 7540U with the Zen 4 architecture, it has stronger multi-core performance at 10-15W power consumption. The Ryzen 5 using the Zen 4 architecture has a higher performance limit under high power consumption

Regarding specific parameters, the Ryzen 5 7545U has 6 cores and 12 threads, with an acceleration frequency of 4.9GHz and a TDP of Between 15-30W, and equipped with 4CU built-in graphics card Radeon 740M. The Ryzen 3 7440U has 4 cores and 8 threads, an acceleration frequency of 4.7GHz, the same TDP range and is equipped with a 4CU built-in graphics card Radeon 740M

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