AMD Ryzen 9 6900HX APU specs leak: 8 cores 6nm Zen 3 enhanced, 20MB Cache, 4.6 GHz Boost, Radeon 680M ‘RDNA 2’ integrated GPU


A very interesting piece of news for those waiting for the next generation AMD Rembrandt Ryzen 6000 series of laptops, such as the Ryzen 9 6900HX. The specifications of this chip have just leaked relatively detailed, giving an overview of one of the fastest Ryzen 6000 models on the current market.

Specifically in terms of CPU, AMD Ryzen 9 6900HX APU will provide 8 cores and 16 threads. These cores are built on top of the new Zen 3+ architecture, which is an enhanced version of the Zen 3 core with the replacement of the latest TSMC 6nm process. The new process node will allow AMD to maximize the processing power and power-saving advantages of its laptop chips. As for cache, the Ryzen 9 6900HX will come with 16MB of L3 cache, and 4MB of L2 cache. However, those who expect 3D V-Cache technology on laptops will probably have to wait a few more generations.

In terms of clocks, the Ryzen 9 6900HX supports a maximum boost speed of 4.6GHz, which is similar to the current Ryzen 9 5900HX. However, users can expect the new chip to consume less power. The Ryzen 9 6900HX will also bring support for DDR5-4800 memory on laptops, which should result in a significant increase in bandwidth compared to DDR4 memory.

In terms of graphics, the integrated GPU on the AMD Rembrandt Ryzen 9 6900HX will have a major upgrade from AMD’s proprietary RDNA 2 core architecture. Starting with the Rembrandt series, AMD will use the Radeon 6**M branding. The specific iGPU variant for the Ryzen 9 6900HX will be called Radeon 680M. The addition of DDR5 also plays an important role for integrated GPUs as RDNA 2 is more efficient with raw bandwidth, and the extra power from the new memory standard certainly helps here.

However, since the AMD Ryzen 9 6900HX will be targeted on high-performance notebook models, the APU will most likely be paired with a discrete graphics card, such as the GeForce RTX 3070 Ti. (8 GB) or RTX 3080 Ti (16 GB). iGPU won’t be too much of a concern here.

Hopefully there will be more information about the Rembrandt Ryzen 6000 series revealed by AMD in the framework of CES 2022 taking place in January.

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