A rather exciting unannounced AMD mobile Ryzen processor has just surfaced. The Ryzen 9 5900HX (via Tum_Apisak) could be part of a new breed of mobile chips that support overclocking, similar to Intel’s unlocked HK-series parts.The Ryzen 9 5900HX, which showed up in an unreleased Asus ROG Zephyrus GX551QS laptop, comes equipped with eight cores, 16 threads, and up to 16MB of L3 cache. Existing Ryzen 4000 (codenamed Renoir) processors have a maximum L3 cache of 8MB, which means that the Ryzen 9 5900HX should belong to the next generation of APUs called Cezanne. Furthermore, the Ryzen 9 5900HX carries the Family 25 Model 80 identifier, the same as Cezanne.The Ryzen 9 5900HX’s specifications reportedly include a 3.3 GHz base clock and 4.59 GHz boost clock. In terms of clock speeds, the Ryzen 9 5900HX appears to feature the same base clock as the Ryzen 9 4900H. However, the unreleased Cezanne part does boast a 200 MHz higher boost clock speed in addition to twice the cache.The real eye-opener is the “HX” suffix. The “H” logically refers to the H-series chips that are AMD’s high-performance 45W parts. However, the “X” is a mystery for now. It could refer to an… Read full this story
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