AMD Ryzen 9 7950X Zen4 CPU “F-max” frequency reportedly as much as 5.85 GHz

AMD Ryzen 9 7950X clocked up to 5.85 GHz

Based on weibo user “Venom Warlock Marvin” AMD’s latest generation Ryzen 9 7950X desktop CPU may have support for clocking up to 5.85 GHz.

The 16-core AMD Ryzen 9 7950X CPU may boost up to 5.85 GHz, which is the default Fmax frequency limit. This will be the highest frequency for TSMC N5 silicon so far. To achieve F-max, users can use one of the available AMD technologies, such as PBO (Precision Boost Overdrive). This technology increases the power limit depending on sensor data (temperature, power consumption, or workload type).

AMD Ryzen 9 7950X up to 5.8 GHz (F-max), Source: Weibo

Importantly, for the Ryzen 5000 series, the F-max frequency can still be modified with an F-max Offset, meaning the Ryzen 7000 series can still be clocked higher unless AMD somehow changes the technology underlying the Zen4 architecture. F-max frequency 5.85 GHz first mentioned by Angstronomics in May this year. However, at that time, this frequency was not attached to any SKU.

AMD Ryzen 7000 F-max, Source: Angstronomics

The AMD Ryzen 9 7950X is a 16-core CPU featuring the Zen4 microarchitecture. It reportedly features two Durango CCDs with 16 cores codenamed “Persephone”. The leaker claims that the battle for the top CPU will be between the 5.85 GHz 7950X and the i9-13900K which should boost up to 5.8 GHz with Thermal Velocity Boost. The sample described by “Venom” is not the top CPU bin.

Along with the claim, the leaker provided a screenshot showing the Ryzen 9 7950X CPU, which is not yet fully supported by the software. It shows 16 cores with a core clock speed of 4848 MHz, but it’s not clear under what workload. We can also look at the AVX512 support listed in the instructions.

AMD Ryzen 9 7950X up to 5.8 GHz, Source: Weibo

AMD will announce the Ryzen 7000 series tomorrow. AMD may not share all the details, such as PBO/XFR capabilities for the Zen4 desktop, but this information will be available once an independent review is released in mid-September.

Rumored AMD Ryzen 7000 specs Core / Thread Basic/Upgrade Hours TDP Cache (L2+L3) Launch Price
AMD Ryzen 7000 Zen4 “Raphael”
Ryzen 9 7950X
Ryzen 9 7900X
Ryzen 7 7700X
Ryzen 5 7600X tuberculosis
AMD Ryzen 5000 Zen3 “Vermeer”
Ryzen 9 5950X
Ryzen 9 5900X
Ryzen 7 5800X3D
Ryzen 7 5800X
Ryzen 7 5700X
Ryzen 5 5600X

Source: weibo through @9550pro

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