AMD Ryzen 9 4900U 8C/16T Flagship Mobility 15W APU With Onboard Radeon Vega Graphics Appears Online

A new AMD flagship Mobility APU has been spotted online. The 7nm AMD Renoir Ryzen 4000 Series processor for high-end, premium gaming and professional laptops features 8 Cores and 16 Threads with an impressive 4.3 GHz Max Boost Clock Speeds in a thermally efficient 15W TDP.

The AMD’s flagship Ryzen 4000 ‘Renoir’ CPU is the Ryzen 9 4900U. While the premium laptop APU features the same core configuration as that of Ryzen 9 4900H, the Ryzen 9 4900U has the highest Boost Clock Speeds. Despite being a 15W TDP chip, the ZEN 2 based Ryzen 4000 Series APU will be embedded in more powerful laptop designs. Recent reports have confirmed that AMD has successfully fabricated CPUs and APUs for laptops and portable computing devices that rival Intel’s counterparts and even outpace the latter’s products in terms of performance, thermal performance and battery endurance.

AMD Ryzen 9 4900U Flagship 15W Renoir 8C/16T With Boost Clock Of 4.3GHz And Faster Radeon Vega Graphics Appears Online:

It is interesting to note that AMD has so far released information of Ryzen 7 4800U and additionally claimed it is their fastest 15W Renoir chip. However, multiple laptop manufacturers and OEMs have routinely indicated that their products pack an even faster AMD Mobility APU. The mystery AMD Ryzen 4000 CPU was Ryzen 9 4900U. The CPU has now been spotted in various online databases by TUM_APISAK which include 3DMark and UserBenchmark.

https://twitter.com/TUM_APISAK/status/1246616759047606272

The AMD Ryzen 9 4900U appears to be similar to the AMD Ryzen 9 4900H in terms of the total number of Cores. However, the SKU would feature higher Boost Clock Speeds. Simply put, the AMD Ryzen 9 4900U appears to be a higher binned package, which will obviously sport a premium price tag.

The 7nm ZEN 2 based AMD Ryzen 9 4900U packs 8 Cores and 16 Threads. It sports a total of 20 MB cache. The Stock or PL1 Base Clock Speed sits at a humble 1.8 GHz, which is identical to the  Ryzen 7 4800U. The PL2 Max or Boost Clock Speeds, however, has received a slight bump. Although yet to be officially confirmed and investigated through thorough testing, it is speculated that the Ryzen 9 4900U would be able to clock up to 4.3 GHz. This is a good 100 MHz above the Ryzen 7 4800U. Even the onboard or integrated Radeon Vega Graphics chip belongs to the Vega 8 generation it too might get a slight bump in clock speed to 1800 MHz as against the 1750 MHz frequency on the Ryzen 7 4800U.

The most recent benchmarks of the 7nm ZEN 2 based AMD Ryzen 9 4900U clearly belonged to early engineering samples. In other words, AMD appears to be finetuning the same. The average reported Boost Clock Speed reported at UserBenchmark is 2.35 GHz while Boost Frequency isn’t working over in 3DMark. Strangely, the AMD Ryzen 9 4900U reportedly has a Turbo Core Clock of just 1.4 GHz which is lower than its Base Frequency of 1.8 GHz. Needless to add, such erratic numbers almost always belong to preliminary or prototypes of early engineering samples.

AMD Ryzen 9 4900U Laptops Arriving Soon?

The AMD Ryzen 9 4900U is certainly an interesting APU option for laptops. Although the APU features an impressive Boost Clock Speed, it is still finetuned for the 15W TDP design. In other words, AMD’s flagship Mobility APU is primarily designed for low-power operations, wherein the physical dimensions of the laptop, as well as the battery endurance, are also important design considerations. Intel’s flagship mobility CPUs, on the other hand, aren’t optimized for thermal efficiency and certainly have a heavy impact on battery life.

[Image Credit: WCCFTech]
The upcoming 7nm ZEN 2 AMD Renoir Ryzen 4000 ‘U’ Series is expected to deliver high levels of efficiency while retaining performance close to desktop CPUs in a 15W package. In addition to the energy-efficient 15W Ryzen 4000 U-Series, AMD is also releasing several mobility processors in the Ryzen 4000 H-Series which includes CPUs with 35W to 45W TDP design. Needless to add, Intel is expected to have a tough year with its Comet Lake CPUs that are still based on the archaic 14nm Architecture.

Alap Naik Desai


A B.Tech Plastics (UDCT) and a Windows enthusiast. Optimizing the OS, exploring software, searching and deploying solutions to strange and weird issues is Alap's main interest.