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AMD Ryzen 9 3900X 12 Core CPU Performance Leaks Out – Makes Intel’s $1200 US Core i9-9920X 12 Core CPU Look Obsolete, As Fast As Core i9-9980XE

Jun 28, 2019
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We have seen several performance numbers of the flagship AMD Ryzen 9 3950X CPU floating on the internet but now its time to take a look at the second best Ryzen 3000 series chip, the 12 core Ryzen 9 3900X.

AMD Ryzen 9 3900X Single and Multi-Core Performance Leaks Out - Faster Than Intel's Flagship 18 Core For Less Than Half The Price of Its 12 Core Intel Competitor

The AMD Ryzen 9 3950X is definitely the highlight of the Ryzen 3000 series lineup since the CPU is the flagship variant but it won't launch until September. What would launch in a few weeks is the Ryzen 9 3900X which will be the first 12 core processor for mainstream platforms and that too is a beast in terms of performance and efficiency.

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The AMD Ryzen 9 3900X is a 12 core and 24 thread part featuring the 7nm Zen 2 core architecture. The chip features a base clock of 3.8 GHz and a boost clock of 4.6 GHz. There's 70 MB of L3 cache, 40 PCIe Gen 4 lanes (CPU + PCH) and a TDP of 105W (derived from the base frequency). The CPU is going to hit retail on 7th July for $499 US.

AMD Ryzen 3000 Series CPU Lineup

CPU NameRyzen 5 3500Ryzen 5 3500XRyzen 5 3600Ryzen 5 3600XRyzen 7 3700Ryzen 7 3700XRyzen 7 3750XRyzen 7 3800XRyzen 9 3900Ryzen 9 3900XRyzen 9 3950X
Cores/Threads6/66/66/126/128/168/168/168/1612/2412/2416/32
Base Clock3.6 GHz3.6 GHz3.6 GHz3.8 GHzTBD3.6 GHzTBD3.9 GHz3.1 GHz3.8 GHz3.5 GHz
Boost Clock4.1 GHz4.1 GHz4.2 GHz4.4 GHzTBD4.4 GHzTBD4.5 GHz4.3 GHz4.6 GHz4.7 GHz
Cache (L2+L3)16 MB32 MB35 MB35 MB36 MB36 MB36 MB36 MB70 MB70 MB72 MB
PCIe Lanes (Gen 4 CPU+PCH)4040404040404040404040
TDP65W65W65W95W65W65W105W105W65W105W105W
Price$129 US?$149 US?$199 US$249 US$279 US?$329 US$349 US?$399 US$449 US?$499 US$749 US

AMD's competitor, Intel, doesn't have a mainstream chip that features 12 cores but they do have a HEDT chip which does. The Intel Core i9-9920X is a 12 core and 24 thread part with a TDP of 165W. That chip features a base clock of 3.5 GHz and a boost clock of 4.4 GHz. The chip retails for $1200 US and since it is featured on the HEDT X299 platform, the cost of building a PC around that chip is also higher compared to AMD's X570 platform.

The latest performance figures for the AMD Ryzen 9 3900X are reported by TUM_APISAK who has found an entry of the processor in the Geekbench 4 database. The chip is listed to be running on the X570 AORUS Master motherboard and has the exact same specs listed aside from the boost clock which can be a reporting error in the Geekbench database. The chip is running at its stock clocks and posts a score of 5905 points in single-core and 44849 points in multi-core performance tests.

For comparison, an Intel Core i9-9900K processor scores around 6100 points in single core and 31,000 points in multi-core performance tests. The Intel Core i9-9980XE scores around 5300 points in single-core and around 42000 points in the multi-core performance test. Even the 16 core Ryzen Threadripper 2950X scores around 4800 points in single core and around 38000 points in multi-core performance tests. Sure Intel's Core i9-9900K has the lead in single-core but that's just a very minor difference and the 9900K is also clocked higher at 5 GHz out of the box compared to the 4.6 GHz frequency of the Ryzen 9 3900X.

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In the end, it's just unbelievable that a mainstream chip from AMD not only competes with Intel's fastest mainstream chips in single-core performance but also beat out their flagship HEDT parts that cost north of $1500 US at a fraction of the cost.

AMD's Next-Gen X570 Chipset – First Mainstream Platform To Support PCIe Gen 4, Feature Rich and Ready For Ryzen 3000 CPUs

As we saw with X470, there were a few features of the Ryzen 2000 series processors which were only supported by new motherboards such as Precision Boost Overdrive and XFR 2.0. There’s no doubt that AMD’s Zen 2 based Ryzen mainstream processor family has some amazing new features, but the main highlight would be support for PCIe Gen4. The X570 platform will be an all PCIe Gen4 solution, which means this would most probably be the first consumer platform to feature support for the new PCIe standard.

In terms of IO details, the CPU will once again be offering a total of 24 PCIe Gen 4 lanes while the PCH will be providing a total of 16 PCIe Gen 4 lanes. There will be one direct link heading out to the first PCI Express x16 and PCI Express x4 slot from the CPU, while the rest of the IO would be handled by the X570 PCH which would be linked to the CPU through an x4 link.

We have already rounded up all the X570 motherboards that were announced during Computex 2019 including the flagship X570 boards for all major manufacturers.

That, however, doesn’t mean that AMD Ryzen 3000 series would only be compatible on X570 boards since just like last time, the new CPUs will be backward compatible with X470 & X370 boards too. Following are links to the respective motherboard manufacturers BIOS release for existing motherboards to support 3rd Gen AMD Ryzen CPUs:

They certainly won’t display the same features that will be available on the newly launched X570 lineup but will feature fully stable functionality for users who just want to drop in a new CPU and continue using their PCs without the hassle of upgrading the motherboard and everything from scratch. AMD's X570 platform and Ryzen 3000 CPUs are planned for launch on 7th July while the AMD Ryzen 9 3950X will be available in September 2019.

Which AMD Ryzen 3000 CPU are you interested in the most?

Products mentioned in this post

Intel Core i9-9900K
Intel Core i9-9900K
USD 471

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