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CPU Core Details

CPU Codename Zen 3 Skylake X
MoBo Socket Socket AM4 Socket 2066
Notebook CPU no no
Release Date 30 Mar 2021 30 Nov 2018
CPU Link GD Link GD Link

CPU Technical Specifications

CPU Cores 6 12
CPU Threads 12 24
Clock Speed 3.5 GHz 3.5 GHz
Turbo Frequency 4.4GHz 4.4 GHz
Max TDP 65 W 165 W
Lithography 7 nm 14 nm
Bit Width 64 Bit 64 Bit
Max Temperature - 92°C
Virtualization Technology no no

CPU Cache and Memory

L1 Cache Size 512 KB 768 KB
L2 Cache Size 3072 KB 12288 KB
L3 Cache Size 32 MB 19.25 MB
Memory Types
Max Memory Size 64 GB 128 GB
Memory Channels 2 4
ECC Memory Support no no

CPU Graphics

Integrated Graphics no no
Base GPU Frequency - -
Max GPU Frequency - -
DirectX - -
Displays Supported - -

CPU Mini Review

Mini Review The Ryzen 5 5600 6-Core 3.5GHz is a mid to high-range CPU based on AMD's 7nm+ Zen 3 microarchitecture. It offers 6 physical cores (12 logical), initially clocked at 3.5GHz, which may go up to 4.4GHz using Precision Boost. It has an unlocked multiplier, therefore, it can be overclocked using traditional methods. As an AMD 'X' CPU, the Ryzen 5 5600 can use eXtended Frequency Range (XFR) for automated overclocking. It has 32MB of L3 Cache. Level 3 cache is a static memory bank of a processor and it is used to feed it instructions. This processor also supports DDR4 based RAMs with maximum memory support of 64GB. It has a maximum Thermal Power Design of 65W. It is on par with competitor processors. Among its many features are Simultaneous Multithreading, Cool n Quiet, CoolCore Technology, Extended Frequency Range (XFR), Pure Power and Precision Boost are enabled. The Intel Core i9-9920X 12-Core 3.5GHz is a high-end CPU based on the 14nm Skylake-X micro architecture. It is competing against AMD's 2nd Gen Ryzen Threadripper processors. It offers 12 physical cores (24 logical), initially clocked at 3.5GHz which may go up to 4.4GHz with Turbo Boost enabled, and 19.25MB of L3 Cache. Among its many features are Turbo Boost Max 3.0 technology, Hyper-Threading, Virtualization is activated. As an 'Extreme' variant, this processor has its multiplier unlocked and overclocking is possible. With a 165W TDP, the Core i9-9920X 12-Core is very power hungry and will require a high-end PSU. This CPU is likely to offer exceptional computational performance and will not be the bottlenecked in any modern gaming PC. It will be able to play all AAA titles.

Gaming Performance Comparison

In terms of overall gaming performance, the Intel Core i9-9920X 12-Core 3.5GHz is massively better than the AMD Ryzen 5 5600 6-Core 3.5GHz when it comes to running the latest games. This also means it will be less likely to bottleneck more powerful GPUs, allowing them to achieve more of their gaming performance potential.

Both the Ryzen 5 5600 6-Core 3.5GHz and the Core i9-9920X 12-Core 3.5GHz were released at the same time, so are likely to be quite similar.

Both CPUs exhibit very powerful performance, so it probably isn't worth upgrading from one to the other, as both are capable of running even the most demanding games at the highest settings (assuming they are accompanied by equivalently powerful GPUs).

The 12 has 6 more cores than the Ryzen 5 5600. 12 cores is probably excessive if you mean to just run the latest games, as games are not yet able to harness this many cores. The 6 cores in the Ryzen 5 5600 is more than enough for gaming purposes. However, if you intend on running a server with the 12, it would seem to be a decent choice.

The Core i9-9920X 12-Core has 12 more threads than the Ryzen 5 5600. Both the Ryzen 5 5600 and the Core i9-9920X 12-Core use hyperthreading. The Ryzen 5 5600 has 2 logical threads per physical core and the Core i9-9920X 12-Core has 2.

Multiple threads are useful for improving the performance of multi-threaded applications. Additional cores and their accompanying thread will always be beneficial for multi-threaded applications. Hyperthreading will be beneficial for applications optimized for it, but it may slow others down. For games, the number of threads is largely irrelevant, as long as you have at least 2 cores (preferably 4), and hyperthreading can sometimes even hit performance.

More important for gaming than the number of cores and threads is the clock rate. Problematically, unless the two CPUs are from the same family, this can only serve as a general guide and nothing like an exact comparison, because the clock cycles per instruction (CPI) will vary so much.

The Ryzen 5 5600 and Core i9-9920X 12-Core are not from the same family of CPUs, so their clock speeds are by no means directly comparable. Bear in mind, then, that while the Ryzen 5 5600 and the Core i9-9920X 12-Core both have the same clock frequency, this is by no means an indicator that the two CPUs will provide the same level of performance. As such, we need to look elsewhere for more reliable comparisons.

Aside from the clock rate, the next-most important CPU features for PC game performance are L2 and L3 cache size. Faster than RAM, the more cache available, the more data that can be stored for lightning-fast retrieval. L1 Cache is not usually an issue anymore for gaming, with most high-end CPUs eking out about the same L1 performance, and L2 is more important than L3 - but L3 is still important if you want to reach the highest levels of performance. Bear in mind that although it is better to have a larger cache, the larger it is, the higher the latency, so a balance has to be struck.

The <span class='gpu2Mention'>Core i9-9920X 12-Core</span> has a 9216 KB bigger L2 cache than the <span class='gpu1Mention'>Ryzen 5 5600</span>, but on the other hand, it is the <span class='gpu1Mention'>Ryzen 5 5600</span> that has a 12.75 MB bigger L3 cache than the <span class='gpu2Mention'>Core i9-9920X 12-Core</span>. In this case, the L2 size is probably what counts, so the <span class='gpu2Mention'>Core i9-9920X 12-Core</span> is likely superior in this area.

The maximum Thermal Design Power is the power in Watts that the CPU will consume in the worst case scenario. The lithography is the semiconductor manufacturing technology being used to create the CPU - the smaller this is, the more transistors that can be fit into the CPU, and the closer the connections. For both the lithography and the TDP, it is the lower the better, because a lower number means a lower amount of power is necessary to run the CPU, and consequently a lower amount of heat is produced.