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Gaming Performance Comparison

Recommended System Requirements
Game Core i3-9350K 4-Core 4.0GHz FX-9590
Cyberpunk 2077 31% 28%
Hitman 3 7% 3%
Assassins Creed: Valhalla 7% 3%
Call of Duty: Black Ops Cold War 33% 30%
FIFA 21 35% 32%
Grand Theft Auto VI 14% 19%
Far Cry 6 9% 14%
Genshin Impact 48% 45%
Battlefield 6 3% 1%
Resident Evil 8 23% 20%

In terms of overall gaming performance, the Intel Core i3-9350K 4-Core 4.0GHz is noticeably better than the AMD FX-9590 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.

The Core i3-9350K 4-Core was released over three years more recently than the FX-9590, and so the Core i3-9350K 4-Core is likely to have far better levels of support, and will be much more optimized and ultimately superior to the FX-9590 when running the latest games.

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 FX-9590 has 4 more cores than the Core i3-9350K 4-Core. 8 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 cores in the Core i3-9350K 4-Core is more than enough for gaming purposes. However, if you intend on running a server with the FX-9590, it would seem to be a decent choice.

The FX-9590 has 4 more threads than the Core i3-9350K 4-Core. Both CPUs have one thread per physical core.

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 Core i3-9350K 4-Core and FX-9590 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 FX-9590 has a 0.7 GHz faster frequency, this is not always an indicator that it will be superior in performance, despite frequency being crucial when trying to avoid GPU bottlenecking. In this case, however, the difference is probably a good indicator that the FX-9590 is superior.

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 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.

The Core i3-9350K 4-Core has a 129 Watt lower Maximum TDP than the FX-9590. However, the FX-9590 was created with a 14 nm smaller manufacturing technology. Overall, by taking both into account, the Core i3-9350K 4-Core and the FX-9590 would appear to produce roughly the same amount of heat, and consume about the same amount of power.

The Core i3-9350K 4-Core has an on-board GPU, which means that it will be capable of running basic graphics applications (i.e., games) without the need for a dedicated graphics card. The FX-9590, however, does not, and you will probably have to look for a dedicated card if you wish to use it at all.

For in-depth GPU comparisons with the Intel UHD Graphics 630, click on the following GPU overview comparison icon (visible throughout Game-Debate), and choose a GPU from the list to compare against:

On-board GPUs tend to be fairly awful in comparison to dedicated cards from the likes of AMD or Nvidia, but as they are built into the CPU, they also tend to be cheaper and require far less power to run (this makes them a good choice for laptops). We would recommend a dedicated card for running the latest games, but integrated GPUs are improving all the time and casual gamers may find less recent games perform perfectly acceptably.

CPU Core Details

CPU CodenameCoffee Lake R-
MoBo SocketLGA 1151Socket AM3+
Notebook CPUnono
Release Date23 Apr 201911 Jun 2013
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores4vs8
CPU Threads4vs8
Clock Speed4 GHzvs4.7 GHz
Turbo Frequency4.6 GHzvs5 GHz
Max TDP91 Wvs220 W
Lithography14 nmvs-
Bit Width64 Bitvs64 Bit
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size256 KBvs-
L2 Cache Size1024 KBvs-
L3 Cache Size8 MBvs8 MB
Max Memory Size-vs-
Memory Channels-vs2
ECC Memory Supportnovsno
Comparison

CPU Graphics

GraphicsIntel UHD Graphics 630
Base GPU Frequency350 MHzvs-
Max GPU Frequency1150 MHzvs-
DirectX12vs-
Displays Supported-vs-
Comparison

CPU Package and Version Specifications

Package Size37.5mm x 37.5mmvs-
Revision-vs-
PCIe Revision-vs-
PCIe Configurations-vs-

Gaming Performance Value

Performance Value

CPU Mini Review

Mini ReviewThe Core i3-9350K 4-Core 4.0GHz is a mid-range desktop CPU based on a refinement of the 14nm++ Coffee Lake microarchitecture. The 9350K is identical to the Core i3-9350KF except it features integrated graphics. It offers 4 physical cores (4 logical), initially clocked at 4.0GHz, which may go up to 4.6GHz using 4 cores with Turbo Boost. The i3-9350K has 8MB of L3 Cache. This chip supports up to 64GB DDR-2666 MHz memory and features Intel UHD 630 integrated graphics. Among its many features, Turbo Boost 2.0, Optane Memory Support, and Virtualization are activated, and it features an unlocked multiplier and can therefore be overclocked using traditional methods. This Core i3-9350K CPU offers good gaming performance and should not be a major bottleneck in any modern gaming PC in 2019. It will be able to play all modern games at 60fps comfortably on ultra graphics performance at any supported resolution without being a hindrance to the accompanying GPU. However, performance may become bottlenecked if playing at 144Hz and 1080p or lower screen resolution.FX-9590 is a high-end CPU based on the 32nm Piledriver architecture.

It offers 8 Physical Cores (8 Logical), initially clocked at 4.7GHz, which may go up to 5.0GHz and 8MB of L3 Cache.
Among its many features, Turbo Core and Virtualization are activated and the clock multiplier is unlocked, meaning it can be overclocked easily.

The processor DOES NOT have any integrated graphics, and has a rated board TDP of 220W.

Compared to its predecessor FX-8350 there's an overall 12% performance boost. Its performance is exceptionally good and enough for even the most demanding applications.