The Ultimate CPU Match for Unleashing the Full Potential of an RTX 4090

The Nvidia RTX 4090 is currently the fastest GPU available for consumers. It offers the best performance for gaming, productivity, and other workloads. However, it is also one of the most expensive consumer-grade GPUs from Nvidia, with a price tag of under $1600 for the Founders Edition and even higher for other variations costing around $2000.

Compared to the RTX 3090TI, the RTX 4090 provides a significant boost in performance at a price of under $2k for aftermarket units. It is more than just a collectible item and offers substantial hardware capabilities. Unlike AMD, which maxes out its lineup with the RX 7900XTX GPU, there is currently no competition for the RTX 4090. While the RX 7900XTX occasionally competes with the higher-priced RTX 4080, it does not pose a significant threat to the unbeatable performance of Nvidia's flagship GPU.

However, to fully optimize the potential of the RTX 4090 in various scenarios, it is crucial to pair it with a compatible CPU to prevent any performance throttling or bottlenecking. Whether you're engaging in gaming, benchmarking, or productivity tasks, having a well-matched CPU is essential. In this aspect, the Game Rant team has curated a selection of top-tier choices to accompany the RTX 4090, maximizing the gains achieved from this high-end and expensive GPU.

Introducing the AMD Ryzen™ 9 7950X3D 16-Core, 32-Thread Desktop Processor

The Best Overall CPU To Pair With The RTX 4090 $659 at Amazon

Core i9 13900K

The Best Alternate Overall CPU To Pair With The RTX 4090 $552 at Amazon

AMD Ryzen 5 7600X

The Best Budget AMD CPU To Pair With The RTX 4090 $220 at Amazon

Intel Core i5-12600K CPU

The Best Budget Intel CPU To Pair With The RTX 4090 $185 at Newegg

AMD Ryzen 7 7800X3D

The Best AMD Gaming CPU To Pair With The RTX 4090 $385 at Amazon

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Core i5 13600KF

The Best Intel Gaming CPU To Pair With The RTX 4090 $286 at Amazon

The AMD Ryzen™ 9 7950X3D 16-Core, 32-Thread Desktop Processor: The Ultimate CPU Choice

To Perfectly Complement the RTX 4090$659 $690 Save $31

The AMD Ryzen™ 9 7950X3D 16-Core, 32-Thread Desktop Processor emerges as AMD's response to Intel's resurgent 13th generation processor lineup. With the utilization of the same cutting-edge technology that made the previous generation's 5800X3D a dominant force, AMD aims to reclaim the gaming throne.

Socket: AMD AM5

Brand: AMD

TDP: 120W

Cores: 16

Threads: 32

iGPU: Yes, RDNA 2

L3 Cache: 128MB

Base Clock: 4.2GHz

Boost Clock: 5.7GHz

Pros: Currently the fastest 16-Core CPU for gaming in AMD's lineup

Considerably more power-efficient compared to competing alternatives from Intel.

Offers better power efficiency than the Ryzen 9 7950X in a variety of workloads and tasks

Cons Costs more than its Intel counterpart, the Core i9 13900K

Does fall short in some productivity benchmarks vs Intel's core-heavy Core i9 CPUs

Is sometimes slower than a cheaper standard 7950X for certain benchmarks

Best Buy: $700

Amazon: $659

Newegg: $682

The AMD Ryzen 9 7950X3D is a well-known name among gaming enthusiasts. It played a significant role in AMD's 7000 series comeback, surpassing Intel's 13th-generation CPUs that had been dominant in the gaming industry.

With improved power efficiency and utilization of its stacked L3 cache, this content fragment enhances the Ryzen 9 7950X's previous record. It excels in gaming performance and compares favorably to the 7950X in productivity-related benchmarks. While gamers typically disable the secondary CCD to optimize gaming with the 3D V-cache, having the option to utilize the additional 8 cores for other workloads appeals to enthusiasts. This makes it a suitable choice for pairing with the RTX 4090 for tasks beyond gaming. Additionally, its efficiency surpasses that of Intel's CPUs, allowing for the use of smaller or weaker coolers. It also delivers sustained performance more effortlessly than its competitors, such as the Intel Core i9 13900K.

The Intel Core i9 13900K: The Optimal CPU Choice for RTX 4090

Pricing: $552 (Original Price: $630, Save $78)

The Intel Core i9 is at the forefront of Intel's 13th generation Raptor Lake processors. This flagship processor not only delivers exceptional gaming performance but also boasts remarkable benchmark results across a wide range of tasks. With its 24 cores and 32 threads, this processor effortlessly handles even the most demanding tasks. Moreover, it offers seamless compatibility with PCI-E 4.0/5.0 and can be used with both 700 series and 12th generation motherboards that share the same socket.

Brand: Intel

CPU Model: 13900K

CPU Socket: LGA 1700

Cores: 24

Threads: 32

Base Clock Speed: 3.0GHz

Boost Clock Speed: 5.8GHz

Cache: 68MB

PCIe: PCI-E 4.0 & 5.0 Compatible

TDP: 253W

iGPU: Yes, Intel® UHD Graphics 770

Pros: Offers 32 threads across its 24 cores, resulting in a powerful flagship CPU

Exhibits strong single-core performance with its 8 P-Cores.

Works with both, Intel's 12th and 13th generation LGA 1700-based motherboards

Supports both, DDR4 and DDR5 memory out of the box

Cons Runs considerably hotter than the competition from AMD

Is considerably less power efficient under load than its competitors

At Amazon, the Intel Core i9 13900K is priced at $552, while Newegg has it listed at $557. This 24-core, 32-thread powerhouse not only delivers impressive performance for gaming and productivity tasks, but also supports both DDR4 and DDR5 memory on Intel's 12th and 13th-generation chipsets. With its top-of-the-line single-core performance, it provides a range of options for configuring the ultimate CPU setup.

In terms of efficiency, it falls short in comparison to AMD's direct competition. However, it does excel in certain games when pitted against X3D CPUs and provides a significant advantage in compute-heavy benchmarks due to its additional cores, which facilitate improved performance in multithreaded workloads.

On the flip side, it does have a higher heat output compared to AMD counterparts. This necessitates the use of a dedicated high-end cooler, particularly for gamers and enthusiasts who frequently encounter demanding tasks that may result in CPU bottlenecks caused by the RTX 4090's power.

Looking to upgrade your CPU from Team Red? Look no further than the AMD Ryzen 5 7600X. Priced at $220, this budget-friendly AMD CPU is the perfect companion for the RTX 4090. With its impressive single-core performance, efficient hexacore architecture, and compatibility with cutting-edge technologies like PCI-E 5.0 and DDR5 memory, the Ryzen 5 7600X offers exceptional value. Notably, it ditches AMD's AM4 design and opts for a pin-less processor, shifting them to the motherboard. Don't miss out on this fantastic deal and save $80!

Brand: AMD

CPU Model: Ryzen 5 7600X

CPU Socket: AMD AM5

Cores: 6

Threads: 12

PCIe: Supports PCI-E 5.0 and lower

Base Clock Speed: 4.7 GHz

Boost Clock Speed: 5.3 GHz

Cache: 6MB L2 + 32MB L3 Cache

RAM: Up to 128 GB DDR5 5000 MHz

TDP: 105W

UserBenchmark Ranking: 27th

iGPU: 2-Core AMD Radeon Graphics

Pros: Offers superior single-core performance compared to competitors

Unlocked out of the box

Has plenty of upgrade options thanks to its newer AM5 socket support

Supports DDR5 and PCI-E 5.0 unlike older competing AMD CPUs such as the 5800X3D

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When it comes to gaming, the efficiency of our CPUs greatly surpasses that of Intel. However, we must acknowledge that in productivity workloads, the hexacore CPU's limitations become apparent, especially when considering multithreaded benchmarks.

Despite its budget-centric pricing, does not come with a stock cooler

$220 at Amazon $248 at Newegg

The AMD Ryzen 5 7600X is a top choice for budget gaming CPUs, delivering solid gaming performance, efficiency, and impressive single-core capabilities in an affordable package. With its 6-core, 12-thread design, this CPU rivals Intel's locked CPUs from the 13th generation in the sub $200 price range, thanks to its higher core clocks and efficient gameplay.

Furthermore, it offers an excellent pathway for future upgrades through AMD's advanced AM5 platform, which unlocks access to the latest PCI-E 5.0 and DDR5 memory. Although the current RTX 4090 GPU operates on PCI-E 4.0, having access to PCI-E 5.0 ensures smooth and hassle-free upgrades in the future.

The Ryzen 5 7600X does have limitations, though. It lags behind Intel's Core i5 CPUs with more cores and locked frequencies in synthetic benchmarks. For tasks related to productivity, Intel's Core i5 13500, with 14 cores and 20 threads, outperforms it significantly.

Unlike its predecessor, the Ryzen 5 5600X, the Ryzen 5 7600X does not include a CPU cooler. However, it offers improved efficiency, better gaming performance, and potential for future upgrades. This is because many industry enthusiasts believe that AMD's AM5 socket will remain in use for a considerable amount of time. In contrast, Intel regularly changes its CPU sockets more frequently than its competitors.

The Intel Core i5-12600K CPU - Perfect for Budget and Performance

The Intel Core i5-12600K CPU is a powerhouse with ten cores capable of running at a speedy base frequency of 3.70 GHz. It can even reach an impressive boost frequency of up to 4.9 GHz, ensuring top-notch performance. Unlike its KF counterpart, this CPU comes equipped with onboard graphics, adding to its versatility. With its unique 6 performance cores and 4 efficiency cores design, it strikes a perfect balance between power and efficiency.

Impressively, this CPU boasts a generous 20MB of L3 cache, resulting in faster and smoother operations. Thanks to its Intel 7 lithography, it excels in delivering superior performance per watt, outshining its predecessors. If you're looking for an affordable yet high-performing Intel CPU to pair with the RTX 4090, the Intel Core i5-12600K is your ideal choice.

Intel's brand, the CPU Socket LGA 1700, features a total of 10 cores (6 performance and 4 efficiency cores) and 16 threads. It supports PCIe 4.0 and runs on the Alder Lake architecture. With a 3.7 GHz base clock speed and a boost clock speed of 4.9 GHz, it boasts a 20MB L3 cache. Additionally, it includes Intel UHD Graphics 770. One notable advantage is that it provides the best value for money compared to other Intel 12th and 13th generation CPUs. Moreover, it comes with unlocked clocks right out of the box.

Excellent multi-core performance as a deca-core CPU

Offers 4 more threads and 4 more CPU cores than the competing Ryzen 5 7600X

Compatible with both Intel's 12th and 13th-generation motherboards. However, it falls slightly behind AMD's offerings in terms of single-core performance, resulting in relatively lower in-game performance compared to newer competitors, including the Core i5 13600K.

Does not come with a stock cooler as an unlocked Intel CPU

See at Amazon $185 at Newegg

The Intel Core i5 12600K is an excellent choice from Intel's Alder Lake lineup, providing the best value for gamers. With its unlocked deca-core CPU featuring 6 P-cores and 4 E-cores, this processor competes with its iGPU-less counterpart, the Core i5 12600KF, while outperforming the local Intel Core i5 13400 and 13500 in gaming performance due to its higher core clocks and overclocking capabilities.

Furthermore, it boasts 4 efficiency cores and an equal number of threads, surpassing the Ryzen 5 7600X CPU in multicore performance while delivering superior value for money. This LGA 1700-based CPU is compatible with both Intel's 12th and 13th-generation motherboards and supports both DDR4 and DDR5 memory options, allowing users to tailor their GPU-heavy builds and providing sufficient power under the hood.

The AMD Ryzen 7 7800X3D, while not as efficient as the alternative 7000 series from AMD and slightly underperforming in gaming benchmarks, offers a more affordable option in terms of price and compatibility with cheaper motherboards. Overall, it is a highly capable CPU. However, like all unlocked Intel CPUs, it does not come with a thermal solution in the box, leaving the choice and cost of that to the end-user.

The AMD Ryzen 7 7800X3D is the ultimate gaming CPU from AMD. With exceptional gaming performance that surpasses all others, this CPU is here to stay. Its 3D V-Cache technology sets it apart, making it the top choice for gaming on a PC.

Brand: AMD

CPU Model: Ryzen 7 7800X3D

CPU Socket: AM5

Number of Cores: 8

Number of Threads: 16

PCIe 4.0 Support: Yes, supports up to PCI-E 5.0

Architecture: Zen 4

Process: 5nm

Base Clock Speed: 4.2GHz

Boost Clock Speed: 5.0GHz

Cache: 8MB L2 + 96MB L3

TDP: 120W

iGPU: Yes, Integrated Radeon 2 Core

Pros: The fastest gaming CPU currently available, thanks to its 3D V-Cache technology.

Much more efficient than the competition for gaming and productivity uses

Requires less cooling than its direct competitors from Intel

Offers support for both, DDR5 and PCI-E 5.0 as part of the new socket AM5 platform

Cons Considerably weaker than its competing intel CPU in multicore benchmarks

Has had some scares for gamers at the start of its launch due to incorrect voltage issues that have been corrected via BIOS updates

$385 at Amazon $399 at Newegg

The AMD Ryzen 7 7800X3D is an exceptional 8-core, 16-thread CPU that utilizes its advanced stacked L3 cache to optimize efficiency and deliver outstanding performance. Currently leading the ranks among gaming CPUs, it is the ideal choice for gamers aiming to avoid CPU bottlenecks while using an RTX 4090 GPU. Compared to any competing Intel CPU, it stands out with significantly lower power consumption and cooling requirements.

This cutting-edge AMD CPU takes advantage of the latest 3D V-Cache technology and fully embraces the benefits provided by the AM5 socket. It offers support for DDR5 memory and PCI-E 5.0, making it future-proof. Notably, when coupled with an X670E motherboard, it surpasses Intel's highest-end 13th generation CPUs with its generous allocation of PCI-E 5.0 lanes.

Despite not aiming to win synthetic benchmarks like CPUs designed specifically for gaming, the 7800X3D still holds its own as an 8-core CPU. However, it does fall behind Intel's core-heavy Core i5, Core i7, and Core i9 CPUs in most productivity or synthetic benchmarks due to its limited core count.

Nevertheless, the Ryzen 7 7800X3D is currently the top choice for gamers when paired with the RTX 4090, making it a worthwhile consideration for enthusiasts seeking a CPU upgrade or looking to enhance their gaming experience with an RTX 4090.

The Intel Core i5 13600KF Processor, priced at $286 after a $11 discount, is the ultimate choice for gamers seeking exceptional performance. With its unlocked design and exclusion of integrated graphics, this CPU surpasses its predecessor, the i7, making it Intel's top pick for those looking for outstanding value and in-game capabilities. Whether you are a PC-builder or a gamer following the Intel route, this processor is sure to deliver optimal results.

Intel's brand-new CPU model, the Core i5 13600KF, is equipped with the LGA 1700 CPU socket. It boasts an impressive 14 cores and 20 threads, providing exceptional single-core performance. The CPU also supports PCIe 4.0 and 5.0, ensuring compatibility with the latest technologies. With a base clock speed of 3.5GHz and a boost clock speed of 5.1GHz, the Core i5 13600KF delivers impressive speed and responsiveness. Additionally, it features a generous 24MB cache and has a TDP of 181W. Notably, the CPU is unlocked, allowing for easy overclocking and customization right out of the box.

Works with both, Intel 12th and 13th-generation motherboards

Supports both, DDR4 and DDR5 memory out of the box

Cons Does sometimes get beaten in gaming benchmarks by considerably cheaper AMD CPUs like the 7600X

Runs considerably hotter and less efficiently than AMD's 7000 series CPUs

Has no integrated GPU on offer

$286 at Amazon $291 at Newegg

The Intel Core i5 13600KF is the iGPU-less counterpart of its sibling, the Intel Core i5 13600K. It stands as a high-performance choice in the mid-range category for gamers and budget-conscious consumers seeking powerful software capabilities. Equipped with an impressive 14 cores and 20 threads, it comes pre-overclocked and delivers exceptional multicore CPU performance.

Moreover, this processor offers versatility in terms of compatibility, supporting both 12th and 13th-generation Intel motherboards (although some 12th-gen boards may require a BIOS update to recognize the 13600KF). Additionally, it is compatible with both DDR5 and DDR4 memory, providing users with flexible upgrade options. With its impressive out-of-the-box single-core performance, it surpasses and replaces the previous generation Intel Core i5 12600K and Intel Core i7 12700K models.

It also competes with AMD's new Ryzen 7000 series CPUs, surpassing them in benchmarks within its price range, and providing an attractive option for gamers seeking an upgrade due to its excellent single-core performance. However, it does run significantly hotter, necessitating the use of a dedicated mid-to-high-tier CPU cooler that is not included with the package. Additionally, it lacks integrated graphics as a backup option if one chooses to substitute the RTX 4090 for a different workstation in certain scenarios.

Nevertheless, despite these limitations, it remains a worthwhile choice, offering decent gaming and productivity capabilities that can rival Nvidia's top offerings.

FAQ

Q: Is the RTX 4090 The Fastest Gaming CPU Currently?

Q: How Many Cuda Cores Does The RTX 4090 Offer?

The Nvidia RTX 4090 unquestionably holds the title for the gaming industry's swiftest GPU. This is evident through numerous benchmarks and averages, where it consistently outperforms not only Nvidia's top-tier GPUs but also those manufactured by AMD.

The release of the Nvidia RTX 4090 has sparked numerous rumors about the RTX 4090TI, mainly due to its AD102 chip-based offerings, which consist of 16,384 CUDA cores out of a possible maximum of 18,432 CUDA cores.