Best CPUs for RX 6900 XT

Gamers, Streamers, overclocking enthusiasts, and even professionals all love RX 6900 XT ( Amazon ). It is an all-rounder graphic card that can handle data-intensive tasks seamlessly. It comes equipped with game-ready features like AAA Gaming and Esports Gaming etc. There is also AMD Smart Access Memory technology that helps this graphics card in improving memory access and performance. With a boost Frequency of 2250 MHz and game frequency of 2015 MHz, RX 6900XT provides the ultimate HD gaming experience.

But you need to pair RX 6900 XT with a compatible and capable CPU to harness its full potential and enjoy the stable overclocking output. A CPU or processor can be called the brain of the PC build. It plays an important role in carrying out the commands given to the computer. Your build will never be able to deliver optimum output if it is paired with an outdated processor.

If you want to buy a CPU for RX 6900 XT build and have no idea which processor would be best for it then you have come to the right place. Because I will be talking about the Best CPUs for RX 6900 XT. These are the best options for RX 6900X available in the market. I have put them together after long hours of research and even testing some of the products myself. But first, let’s overview a brief buying guide for CPU.

Quick Shopping Tips:

If you follow this guide and look out for the features discussed below, you’ll be able to buy the Best CPU for RX 6900 XT.

Cores and Threads: Buy a CPU with an adequate amount of processors and threads. Each core acts as a separate processor so the more cores; the better will be the multi-tasking processing of the CPU. The threads and cores boost the performance and make sure that the build delivers consistent output even if it is carrying out multiple tasks at the same time.

Maximum Operating Temperature: This is the maximum temperature at which a CPU can operate and provide stable performance. You need to be sure that your rig can maintain the temperature and keep it below the Maximum Operating Temperature of your CPU.

Memory Clock Speed: You need to check the base clock and maximum clock speed of the CPU before buying it. The clock speed plays an important role in delivering stable overclocking output. It also enhances the multi-tasking ability of the PC build so try to buy a CPU with decent clock speed.

TDP: TDP refers to the maximum power consumption of a CPU under peak workload. The TDP will give you an idea about how much power the CPU will consume while working so you can buy an appropriate PSU. Also, remember that if your CPU consumes more power then it will produce more heat. So a CPU with higher TDP will probably require a cooler.

Cache: The cache is the memory of the CPU that helps it in storing data and loading it efficiently on demand. So invest in a CPU with more than enough Cache memory because it affects the everyday working of your PC.

Cooling solutions: High-end CPUs produce abundance and that is why some of them come with coolers or other cooling solutions to disperse the heat. If your CPU does not have a cooler then you would need to invest in a cooler separately. Hence go for a CPU that comes with a cooling mechanism. You should also consider the aesthetics, build quality, RGB lights, overclocking configuration, RAM capacity, and graphic support, etc.

Best CPUs for RX 6900 XT at a Glance:

  1. AMD Ryzen 9 5900X
  2. Intel Core i7-10700K
  3. AMD Ryzen 7 5800X
  4. Intel Core i9-10900K
  5. AMD Ryzen Threadripper 3970X
  6. AMD Ryzen 5 5600X
  7. AMD Ryzen 9 3900X
  8. AMD Ryzen 9 5950X

The Best CPUs for RX 6900 XT You Can Buy Today

AMD Ryzen 9 5900X
AMD Ryzen 9 5900X (Image credit: Amazon)

AMD Ryzen 9 5900X

Best Performance CPU for RX 6900 XT


Model: Ryzen 9 | Socket: AM4 | Cores/Threads: 12/24 | Base Clock: 3.7 GHz | Top Boost Clock: 4.8 GHz | TDP: 105 W


Supports High-performance gaming

Incorporates advanced technologies



No CPU cooler or thermal solution

Now AMD Ryzen 9 5900X is one of the Best CPUs for RX 6900 XT with the latest technology incorporation and 12 cores. AMD claims that it is the World’s Best Gaming processor that can support long hours of 4k gaming without heating up and consuming an enormous amount of energy. This CPU has a Zen 3 Core Architecture which is perfect for professional streaming and overclocking. It sports an AM4 socket and it is also unlocked for overclocking.  

AMD Ryzen 9 5900X is equipped with 12 cores and 24 threads to push the rig to deliver ultimate performance. It also has a base clock of 3.7 GHz and a maximum boost clock of 4.8 GHz which is more than enough for RX 6900 XT. In addition, this CPU can withstand as high as 90°C so make sure your PC temperature does not go over 90°C. The 6 MB L2 Cache and 64 MB L3 Cache help in rapidly providing output to the users.

It supports PCIe 4.0 as well as up to 3200MHz DDR4 memory. Moreover, Ryzen 9 5900X integrates technologies like AMD StoreMI technology and AMD Ryzen™ Master Utility which help in boosting gaming FPS and efficiently switching overclocking profiles respectively. This CPU has a default TDP of 105 Watt so make sure not to pump more this processor with 105W of power.

Ryzen 9 5900X can support OS like Windows 10-64 Bit Edition, PHEL x86 4-Bit, and Ubuntu x86 64-Bit which is great. However, it is quite expensive and available online for $559-$570. Also, Ryze 9 5900X does not come with a thermal solution or CPU cooler which means you would need to invest extra money on the cooling solution. Still, overall, it is the Best Performance CPU for RX 6900 XT.

Intel Core i7-10700K
Intel Core i7-10700K (Image credit: Amazon)

Intel Core i7-10700K

Best Enthusiast CPU for RX 6900 XT


Model: Core i7 | Socket: LGA 1200 | Cores/Threads: 8/16 | Base Clock: 3.8 GHz | Top Boost Clock: 5.1 GHz | TDP: 125 W


Multi-threading beast performance

64 GB Graphics Video Memory

HD gaming resolution


No built-in cooler


The Intel Core i7-10700K processor is a fantastic gaming processor, with 16 threads, a maximum turbo frequency of 5.1GHz, and an unlocked multiplier to aid overclocking. It also has 8 cores and various other advanced features, making it Intel’s finest CPU for gaming. Based on 14nm Lithography and typical Comet Lake architecture, it can deliver stable FPS and give competition to much more expensive options with its higher clock speed. The excellent features and sturdy build of the Intel Core i7-10700K processor make it the Best Enthusiast CPU for RX 6900 XT.

Gaming and overclocking Enthusiasts obviously love this processor as it supports 4K gaming at 60Hz smoothly and it also possesses impeccable overclocking potential. Plus it comes with a 16 MB Smart Cache and a bus speed of 8 GT/s. At stock settings, it will provide incredibly competitive single-threaded performance. The Intel Core i7-10700K processor can consume a 95W power supply under maximum load which is less than average.

The Intel Core i7-10700K processor can even support 64 GB of Graphics Video Memory which makes it an ideal CPU for media editing and creation, multitasking, and other demanding tasks. Additionally, the 350 MHz graphics base frequency and 1.20 GHz max dynamic frequency enable it to offer HD resolution. 

Plus it can handle 128 GB maximum memory space and 45.8 GB/s maximum memory Bandwidth. But it does not have any stock cooler to cool the PC and control the temperature. The PC builders will most likely need to buy a separate cooler which would be an additional burden on the pocket. Also, it is a little pricey and can be bought online for $374-$384.

AMD Ryzen 7 5800X
AMD Ryzen 7 5800X (Image credit: Amazon)

AMD Ryzen 7 5800X

Best AMD’s CPU for RX 6900 XT


Model: AMD Ryzen 7 | Socket: AM4 | Cores/Threads: 8/16 | Base Clock: 3.8 GHz | Top Boost Clock: 4.7 GHz | TDP: 105 W


Incorporates latest performance boost technologies.

Good gaming performance.


No onboard cooling solution.

Minimal headroom for overclocking.

The AMD Ryzen 7 5800X is one of the Best CPUs for RX 6900 XT that features eight cores specially designed for high-frame-rate gaming. It is a high-performance 64-bit octa-core x86 desktop microprocessor that is ready for any kind of challenge. Based on the Zen 3 micro-architecture, this processor can unleash the true potential of RX 6900 XT. The Base frequency of up to 3.8 GHz and Boost frequency of 4.7 GHz enables it to support boosted memory clock performance.

It features a TDP of 105 W and 90°C is the maximum operating temperature of this processor. Moreover, AMD Ryzen 7 5800X supports dual-channel DDR4-3200 memory with a capacity of up to 128 GB. This CPU is equipped with L2 4MB Cache and it comes with PCIe 4.0 connectivity to speed up PC processing speed. It is also compatible with the AM4 socket motherboards. AMD Ryzen 7 5800X has 8 CPU cores and 16 threads, making it the Best AMD’s CPU for RX 6900 XT, specifically for single-core performance. Like its predecessors, it uses TSMC 7nm FinFET processor technology for CPU cores. Plus each core now has direct access to 32MB of L3 cache, which significantly influences gaming performance.

This processor even incorporates the latest AMD StoreMI Technology and tons of revolutionary technologies to improve the system speed and efficiency. Hence it comes as no surprise that, Ryzen 7 5800X can handle demanding workloads i.e. from graphics content creation to streaming, etc. This CPU is available on Amazon for around $385-$395.

However because this processor does not come with a CPU cooler, so you will have to purchase one separately, putting more strain on your wallet. It also provides minimal headroom for overclocking but still, it is a decent CPU choice.

Intel Core i9-10900K
Intel Core i9-10900K (Image credit: Amazon)

Intel Core i9-10900K

Best Premium CPU for RX 6900 XT


Model: Core i9 | Socket: LGA 1200 | Cores/Threads: 10/20 | Base Clock: 3.7 GHz | Top Boost Clock: 5.3 GHz | TDP: 125 W


10 cores and 20 threads.

Good single and multi-threaded performance.



Lacks PCIe 4.0 interface.

Intel Core i9-10900K is a high-end processor that was built for maximum redundancy and stability. It is a powerful beast that can handle various demanding tasks at the same time. In most cases, the performance delivery dwindles if a processor has to handle different kinds of demanding tasks but the same cannot be said for Intel Core i9-10900K. The Multi-thread technology allows this processor to perform multiple tasks simultaneously so it is an ideal choice for professional streamers that play games and stream at the same time.

In addition, Intel Core i9-10900K comes with an integrated graphic card and it can support 64 GB of Graphics Video memory which means this processor can deliver realistic and stable graphics. The graphics base frequency of 350 MHz and 1.20 GHz of graphics Maximum Frequency empower it to provide the stable FPS required for high-end gaming. Technologies like Intel Clear Video HD Technology and Intel InTru 3D technology also enable it to improve the resolution and graphics display.

It is the Best Premium CPU for RX 6900 XT that features a whopping 10 cores and 20 threads to offer HD gaming and impeccable overclocking performance. Intel Core i9-10900K has access to 20 MB smart Cache and Bus Speed of 8 GT/s for rapid processing. Moreover, this processor has 125 W TDP, 95 W Configurable TDP-down, and a configurable TDP-down Frequency of 3.30 GHz.

Intel Core i9-10900K is also capable of handling 128 GB DDR4-2933 memory in two different memory channels. However, it is quite expensive; costing somewhere between $450-$470. Intel Core i9-10900K also lacks PCIe 4.0 interface and supports only PCIe 3.0 connectivity. Still, it is one of the Best CPUs for RX 6900XT that can deliver both amazing single and multi-threaded performance.

AMD Ryzen Threadripper 3970X
AMD Ryzen Threadripper 3970X (Image credit: Amazon)

AMD Ryzen Threadripper 3970X

Best Threadripper CPU for RX 6900 XT


Model: Ryzen Threadripper 2990WX | Socket: TRX40 | Cores/Threads: 32/64 | Base Clock: 3.7 GHz | Top Boost Clock: 4.5 GHz | TDP: 280 W


Incomparable 32 cores and 16 threads.

Excellent overclocking abilities.

88 PCIe 4.0 lanes.


Very Expensive.

Enormous Data consumption.

Now we are talking about the best processors for professionals like programmers, developers, and 3D model builders, etc. AMD Ryzen Threadripper 3970X was engineered to provide unprecedented performance and stable memory clock delivery. The multi-processing feature and latest technology integration allow it to handle multiple professional tasks simultaneously. The superior overclocking headroom, high-end components, and an insane amount of cores and threads make AMD Ryzen Threadripper 3970X the Best CPU for 6900XT.

AMD Ryzen Threadripper 3970X features 32 cores and 64 threads to handle demanding workloads with no compromise on efficiency. No other CPU in this list has as many cores and threads as this processor. It also has a 3.7 GHz base clock and an incredible 4.5 GHz of maximum clock speed so you can rely on AMD Ryzen Threadripper 3970X to deliver incomparable performance and tackle all kinds of hurdles seamlessly.

It comes with Strx4 CPU SOCKET and is unlocked for overclocking. Along with this, AMD Ryzen Threadripper 3970X runs at full speed at a maximum temperature of 95°C.  The combined Cache of 144 MB also allows it to access a large amount of data rapidly for fast processing and data loading. This CPU supports a total of 88 PCIe 4.0 lanes to provide unparalleled connectivity and rapid data transfer. Plus TSMC 7nm FinFET is the Processor Technology for its cores.

Now you must be thinking why such an amazing processor is rarely recommended by the experts and that is because of its hefty price tag. AMD Ryzen Threadripper 3970X costs $2600- $2615 on Amazon, which means it does not fall within the budget of most people. Moreover, since it is the ultimate performance processor for data-intensive tasks, it requires a large amount of power to run. It can consume about 208W of power so you’ll need a high-end PSU to power it.

AMD Ryzen 5 5600X
AMD Ryzen 5 5600X (Image credit: Amazon)

AMD Ryzen 5 5600X

Best Flagship CPU for RX 6900 XT


Model: Ryzen 5 | Socket: AM4 | Cores/Threads: 6/12 | Base Clock: 3.7 GHz | Top Boost Clock: 4.6 GHz | TDP: 65 W



PCIe 4.0 support.


Lacks integrated graphics card.

No cooling unit.

It is the Best Flagship CPU for RX 6900 XT that is equipped with adequate cores, military-grade components, and great overclocking abilities. This is the Zen3 processor your gaming PC needs to provide 4k graphics without lagging or compromising on quality. AMD Ryzen 5 5600X also supports PCIe 4.0 connectivity and DDR4 memory up to 3200 MHz which is great for its price range. 

AMD Ryzen 5 5600X is energy-efficient as it only consumes 65W of power even as it runs at maximum speed. Its power consumption is less than most Z3 processors available in the market. Also, since it consumes less energy, it produces less heat too though it still needs a cooling unit. It comes with 3 MD L2 Cache and 32 MB L3 Cache to provide system-ready access to data for use. Thanks to all these features, AMD Ryzen 5 5600x is one of the Best CPUs RX 6900 XT.

The 3.7 GHz Base Clock and 4.6 GHz boost clock ensure that AMD Ryzen 5 5600X delivers optimum overclocking output and memory clock speed. Furthermore, AMD Ryzen 5 5600X is backed by 6 cores and 12 threads to handle multi-processing smoothly. It has an AM4 socket and the TSMC 7nm FinFET is the CPU Cores technology it uses.

The AMD StoreMI Technology and AMD Ryzen Master Utility also give this CPU the much-needed performance boost for stable FPS. Plus AMD Ryzen 5 5600X is compatible with Windows 11- 64-Bit Edition and Ubuntu x86 64-Bit etc. You can buy it for $330-$360 from Amazon. But again AMD Ryzen 5 5600X does not come with a cooling unit so the builders would need to buy one separately especially if they want to enjoy overclocking. It also lacks an integrated graphics card.

AMD Ryzen 9 3900X
AMD Ryzen 9 3900X (Image credit: Amazon)

AMD Ryzen 9 3900X

Best performance CPUs for Rx 6900 XT


Model: Ryzen 9 3900X | Socket: AM4 | Cores/Threads: 12/24 | Base Clock: 3.8 GHz | Top Boost Clock: 4.6 GHz | TDP: 105 W


Wraith Prism cooling solution with RGB LED.

Good memory clock potential.


No onboard graphics support.

The single-core performance is lacking.

Now AMD Ryzen 9 3900X is another great option for RX 6900XT. This CPU proudly integrates features and properties that none of the other processors discussed so far possess. The low memory latency and top-notch memory clock enable it to push the PC builds over the edge and provide premium performance. It also comes with 12 cores and 24 threads which allow it to offer elite output delivery without compromising stability and redundancy.

It consumes 105W power which is quite a lot. But don’t worry because AMD Ryzen 9 3900X features a Wraith Prism cooling solution with RGB LED. So your build will remain cool and flash eye-catching aesthetics at the same time. Amazing right? Most processors don’t come with a cooler or RGB so these are the most attractive features of this CPU. It is, for sure, one of the Best performance CPUs for Rx 6900 XT as it offers both classy LED and performance.

AMD Ryzen 9 3900X has 2 memory channels that can support DDR4 memory up to 3200 MHz. Also, 3.8 GHz and 4.6 GHz are the base clock and the boost clock speed of this CPU.  In addition, it has 64 MB L3 Cache, 6 MB L2 Cache and 768KB L1 Cache to further reduce the memory latency.

This CPU can withstand a maximum temperature of 95°C. Though, it is quite expensive and available on Amazon for $380-$400 which is quite pricey. AMD Ryzen 9 3900X also lacks onboard graphics support of any kind. And meanwhile, the multi-thread performance of this CPU is outstanding; the single-core performance is not up to the mark. Despite these issues, it is a suitable option for Ryzen RX 6900XT.

AMD Ryzen 9 5950X
AMD Ryzen 9 5950X (Image credit: Amazon)

AMD Ryzen 9 5950X

Best Mid-Range CPUs for Rx 6900 XT


Model: Ryzen 9 | Socket: AM4 | Cores/Threads: 16/32 | Base Clock: 3.4 GHz | Top Boost Clock: 4.9 GHz | TDP: 105 W


Engineered for HD gaming.

Master utility application for extensive configuration.


No in-built cooling mechanism.

No integrated GPU.

The AMD Ryzen 9 5950X is ideal not only for gaming but also for professional creators looking for enhanced productivity processors. It delivers an amazing and stable gaming experience thanks to its 16 cores and 32 processing threads. The generous cores and threads also enable it to handle efficient multitasking and loading. Based on Zen 3 architecture, it houses an AM4 socket for the motherboard. 

This powerful CPU features a base clock speed of 3.4 GHz and a high boost clock speed of 4.9GHz. It is also unlocked for overclocking. With an 8MB L2 cache and a 64MB L3 cache, it boasts a total of 72MB of cache with DDR4-3200 compatibility. AMD Ryzen 9 5950X features a thermal design power of 105W and it won’t work if the temperature of the rig goes above 90°C. Hence it needs a cooler but it does not come with one.

AMD Ryzen 9 5950X CPU also allows the user to adjust performance parameters and configure the overclocking profiles. The master utility application even allows people to configure the settings of the CPU cores, GPU, graphics frequency, and memory so you can customize the performance according to the requirement of the game. This application can also be used to monitor the system and keep an eye on the per-core clock rate and temperature of your system.

It is compatible with Ubuntu x86 64-bit and RHEL x86 64-bit operating systems, as well as Windows 10, and Windows 11 64-bit versions. However, AMD Ryzen 9 5950X not have an integrated GPU and it is also very expensive. It can be purchased online for a solid $740-$800. Still, AMD Ryzen 9 5950X is one of the Best CPUs for RX 6900 XT, especially for high-end gaming.


Now you are familiar with the Best CPUs for RX 6900 XT. So just narrow down the above-discussed options based on your budget and preferences till you have 2 or 3 left. It will be easier to choose this way. You can also explore other options but keep in mind the buying guide we discussed earlier. Though the CPUs here are the best ones the market has to offer for RX 6900 XT.

Don’t look for the sole best CPU for RX 6900 XT because it does not exist. The best CPU for your RX 6900 XT build is the one that suits your needs and budget. If you want a budget option then AMD RYZEN 5 5600X would the best for you. But if you are a professional who has to perform demanding tasks like editing or programming then AMD Ryzen Threadripper 3970X is ideal for you.

So just keep this in mind while you make a decision. Thank you.

Frequently Asked Questions

Which is the best Rx 6900 XT?

Almost all RX 6900 XT graphics cards are powerful and great choices for a gaming rig. But Power Color Red Devil Radeon RX 6900 seems to be the favorite of experts, gamers, and professionals alike. It has an extended heatsink, high clock speed, and the ability to support stable performance for hours.

What is the best CPU for 6900 XT?

Intel Core i7-10700k is the Best CPU for 6900 XT. It is equipped with 8 cores, 16 threads, 5.1 GHz turbo frequency, adequate Cache, and 64 GB of Graphics Video Memory to support HD graphics and stable overclocking output. You can buy it for about $374-$384.

Does Rx 6900 XT have ray tracing?

Yes, RX 6900XT does offer ray tracing to further enhance the gaming graphics and make them more realistic. Ray Tracing is the latest graphic enhancing technology that only the most high-end GPUs integrate to deliver realistic and elevated graphics to gaming enthusiasts.

Arslan Ashraf
Arslan Ashraf is Computer Expert. He developed his passion for reviewing the latest tech products. He likes to review every single piece of Hardware. If you have any questions related to Tech Products. He'll be happy to answer you.

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