7 Best CPU for RTX 3070

NVIDIA GeForce RTX 3070 is one of the latest and most popular graphics cards that is made for gamers looking for photorealistic graphics in the game to win the challenges and to perform in a better and more adventurous way. But RTX 3070 needs an adequate processor to establish a connection with, in order to crush high-end games without going out of your budget.

Best CPU for RTX 3070

The question here is what could be the best CPU for RTX 3070 to boost its performance? Well, because I have been running a gaming zone for the last 10 years and have used numerous CPUs, I can tell you what could be the best CPU for RTX 3070. Here is the list of the 7 best CPUs for such a powerful graphic card to boost its performance and make it better that too within a budget packaging.

Let us look at the details of what we have in these CPUs that make them better and top-notch in their quality and performance.

7 Best CPU for RTX 3070

All of these best CPUs for RTX 3070 are well-known for their performance and come with the latest expansion and connectivity choices to deliver the best possible winning gaming performance every time you play.

1. AMD Ryzen 9 5900X

AMD Ryzen 9 5900X


  • 144-hertz refresh rate
  • Highly responsive gameplay
  • Low power consumption
  • 4.0 PCI-E slots

Starting my guide to the best CPU for RTX 3070 with the best AMD Ryzen CPU that is made specifically for RTX 3070 graphic cards. Yes, the AMD Ryzen 9 5900X. It is that top-notch CPU that offers top-tier performance when it comes to multitasking and versatility. It comes with a 70 MB cache, is a massive cache value and is termed the best CPU for the year 2021.

With inbuilt 12 cores and 24 threads, the compatibility of the CPU with AM4 socket size makes it the top choice for pro gamers. I appreciate the availability of a 70 MB cache that makes it easier for the gamer to reach short-term memory that is often needed instead of moving every time toward the main memory.

AMD Ryzen 9 5900X

Keeping that in mind if you are looking for quick functionality and truly want to get the best available CPU to deliver next-level gaming performance, you can definitely go with this without thinking twice.


  • 70 MB Cache value
  • 105 watts TDP
  • 24 threads, 12 cores
  • Ideal for pro gamers


  • Expensive

AMD Ryzen 9 5900X comes with features that combine together to make it the best CPU for RTX 3070. You can use it to make the best possible computer system for the delivery of smooth and responsive gameplay making it ideal for pro gamers. With the possibility of expanding the system in the presence of 4.0 PCI-E expansion slots, the CPU promises to consume low power, making it budget-friendly.

2. Intel Core i7-10700K

Intel Core i7-10700K


  • 5.1 GHz boost clock speed
  • 125 Watts TDP value
  • 16 MB cache value
  • 8 cores, 16 threads

Here comes the beast! The Intel Core i7-10700K. This is the second-best Intel processor that has 8 cores and 16 threads and is compatible with LGA 1200 socket size. If you are looking for the best price-to-performance ratio, this CPU would be the best choice that you can make.

It is capable of reaching up to 5.1 GHz boost clock speed, making it reliable for overlocking and using the system for heavy tasks. The availability of 128 GB RAM gives you the choice to download heavy games as quickly as possible, in addition to giving you smooth performance whether you are using the system for gaming, streaming, editing, graphic designing, or for other heavy usages.

This 128 GB RAM can deliver 2933 MHz speed making it reliable to experience smooth gaming. Additionally being an excellent choice for pro gamers this CPU comes with low bottlenecking and has a built-in graphic card, making it reliable for those looking for effortless use options.

Furthermore, I love how attentively it handles multitasking making it the reliable choice for gamers like me who want to live stream, gaming, and do both simultaneously.


  • Low bottlenecking
  • Inbuilt graphic processors
  • Offers better overclocking


  • No latest PCI-E slot

Intel Core i7-10700K is one of the best-known Intel processors that comes with inbuilt 8 cores and 16 threads. It is compatible with LGA 1200 socket size and comes with 125 watts TDP value making it not only reliable for being budget-friendly but also making it energy efficient. Additionally, the presence of a 5.1 GHz boost clock speed makes it easier for you to overclock the setup in case you want to.

3. AMD Ryzen 7 5800X

AMD Ryzen 7 5800X


  • 36 MB cache value
  • 8 cores, 16 thread
  • 4.7 GHz boost clock speed
  • PCIe 4.0 expansion slot

Introducing you to the best AMD CPU for RTX 3070 that not only is efficient in its functioning but also very smooth, stable and comes with quality construction. And that is the AMD Ryzen 7 5800X. This is one of the best stable CPUs offering better performance and significantly noticeable improvement in the overall gaming of the gamer.

It has inbuilt 8 cores and 16 threads making it not only reliable for multitasking but also trustworthy when it comes to tackling heavy workloads. You only need a BIOS update that I personally did not like because of the fatigue, but after the update, this CPU becomes compatible with any of the motherboards that have an inbuilt X570 and B550 chipset.

AMD Ryzen 7 5800X

Keeping that in mind if you have more than one motherboard and both of them have X570 or B550 chipset inbuilt in them then you can blindly trust this CPU to give you 1440p resolution of gaming with smooth performance. Additionally, this is one of those CPU’s that was enhanced by removing the noticeable amount of bottlenecking simply by maximizing the processor’s cache value.


  • 36 MB cache value
  • AM4 socket compatible
  • Ideal for thermal control


  • create noise

AMD Ryzen 75800 X is one of the best-known AMD Ryzen processors that is made for the RTX 3070 graphic card. It is compatible with RTX due to the presence of 8 cores and 16 threads and a 36 MB cache value that makes it ideal for gaming and other heavy-duty tasks. With the presence of the latest 4.0 PCI-E expansion slots and the availability of smooth performance, this is one of the best adequate CPUs to control the thermal level of the computer system.

4. Intel Core i9-10900K

Intel Core i9-10900K


  • 10 cores and 20 threads
  • Inbuilt 20 MB cache
  • Latest 10th Generation processor
  • Best single-core performance

Intel Core i9-10900K is one of the best CPUs for RTX 3070 that comes with 10 cores and 20 threads. It was termed the best processor Intel has ever made and offered in 2020. While looking at its popularity, I used this processor and came to know that none of the other processors can serve you in the way this Intel processor does.

Not only for gaming but also for streaming and other heavy-duty tasks, you will not come across any processor similar in power and strength to this choice. Moreover, in the presence of 14 nm architecture, this is the 10th generation processor that is made specifically for engineers, content creators, live streamers, and gamers.

Moreover, with the compatibility to LGA 1200 socket size, the presence of PCI-E slots and a base clock of 3.7 GHz speed gives you the choice to play the game in an incredibly smooth and uninterrupted way. It delivers 100+ FPS results and promises to give a 4K gaming experience making it the top choice for most of the pro gamers looking for the best CPU for RTX 3070.

The only drawback that I came across when I was using this CPU as it does not have an inbuilt cooler. Instead, you have to purchase the inbuilt cooler separately if you truly want to make a well-stable computer system.


  • Incredible performance
  • Ideal for 4K gaming
  • Powerful


  • No inbuilt CPU cooler

Intel core i9 10900 k is one of the best-known CPUs that are compatible with RTX 3070 graphic card and delivers the next level of flagship performance. It is adequate for 4K gaming and is one of the reliable processors that comes at an affordable price and is widely compatible with high-end graphic cards.

5. AMD Ryzen 5 5600X

AMD Ryzen 5 5600X


  • 6 cores, 12 threads
  • 65 Watts energy consumption
  • Efficient TDP value
  • 35 MB effective cache

AMD Ryzen 5 5600X is the next best CPU for RTX 3070 that offers incredible performance and outstanding construction. This CPU comes with 6 cores and 12 threads and is compatible with AM4 socket type making it reliable for the motherboards that have inbuilt AM4 sockets in them.

Moreover, due to the presence of 65 watts of TDP value, this CPU has become the top choice for people looking for energy-efficient options. Furthermore, if you are a player of Call of Duty, Godfall, Doom Eternal, Need for Speed Heat, and Black ops cold war like me, you would find no other CPU to pair with RTX 3070 to get 100 + FPS results.

AMD Ryzen 5 5600X

This is one of the best AMD creations that comes with features that are available at premium prices to other brands. It is affordable and efficient and makes sure to produce less heat so you do not come across an overheating crisis.

Because I use it for gaming, editing, and graphic designing simultaneously, it never caused me temperature-rising issues in the system’s components, structure, or function due to the temperature.


  • Low heat production
  • Comes with an inbuilt cooler
  • 1080p resolution


  • Does not support 4K gaming

AMD Ryzen 5 5600X is the best gaming CPU that is compatible with RTX 3070 and promises to deliver next-level performance without overheating. It is best when it comes to heat production and comes with an inbuilt cooler making it reliable for heavy tasks. The integrated 6 cores and 12 threads make it reliable for versatile functioning while being on a budget.

6. AMD Ryzen 9 3900X

AMD Ryzen 9 3900X


  • 105 watts power consumption
  • 12 cores, 24 threads
  • 70 MB cache value
  • 4.0 PCI-E version

AMD Ryzen 9 3900X is the next best Ryzen processor that has 12 cores and 24 threads. With its compatibility with the AM4 socket type, this AMD Ryzen processor comes with 4.0 PCI-E slots. Since 4.0 is the second latest version of expansion slots it means you can enhance the functionality of the computer system by simply connecting it to extra hardware.

It comes with an inbuilt wraith prism integrated cooler that actually makes it sufficient for controlling the temperature of the computer system. It has a vast 70 MB game cache making it preferable at this price in this list as compared to other options.

If you are an enthusiastic gamer like me and are looking for the best deliverance of graphics functioning performance, and processing and just cannot compromise over that, this one would be the best choice that you can blindly select. Additionally, being capable of multi-core functionality you can use this CPU by combining it with RTX 3070 for multi functionalities like streaming and gaming simultaneously.

Everything is perfect in the CPU but the only reason I didn’t like it and used it only for 3 months was that it does not come with an inbuilt graphic card, instead you have to attach external graphic cards with it like RTX 3070 to make it work.


  • Ideal for multitasking
  • Top tire performance
  • 4.0 PCI-E slots


  • No inbuilt graphic card

AMD Ryzen 9 3900X is another top-tier CPU that delivers unparalleled performance mainly when it comes to multitasking. If you are a gamer and are making the computer setup for streaming your live gaming, this one would be the best choice that you can install with RTX 3070 to get top-tier performance. It comes with an inbuilt RGB cooler that ultimately controls the temperature of the system and makes it reliable for most of the work.

7. Intel Core i5-10600K

Intel Core i5-10600K


  • 1080p gaming
  • 125 Watts TDP value
  • Compatible with LGA 1200 socket size
  • 6 cores and 12 threads

Intel Core i5-10600K is the last best Intel core processor that is known for being the top choice for beginner gamers. With the possibility of overclocking and offering the best price per thread value, this is another best 10th-generation Intel core processor that makes itself ideal for RTX 3070 combination.

I love how it is specifically made for high-end gaming because it supports pro players and pro gaming and makes their game next level within no time. To give them the next level of experience of playing games, RTX 3070 goes very well with the Intel Core i5-10600K processor.

Intel Core i5-10600K

I have been using this CPU for more than 8 months now and have never come across any performance problems. Moreover, with a combination of low cost per thread value and offering a stable 4K gaming experience, this processor is one of the best processors you can combine with RTX 3070 for getting the best results.


  • Affordable
  • Ideal for 4K gaming
  • Faster encoding
  • Better overclocking


  • Lacks some latest features

Intel Core i5-10600K is the last best Intel core processor that is ideal for 4K gamings and promises to deliver the best single-core performance. It is faster in speed and offers smooth encoding. Being compatible with LGA 1200 socket size and the inbuilt 6 cores and 12 threads, this CPU is perfect for multifunctionality, heavy-duty work, and next-level gaming, to give you the experience of playing uninterruptedly smooth and flawless games.

Guide To Pick The Best CPU for RTX 3070

Following is the list of features that make the CPU ideal for RTX 3070. Keep in mind the list to make sure you are getting the one that is compatible with your needs and that can tackle your gaming.

Guide To Pick The Best CPU for RTX 3070
Infographic: Guide To Pick The Best CPU for RTX 3070

Functioning Compatibility And Versatility

The first important thing that you have to pay attention to is the compatibility and versatility of the CPU processor you’re purchasing. You have to make sure that the one you are purchasing is compatible with the components you have such as the motherboard, GPU, and other related hardware.

You have to make sure that the CPU is able to perform functions and actions that you actually need in your gaming. Keep in mind this and check the functionality of the CPU before finalizing it as it is an expensive purchase so of course, you are not going to change it every day.

No Of Cores And Threads

Then comes the number of cores and threads. Look for the CPU that has more cores and threads integrated into it. Cores are the mini processor inside the big processor so more cores are always better to get a more enhanced and more professional experience of using a computer.

And if you are a pro gamer you always have to make sure that the CPU you are considering does not have a low count of cores in it. It will not work better in case the CPU has less than 4 cores nor will it be adequate for RTX 3070. Make sure to focus on the number of cores and threads in order to get the best adequate CPU for the best possible gaming.

Cache Memory

Cache memory is a temporary memory that resembles short-term memory somehow. It is the memory that is useful for gamers as they don’t have to reach the main memory every time they play the games. The higher the cache memory, the better the CPU functionality is. With higher cache memory, the CPU will be fast, smooth, and quicker than the one that has a low value of cache memory.

You have to be aware of the value of cache memory before finalizing the CPU. Always make sure to purchase the CPU that comes with adequate cache memory, according to your gaming level and gameplay. Heavier games demand more cache memory as compared to the new and light games.

It basically is of 3 types L1, L2, and L3. All 3 of these are different and you have to be aware of the value of all three before finding the CPU for RTX 3070. I will recommend you go with the one that comes with a higher value of L3, instead of L2 and L1 because L2 and L1 have low space as compared to L3 which is very roomy and spacious.

Cooling System

Checking out the cooling system and inbuilt thermal setup is of utmost importance before finalizing the CPU. To maintain the proper thermal temperature and make sure there are no complications of high temperature, you have to be aware of the cooling setup that is available in the CPU. It should be able to tackle heavy temperatures and should be able to maintain the desired temperature range.

The cooling system should have proper fans and thermal dissipation, so there are no complications of high temperature or other damages that otherwise can damage not only the components, and hardware but also the functioning and performance of the hardware too.

So make sure to focus on the cooling system that is offered by the CPU you are willing to purchase, in order to make it ideal for gaming of all skill levels.


Is the RTX 3070 a good GPU?

Since the very start of its release, a few years back, this RTX 3070 GPU was one of the best GPUs that you can ever get offering significant features leading you to win games at an affordable price. It is one of the best high-end cards that come with exceptional specs making it ideal for gamers to experience getting photorealistic graphics while playing the games.

What CPU is best for RTX 3070?

Intel Core i7-10700K is the best CPU for RTX 3070 which comes with inbuilt 8 cores and 16 threads. It is compatible with LGA 1200 socket size and offers you higher values for base clock speed and boosts clock speed. The possibility of overclocking makes it reliable for multipurpose and heavy-duty tasks. Moreover, the presence of 128 GB RAM gives you the opportunity to reach up to 2933 MHz RAM speed.

How many GB of RAM is overkill?

32GB of RAM memory is considered overkill memory for most users. It is comparatively a very high memory. You can have an idea by knowing that for most everyday usage like searching, browsing, and office working, having 8GB of RAM is more than just enough. Even when it comes to gaming, and streaming, having 16GB is sufficient to serve you flawlessly. So you can imagine how high 32GB RAM is.

What power supply do I need for RTX 3070?

If you are confused about the power supply you need for RTX 3070, you should not be anymore! Having 650 Watts PSU with RTX 3070 would be a good combo. On the other hand, if you have 600 Watts PSU with you then, of course, you can have reliable results but keep in mind the results would not be luxurious. I will recommend you to go with the one that comes with the 650 Watts PSU if you are looking for the best power supply for RTX 3070.

Final Thoughts

Well, the quest for the best CPU for RTX 3070 never ends. But to make the search and query easier for you, I have provided you with 7 of the best CPUs that you can consult and finalize if you want to get the best CPU for RTX 3070. All of these best CPUs are the ones that I personally have used in my gaming zone.

These are all personally tested and approved by me as a professional gamer and other top-known professionals in the gaming industry. You can blindly trust them for RTX 3070 and can enjoy a next-level gaming experience by establishing the best adequate and winning computer setup for your games. Additionally, I have also provided the details about the features that when present in your CPU make it reliable for RTX 3070.

On the other hand, if you want to make a quick purchase, I will recommend you to go with:

  • Intel core i710700 k, which comes with 8 cores and 16 threads and is compatible with LGA 1200 socket size. It has a 125-watt TDP value, making it budget-friendly and energy efficient to use for gaming and other relevant stuff.
  • AMD Ryzen 75800X is the best pick for RTX 3070 which comes with 8 cores, 16 threads, 105 Watts TDP value, and 36 MB cache. It comes with a 4.0 PCI-E version and is said to be the best processor for motherboards that have X570 and B550 chipsets after a BIOS update in them.

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