10 Reviews: Best CPU for Rtx 3090 (Sep 2023)
Maximize your computer's performance by finding and using the best CPU for Rtx 3090 that we recommend especially for you. Check them now!
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The Specs of Best CPU for Rtx 3090
You probably know about the capabilities of RTX 3090, a trending graphics card in the market, right? However, the problem is that only a few CPUs can provide enough headroom without hurting its performance. Therefore, we provide a list of the Best CPU for Rtx 3090 that is capable and reliable. Thus, which one should you choose? By looking through this entire article, you will find the answer soon. So, yay, let’s get them all!
Table of contents
Product list
- AMD Ryzen Threadripper 3960X: Impact of increased energy efficiency
- Intel Core i9-12900K: Fast and reliable performance
- Intel Core i5-12600K: Offers hyper-threading architecture
- Intel Core i9-10900K: Run multiple programs simultaneously
- AMD Ryzen 7 5800X 8-core: Quickly load and multitask application
- Intel Core i5-10600K: 4.8 GHz maximum turbo frequency
- AMD Ryzen 9 5900X 12-core: Maximize computer performance
- Intel Core i9-9900K: Maximize efficient heat transfer
- AMD Ryzen 9 3900X 12-core: Boost clock speeds higher and longer
- AMD Ryzen 9 5950X 16-core: Built to deliver the power
Frequently Asked Questions (FAQs)
How to choose the best CPU for Rtx 3090?
To run the Rtx 3090 performance become more potential and maximal, you also need a compatible CPU to support it. Things to look out for, are:
- RAM processor
- CPU Speed
- CPU Socket
- Processor Count
- Platform
- etc
How much RAM to get the best CPU for Rtx 3090?
You can choose to use 32 to 64GB of RAM. Also, with this amount of RAM, your gaming computer will be able to run fast and have storage with a lot of power. So, it’s better not to go with RAM that’s lower than that.
What is the best CPU for Rtx 3090?
Intel Core i9-12900K is built using Intel’s 7- and 16-core Hybrid Core architecture. In addition, this CPU combines the performance of eight Efficient-cores and eight 3.2 GHz Performance-cores. Also, this one has a Turbo Boost Max 3.0 frequency of 5.2 GHz with a 30MB cache for fast and reliable performance.
What is the price range to get the best one?
You can get from the cheapest to the highest price here, with a price range of $206.19 to $2025. As we know, usually, the highest price will offer more complete and sophisticated features and specifications. Thus, you can choose the best CPU for RTX 3090 that suits your need!
10 Reviews: Best CPU for Rtx 3090 (Sep 2023)

1.AMD
Ryzen Threadripper 3960X
Impact of increased energy efficiency
Bring your creative vision to life using the AMD Ryzen Threadripper 3960X. Aside from that, this CPU has a base clock speed of 3.8 GHz and a maximum turbo frequency of 4.5 GHz. In addition, this processor has 24 cores with 48 threads in the sTRX4 socket with 12MB of L2 cache memory and 128MB of L3 cache memory.
Furthermore, 24 cores allow the processor to run multiple programs simultaneously without slowing down the system. Meanwhile, 48 threads allow an ordered sequence of basic instructions to be passed or processed by a single CPU core. Also, using this CPU will significantly impact the increased energy efficiency, higher clock speeds, and more cores. Therefore, are you sure you don’t want to choose this one for your Rtx 3090?
"Fantastic CPU. Great performance for the price. I'm a 3D artist also and this was a perfect chip for my new workstation. Spent about $5k on the whole thing. I went with a Noctua air cooler. CPU idle temps at 53c and stays well below 90c when rendering."
Speed | 4.5 GHz |
---|---|
Socket | Socket TR4 |
Platform | Windows |
Processor Count | 24 |
Product Dimensions | 3.07 x 2.2 x 0.3 inches |

2.Intel
Core i9-12900K
Fast and reliable performance
Built using Intel’s 7- and 16-core Hybrid Core architecture, this CPU combines the performance of eight Efficient-cores and eight 3.2 GHz Performance-cores. In addition, this one has a Turbo Boost Max 3.0 frequency of 5.2 GHz with a 30MB cache for fast and reliable performance. Also, it includes support for up to PCI Express 5.0 and dual-channel DDR5 memory at 4800 MHz to help run and multitask various demanding applications.
Moreover, it is equipped with low-voltage Efficient-cores to handle background tasks for multitasking. Plus, there are Performance-cores providing speed for demanding applications and games. So, let’s enhance your productivity, gaming, and content creation experience by installing the Intel Core i9-12900K for Rtx 3090!
"Awesome Cpu blazzzing fast !!!!!! for gaming and other tasks . i see that the temps for this cpu work up into the 70's and even higher 80 + my recommendation is to undervote your cpu if your just gaming that will lower temps..."
by Jordie 1080
Speed | 3 GHz |
---|---|
Socket | LGA 1700 |
Platform | Windows |
Processor Count | 16 |
Product Dimensions | 6.46 x 5.12 x 5.47 inches |

3.Intel
Core i5-12600K
Offers hyper-threading architecture
Intel Core i5-12600K has 3.70 GHz and offers hyper-threading architecture that delivers high performance for demanding applications with enhanced onboard graphics and turbo boost. In addition, it also has a 16 MB L3 cache that quickly retrieves the most frequently used data to improve system performance.
On the other side, it allows for increased performance per watt and microarchitecture, making it power efficient. Furthermore, this new processor architecture is also compatible with the latest platform innovations, which gives you improved performance across your PC, especially for the RTX 3090.
"This is one of the best CPU for gaming and it’s deemed one of the best performance wise... It’s also worth the money spent on it one of the best for casual gaming being able to run 180 FPS on games such as COD (as long as the gpu is good as well)..."
by Kayden
Speed | 3 GHz |
---|---|
Socket | LGA 1700 |
Platform | Windows |
Processor Count | 10 |
Product Dimensions | 4.57 x 1.73 x 3.98 inches |

4.Intel
Core i9-10900K
Run multiple programs simultaneously
This CPU has 20MB of cache memory, 16 PCIe lanes, and ten cores that allow the processor to run multiple programs simultaneously without slowing down the system. In addition, the 206 threads allow an orderly sequence of basic instructions to be passed or processed by a single CPU core. Also, Intel Core i9-10900K is supported with 3.7 GHz to make applications run quickly.
Plus, it has features such as Intel Optane Memory, Intel vPro technology, Intel Boot Guard, Intel VT-d virtualization technology for directed I/O, and Intel Hyper-Threading technology. Thus, this processor’s maximum turbo frequency is 5.3 GHz or can be increased to 5.2 GHz with Intel Turbo Boost Max 3.0.
"Perfect CPU for anyone who needs lots of power and stability. I run it with all the cores overclocked at 5.1ghz and I've never had any issues with instability. I use it in the workstation i built for music production for reference."
by Askur
Speed | 3.7 GHz |
---|---|
Socket | LGA 1200 |
Platform | Windows 10 |
Processor Count | 10 |
Product Dimensions | 3.54 x 5.24 x 6.1 inches |

5.AMD
Ryzen 7 5800X 8-core
Quickly load and multitask application
The next CPU recommendation for RTX 3090 is the AMD Ryzen 7 5800X 8-core. At the same time, this one features eight cores and 16 threads to help quickly load and multitask any application. Furthermore, other features include support for PCIe Gen 4 technology and 3200 MHz with compatible motherboards.
Aside from that, with a base clock speed of 3.8 GHz, a maximum boost clock speed of 4.7 GHz, and 32MB of L3 Cache, this CPU is built to provide the power needed to smoothly handle tasks ranging from content creation to immersive gaming experiences. Finally, the processor has a Thermal Design Power of 105W and does not include a cooling solution.
"The 5800X was a great value even before the price dropped with the announcement of the 7000 series. This thing can’t be beat now since it is half the original MSRP. Pick this up!"
Speed | 4.7 GHz |
---|---|
Socket | Socket AM4 |
Platform | Linux, Windows |
Processor Count | 8 |
Product Dimensions | 1.57 x 1.57 x 0.24 inches |

6.Intel
Core i5-10600K
4.8 GHz maximum turbo frequency
If you’re hunting for a processor that can run multiple programs simultaneously without slowing down the system, choose the Intel Core i5-10600K. This is because this CPU has six cores at once. In addition, it has a base clock speed of 4.1 GHz that comes with other features such as Intel Optane Memory, Intel vPro, Intel Boot Guard, and others.
At the same time, the processor also supports 128GB of dual-channel 2666 MHz DDR4 RAM and utilizes 10th-generation technology. Also, with Intel Turbo Boost 2.0, this processor’s maximum turbo frequency is 4.8 GHz.
"It's a fast CPU. Very fast! Great thermal, even when gaming. The perk of going Intel is that cpu temps are very stable on idle, and does not jump all over the place like Ryzen (due the AMD's "core parking" feature)..."
by A. Tin
Speed | 4.1 GHz |
---|---|
Socket | LGA 1200 |
Platform | N/A |
Processor Count | 6 |
Product Dimensions | 1.73 x 4.09 x 4.65 inches |

7.AMD
Ryzen 9 5900X 12-core
Maximize computer performance
It’s a good bet that this is the best processor in the gaming world. Furthermore, with its comprehensive specifications of 12 cores, 24 threads, a boost clock of up to 4.8GHz, and a base clock of 3.7GHz, it’s a great way to maximize your computer’s performance.
Also, AMD Ryzen 9 5900X 12-core helps to load and multitask demanding applications quickly. In addition, you can boost performance further by overclocking this unlocked processor. Otherwise, it’s an excellent choice for your RTX 3090!
"Fast, reliable and powerful. AMD did something great with their Ryzen line of CPUs. I've made the progression up from the R5 to the R7, to now the Ryzen 9 and I was never let down or disappointed in the performance along the way."
by RG
Speed | 4.8 GHz |
---|---|
Socket | Socket AM4 |
Platform | Linux, Windows |
Processor Count | 12 |
Product Dimensions | 1.57 x 1.57 x 0.24 inches |

8.Intel
Core i9-9900K
Maximize efficient heat transfer
Get a feel for the power of the maximum processor frequency of 5.0 GHz1 with eight cores and 16 threads found in the Intel Core i9-9900K. Plus, it’s unlocked and best-in-class. Also, with this desktop processor’s performance, you can play games confidently.
In addition, it is built with Solder Thermal Interface Material which is helpful to maximize efficient heat transfer from the processor to the cooler. Thus, it allows overclockers to push the system more, plus you can get the most out of this processor by fine-tuning your overclock.
"This processor is a BEAST!! Overclocks easily to 5.1mhz at 1.382volts. Gaming and rendering both are smooth and fast. The price on these is dropping significantly and now is the time to buy one. 10th gen is really not a step up in most cases..."
by Marlo M
Speed | 5 GHz |
---|---|
Socket | LGA 1151 |
Platform | Not Machine Specific |
Processor Count | 8 |
Product Dimensions | 2.91 x 4.41 x 4.61 inches |

9.AMD
Ryzen 9 3900X 12-core
Boost clock speeds higher and longer
AMD Ryzen 9 3900X 12-core has a set of advanced sensors designed to analyze the conditions inside your PC and make “go faster” decisions as often as possible. Aside from that, it’s also designed to reduce memory latency for higher frame rates on top titles.
On the other side, this processor uses a powerful motherboard design to boost clock speeds higher and longer and lets you overclock four at the touch of a button. Overall, it can deliver improved energy efficiency, higher clock speeds, and more cores.
"Haven't had any issues. Works as advertised. Firing up a bunch of VMs at the same time (like 10-12 at a time) is such a giddy feeling. They just pop and show up. Hi5 all."
by Mike G.
Speed | 4.6 GHz |
---|---|
Socket | Socket AM4 |
Platform | Xbox |
Processor Count | 12 |
Product Dimensions | 1.57 x 1.57 x 0.24 inches |

10.AMD
Ryzen 9 5950X 16-core
Built to deliver the power
Our tenth recommendation is the AMD Ryzen 9 5950X 16-core. Not only is it great for gaming, but it’s also great for the RTX 3090. In addition, it also has a boost clock of up to 4.9GHz3 and 72MB of cache, which makes this processor the best gaming processor.
Furthermore, with a base clock speed of 3.4 GHz, a max boost clock speed of 4.9 GHz, and a 64MB L3 Cache, this one is built to deliver the power needed to smoothly handle tasks ranging from content creation to immersive gaming experiences.
"It’s amazing, I got to work, it feels good to own this much power"
by J
Speed | 4.9 GHz |
---|---|
Socket | Socket AM4 |
Platform | Linux, Windows |
Processor Count | 16 |
Product Dimensions | 1.57 x 1.57 x 0.24 inches |
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The Last Part of Best CPU for Rtx 3090
All the CPUs on this list will make it possible to experience high-resolution Nvidia gaming. You don’t have to go for the high price; if it doesn’t suit your needs, it will be useless. But, you can choose the one that suits your goals and budget. Now, pick one to enjoy all its features and performance!