Ryzen 7 3700x & 3800x have been out for a few months now, and they are still some of the best CPUs on the market. These processors can get hot quickly if you don’t cool them properly, which is why it’s essential to invest in a quality CPU cooler! This article will look at what we think are the six Best CPU Coolers for Ryzen 7 3700x and 3800x in 2021.

The Ryzen 7 series is AMD’s mainstream processor for gamer’s and enthusiasts’ computers. They are designed to provide a great experience with a mid-tier performance at an affordable price point. The Ryzen 3700x is the successor of the Ryzen 2700x, while the 3800x rounds out our top-end lineup by serving as a replacement for the 2800X model.

The main difference between these two CPUs is in their core count: 36 Cores on the Ryzen 3700x vs. 24 cores on the Ryzen 3800x. In addition, this CPU will clock 200 MHz higher (at the base frequency) than its predecessor, which equates to about 20% more horsepower through raw processing power alone! Also, when it comes to overclocking potential versus Intel offerings, we see a 50 MHz uplift in the Ryzen 3700x.

The Ryzen 3700x is AMD’s mainstream processor for gamers and enthusiasts’ computers. It features 36 cores which provide 20% more horsepower than its predecessor, the 2700X. In addition, it clocks 200MHz higher (at the base frequency) than its predecessors, which equates to about 20% more raw processing power! Also, when overclocking potential is compared with Intel offerings, we see that it has an additional 50 MHz of headroom over what can be achieved on both Intel processors and their direct competitors from last year, namely the mighty Core i’s 9960XE 16 core model!

CPU Cooler

The CPU cooler is essential for low-power CPUs such as AMD Ryzen 7 CPU due to its inability to handle CPU heating without an aftermarket CPU cooler.

The CPU cooler is typically made of a series of fins, often with a cooling fan on the back to vent hot air out of your computer case.

Heatsink material – The heatsink material can be copper or Aluminum; Copper is more conductive than Aluminum and will heat up faster but dissipate it slower, while Aluminum does precisely the opposite (due to low thermal conductivity). This means that if you want something that cools quickly, then go for copper; otherwise, choose Aluminum, keeping things at bay longer.

Sheet metal – Sheet metal was used before even modern CPU technology came into existence and has been popular ever since because they are easy to manufacture. A CPU cooler made from sheet metal is not very common these days, but it can still be found in some older computer cases that use CPU coolers for their cooling system.

The CPU cooler helps with dissipating heat which can cause system instability and shorten the lifespan of your CPU if not kept in check.

When looking at a CPU cooler, you should consider what type you want – air-cooled or liquid-cooled. They provide different levels of noise level and cooling capability depending on what you’re trying to achieve. If you are low on space, an air-cooled one will work best, while a liquid-cooled one may work better when dealing with overclocking or higher power CPUs such as Intel Core i77800X Liquid.

6 Best CPU Coolers for Ryzen 7 3700X and 3800X

  1. Best Air CPU Cooler for Ryzen 7 3700X & 3800X – Noctua NH-D15
  2. Best Budget CPU Air Cooler for Ryzen 7 3700X & 3800X – Scythe Mugen 5 Rev B 
  3. Best Silent CPU Air Cooler for Ryzen 7 3700X & 3800X – Be Quiet Dark Rock Pro 4  
  4. Best Silent AIO Liquid CPU Cooler for Ryzen 7 3700X & 3800X – Fractal Design Celsius+ S36 Prisma 
  5. Best RGB AIO Liquid CPU Cooler For Ryzen 7 3700X & 3800X – Corsair H115i RGB Platinum
  6. Best Air CPU Cooler For Ryzen 7 3700X & 3800X – DeepCool Gammaxx 400

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CPU Cooler

Rating

Price

Item Dimensions 5.31 x 5.91 x 6.5 inches
Cooling Method Air
Compatible Devices Desktop
Noise Level 19.2 dB

Item Dimensions 6.5 x 5.75 x 3.94 inches
Cooling Method Air
Compatible Devices Desktop
Material Metal
Air Flow Capacity 51.17 Cubic Feet Per Minute

Item Dimensions 5.3 x 5.7 x 6.4 inches
Power Connector Type 4-pin PWM
Wattage 125
Cooling Method Fan
Compatible Devices Desktop
Noise Level 24.3 dB
Material Copper

Item Dimensions  15.75 x 5.12 x 4.53 inches
Cooling Method Water, Air
Noise Level 20 dB

Item Dimensions 12.6 x 5.51 x 1.18 inches
Cooling Method Water
Compatible Devices Desktop
Noise Level 37 dB
Air Flow Capacity 97 Cubic Feet Per Minute

Item Dimensions 7 x 6.7 x 5.1 inches
Wattage 125 watts
Cooling Method Air
Compatible Devices Desktop
Material Sintered


Noctua NH-D15

Best CPU Coolers for Ryzen 7 3700X & 3800X
Noctua NH-D15

Noctua NH D15 is one of the most popular choices for PC gamers and enthusiasts. The low-profile design makes it perfect for those looking to upgrade their CPU cooler with a new, more efficient model that doesn’t take up so much room inside the case or interfere with other components such as RAM modules.

  • Renowned cooling expert Achim Roos design Noctua NH-D15
  • It includes six heat pipes made from copper (six times denser than Aluminum)
  • This provides excellent protection against temperature fluctuations at higher levels of performance

The top has been reinforced to ensure longevity when overclocking your processor without risking damage due to high vibration loads on the motherboard caused by fans running close to it; not only does this provide peace of mind, but it also makes Noctua NH-D15 the first true overclocking air cooler on the market.

Achim Roos has designed this CPU Cooler and made sure that six heat pipes are used with copper to give you excellent protection against temperature fluctuations at higher performance levels.

The top of Noctua NH-D15 has been reinforced to ensure longevity when overclocking your processor without risking damage due to high vibration loads on the motherboard caused by fans running close to it. The result is a genuinely overclocking air cooler!

You will need one fan for each tower to have a maximum cooling effect because if there’s only one fan, all its power might be concentrated onto just two or three towers instead of evenly distributed.

Noctua NH-D15 is the ultimate choice for those who want a high-quality, low-profile CPU cooler that will provide you with top-of-the-line cooling performance without costing too much money or taking up too much room inside your PC case!

The best thing about Noctua NH-D15 is its perfect compatibility with any motherboard because installation takes only minutes and doesn’t involve having to remove other components such as RAM modules.

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Scythe Mugen 5 Rev B 

Best CPU Coolers for Ryzen 7 3700X & 3800X
Scythe Mugen 5 Rev B

The Scythe Mugen Rev B is a high-performance heatsink that accomplishes what it sets out to do: provide as much surface area for heat dissipation with the least amount of noise possible.

The core design goal behind this model was efficiency, but they created quite an attractive-looking fan unit too! This project has been over two years in R&D before being released in 2016/03 (just recently).

As you can see from the pictures below, there are many cooling fins per unit volume to maximize surface contact between aluminum fins and copper cold plate while also maximizing airflow along with tall towers with short jet fin tips. There are 11 blades available which make it perfect for balanced smoothness and noise levels.

The Scythe Mugen Rev B measures 140x140x25mm and weighs 680g, with a noise output of 0.21A/15mP-G (12V). It is compatible with Intel sockets LGA775, 1150, 115X; AMD: FM*, AM* series processors including the FX-, Phenom II X-, Athlon II X0 /X+ /FX- CPUs and more that use similar mounting patterns as these processors.

The Scythe Mugen Rev B comes bundled with two 120mm PWM fans rated at 1800RPM to provide ample airflow for heat dissipation across the heatsink’s surface area. This cooler has been designed specifically for users who want high-efficiency cooling without sacrificing noise levels.

The Mugen 5 Rev B uses copper for its base plate and features an oil-coated finish that reduces friction and helps extend the blade’s lifespan.

The nervous Precision Mounting system, as well as plenty of ventilation holes and a second mounting point for a fan if necessary, help this revision Flex-Scythe Mugen 5 CPU cooler work flawlessly on AMD’s Ryzen 7 3700x or 3800x.


Be Quiet Dark Rock Pro 4  

Best CPU Coolers for Ryzen 7 3700X & 3800X
Be Quiet Dark Rock Pro 4 

The Be Quiet Dark Rock Pro is a high-end, premium tower cooler with four heat pipes and an asymmetrical design that hugs the CPU IHS. It’s available in two versions; one for AMD sockets and another for Intel systems.

The quiet 135mm SilentWings fan features nine airflow-optimized blades to deliver air at low noise levels without compromising cooling performance.

Specification

  • Four copper heat pipes (heatpipe diameter of 12 mm each)
  • Solid aluminum top plate (the base material has also been using on the company’s popular Shadow Rock Slim models).
  • High-quality Fins cut from solid Aluminum sheets are bent into shape using advanced bending technology.
  • The fins are then secured in place with a strong and highly effective adhesive.
  • Asymmetrical design to better fit the shape of an Intel CPU socket; 50% more surface area than other coolers, each fin has a height of 72 mm.
  • Maximum cooling performance for overclocking enthusiasts: TDP of up to 220 watts (depending on motherboard BIOS setting) is possible without compromising noise levels or system compatibility.
  • Be Quiet Dark Rock Pro features that make it perfect for gamers and PC builders looking for high-quality soundproofing solutions which don’t want to sacrifice performance and aesthetics. 

Be Quiet Dark Rock Pro Features:

  • SilentWings fan operating at 1500 RPM (~23 dB) Dark Rock Pro is also available with a 120mm SilentWings fan running at 1200 RPM.
  • Low profile and compact design allow for easy installation in nearly all PC cases. Compatible with AMD sockets: AM²+, FM², AM³+; not compatible with Intel’s 2011-viii socket.
  • Noise reduction thanks to a decoupled design that prevents the fast-spinning fan from generating noise.
  • The four heat pipes are nickel-plated and copper, both of which provide excellent thermal conductivity Plus, they look good.
  • A 22mm slim fin stack for optimal performance at lower TDP levels * Available in two versions: Dark Rock Pro (AMD) or Dark Rock Advanced Casing System (Intel).
  • Anodized aluminum top cover with laser engraving Be Quiet logo * The diamond-cut finish gives it an elegant touch.
  • IPX54 Protection against water splashes and dust ingress is provided by rubber seals around the side panel ports on all models.

Fractal Design Celsius+ S36 Prisma 

Best CPU Coolers for Ryzen 7 3700X & 3800X
Fractal Design Celsius+ S36 Prisma 

The Fractal Design Celsius+ S36 Prisma is a mid-tower PC case with an elegant prismatic design that provides a sleek and clean exterior. The front bezel features two mesh-covered 140mm fans designed to provide airflow without producing any noise, while the top panel has three 120mm fan slots for more significant cooling potential.

Additionally, there are four additional 120mm or 140mm optional fan slots on the side panels enabling you to customize your system’s airflow based on specific needs.

For storage options, this chassis offers room for up to six hard drives and provides plenty of space behind the motherboard tray allowing users to easily install rear expansion cards into designated PCI Express x16 slots using full-length graphics cards.

The top I/O panel provides easy access to two USB ports and audio jacks, which is convenient for accessing your keyboard or mouse during intense gaming sessions.

Fractal Design Celsius+ S36 Prisma Specifications:

  • Dimensions (W x H x D): 220mm x 600mm x 540mm
  • Motherboard Support: ATX, MicroATX, Mini ITX
  • Expansion Slots: Seven total – Five are only usable with a full-length graphics card installed Three 120×120 mm fan slots on the back of the motherboard tray (One included) that can be used as exhaust fans in conjunction with CPU tower coolers or water cooling radiators if desired to provide extra cooling to the CPU.
  • Six cooling fan slots: Two 140mm front mesh-covered fans, Four 120mm side panel fan slots with covers, and one 120mm rear exhaust slot (One included)
  • Additional Features: Mesh-backed entire length dust filters in the power supply bay and bottom of the chassis can be easily removed to clean the Tool-less drive mounting system on the backside of the motherboard tray.

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Corsair H115i RGB Platinum

Best CPU Coolers for Ryzen 7 3700X & 3800X
Corsair H115i RGB Platinum

The H115i has a single 140mm fan at the front and rear, with two 120 mm fans on either side of the radiator. All are PWM controlled to deliver cool air where it’s needed most, in this case, directly over your VRMs/CPUs or any other components that require cooling quickly.

Corsair also gives you an option for mounting up to four additional 120mm fans if more airflow is required.”

“Corsair Hydro Series Liquid CPU Cooler H115i RGB Platinum Edition features a 280mm radiator built around dense aluminum fin arrays, split into three 60mm thick copper heat pipes running through them.”

The Corsair Hydro Series H115i is a 280mm, all-in-one liquid CPU cooler designed to offer reliable cooling for your motherboard and processor with low noise. The radiator has dense aluminum fins that are split into three copper heat pipes running through them.

You can add two optional fans if you want more airflow or need to cool other components like graphics cards or RAM modules as well.”

Corsair H115i RGB Platinum Specification

  • 280mm radiator
  • Anodized aluminum fins are split into three copper heat pipes running through them.
  • Works with Intel LGA 115x and 2011 / 2066 socket CPUs (not compatible with AMD sockets)
  • The Corsair H115i RGB Platinum is a liquid CPU cooler designed for reliability and low noise levels when cooling your motherboard+processor(s). It’s built around the same components as its predecessor. Still, it includes an updated control board that brings in more lighting effects to the mix along with compatibility updates for newer platforms like AMP slots.”

DeepCool Gammaxx 400

Best CPU Coolers for Ryzen 7 3700X & 3800X
DeepCool Gammaxx 400

The DeepCool Gammaxx 400 is a budget-oriented air cooler that still manages to deliver solid performance. The Deepcool was designed for CPUs with TDPs under 130 watts and had an MSRP of USD 30, making it ideal for users looking for a cost-effective CPU cooler.

Even though this product is marketed as air-only cooling, the DeepCooler supports 160mm in height. It also supports all types of Intel sockets like LGA 2011(-V), 115X/1366(both), and AMD socket FMI A55/FMII A85X/Socket AMIII (socket AM II).

Deep Cool Gammaxx 400 Specifications:

  • Fan speed: 600-1600 RPM
  • Fan size: 120 mm
  • Airflow (CFM): 74.55 at 100% fan speed
  • Noise level (dBA) : 39.18 dBA at 100% fan speed
  • Mounting tip orientation, Intel sockets LGA 2011(-V), 115X/1366(both) and AMD socket FMI A55/FMII A85X/Socket AMIII(socket AM II).
  • Product dimensions (in mm): 120(L) x 160(H)
  • Pump type: Deep Cool’s self-designed pump with noise less than 18dBA
  • Product weight (kgs.): 0.205 kg

DeepCool Gammaxx 400 Features:

  • Fan speed 600-1600 RPM; Fan size 120mm; Airflow 74.55 at 100% fan speed; Noise level 39.18 dBA at 100% fan speed; Deep Cooler provides support up to 160mm in height.
  • It also supports all types of Intel sockets like LGA 2011(-V), 115X/1366(both), and AMD socket FMI A55/FMII A85X/Socket AMIII(socket AM II). DeepCooler provides support up to 160mm in height. It also supports all types of Intel sockets like LGA 2011(-V), 115X/1366(both), and AMD socket FMIA85x SocketAM III (socket AM II).

Frequently Asked Question

Question: What is the best CPU cooler for Ryzen 3700x & 3800x CPUs in 2021?

Answer: The Corsair Hydro Series Liquid Cooler H115i RGB Platinum Edition offers reliable cooling with low noise levels. It’s built around dense aluminum fins, split into three copper heat pipes running through them.”

Question: What’s the difference between a liquid and air cooling system on a computer?

Answer: A liquid cooling system uses a water-based fluid to transfer heat away from the source. Air cooling relies on air flowing over or through something to dissipate heat.

Question: What is an aftermarket CPU cooler?

Answer: An aftermarket CPU cooler can be either purchased separately, like for example, the Noctua NH-D14 SE2011, which was explicitly designed for Intel’s LGA 2011 socket, or it can come as part of a kit with other parts such as thermal paste and backplates that need replacing when upgrading your processor

Question: How do I tell if my computer needs an upgrade?

Answer: The most straightforward way would be checking out some benchmarks online, but otherwise, you might want to take note of how hot your computer is running.

  • If you have some overheating games, this could be a sign of lousy cooling and might need an upgrade to keep up with the increased demands on it from playing newer games.
  • Generally speaking, if the fan in your PC starts spinning at full speed for no particular reason or when performing routine tasks like browsing the internet, then there’s probably something wrong with your CPU cooler.

Question: What should I do if my Ryzen laptop has a processor temperature sensor error?

Answer: These errors can happen as part of general wear and tear, so try cleaning out any dust accumulation around where the CPU sits inside its protective housing. You might also want to use compressed air (not too much) to clean out any dust or other objects from the fan vents.

If you’re still getting this error, it’s probably time to replace your CPU cooler with a more efficient one that can keep up with Ryzen chips.

Question: What is thermal paste?

Answer: Thermal pastes are slimy substances used to create an even conductive layer between two surfaces to regulate heat flow across them and increase cooling efficiency. It helps bridges the gap of air pockets on both sides so that they don’t act as impediments when trying to transfer heat away from the source, which these gaps would otherwise hinder. The best type of thermal paste has a low dielectric constant, meaning that it doesn’t require much voltage (electricity) to transfer heat.

One example is Dow Corning TC-2330.

It can also be applied in a liquid form, making it easier for the paste to reach all of the necessary surfaces and gaps between them. This is commonly done with heatsinks with large surface areas but might not have ample room on their sides or bottom, so we need an extra layer of conductivity there.

Question: What are some things I should look out for when buying an aftermarket CPU cooler?

Answer: You’ll want to check if your computer has enough clearance around its CPU socket, usually measured by millimeters – you shouldn’t buy one that’s taller than 140mm since this will limit how close the cooler can be to the CPU.

You should also make sure that you’re buying a compatible cooler for your motherboard’s socket type, and don’t forget about compatibility with any case fans, power cables, or other obstacles in the computer before purchasing one.

Question: What are some aftermarket CPU coolers I should consider?

Answer: Some good examples of high-performance air cooling systems would include Noctua NH-D14 SE2011, which is explicitly designed for Intel LGA 2011 processors, Phanteks PH-TC12LS Low Profile Tower Cooler, which has an excellent balance between height and performance, Corsair Hydro Series H100i VXL Liquid CPU Cooler 240mm Radiator as well as Cryorig A40 Ultimate Performance Air Cooling System

Other examples of liquid cooling would be Corsair Hydro Series H100i VXL Liquid CPU Cooler – 240mm Radiator, Thermaltake 120mm Riing Plus RGB LED Premium Quiet Edition, or NZXT Kraken X62 280MM All In One Water/Liquid CPU…


Conclusion

It’s important to note that the more cores you have, the hotter your CPU will run. So if you are looking for a cooler with excellent cooling efficiency and an excellent price-to-performance ratio, go with our first choice of DeepCool Gammaxx 400L – it can dissipate up to 250 Watts! These coolers come with fans included; make sure they match in size before installing them. If you want something even better than what we recommended here but don’t mind spending some money on it (almost double), then buy Noctua NH-D15 instead. This is considered by many as one of the best air coolers available today.

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