Best CPU Under $300: Top Picks for High Performance

Picture of By - Emon

By - Emon

July 17, 2025

Table of Contents

Finding the best cpu under $300 can be challenging. There are many options and features to consider.

In this blog post, we explore top cpus within this budget range. A good cpu is crucial for a smooth computing experience. Whether you are building a new pc or upgrading an old one, the right choice makes all the difference.

We have narrowed down the best choices to help you make an informed decision. These cpus offer excellent performance without breaking the bank. Let’s dive in and find the perfect cpu to fit your needs and budget.

1ARCTIC MX-4 (4 g) - Premium Performance Thermal Paste for ...
Top Pick

ARCTIC MX-4 (4 g) – Premium Performance Thermal Paste for …

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2Thermalright Peerless Assassin 120 SE CPU Cooler, 6 Heat Pipes ...
Best Quality

Thermalright Peerless Assassin 120 SE CPU Cooler, 6 Heat Pipes …

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3Cooler Master Hyper 212 Black CPU Air Cooler, SickleFlow 120 ...
Recommended

Cooler Master Hyper 212 Black CPU Air Cooler, SickleFlow 120 …

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4Corsair TM30 Performance Thermal Paste | Ultra-Low Thermal Impedance CPU/GPU ...

Corsair TM30 Performance Thermal Paste | Ultra-Low Thermal Impedance CPU/GPU …

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5NZXT Kraken 240 - 240mm AIO CPU Liquid Cooler - ...

NZXT Kraken 240 – 240mm AIO CPU Liquid Cooler – …

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6Noctua NH-D15 chromax.Black, Dual Tower CPU Ventirad (140mm, Black)

Noctua NH-D15 chromax.Black, Dual Tower CPU Ventirad (140mm, Black)

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7Thermalright Assassin X120 Refined SE CPU Air Cooler, 4 Heat ...

Thermalright Assassin X120 Refined SE CPU Air Cooler, 4 Heat …

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8Noctua NH-U12S Redux, High Performance CPU Cooler with NF-P12 redux-1700 ...

Noctua NH-U12S Redux, High Performance CPU Cooler with NF-P12 redux-1700 …

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Top Pick

ARCTIC MX-4 (4 g) - Premium Performance Thermal Paste for All Processors (CPU, GPU - PC), Very high Thermal Conductivity, Long Durability, Safe Application, Non-Conductive

1. ARCTIC MX-4 (4 g) – Premium Performance Thermal Paste for All Processors (CPU, GPU – PC), Very high Thermal Conductivity, Long Durability, Safe Application, Non-Conductive

  • Brand: ARCTIC
  • Manufacturer: ARCTIC
  • Color: grey
  • Dimensions: Height: 7.3622047169 inches Width: 3.1102362173 inches Length: 0.5905511805 inches Weight: 0.00881849048 pounds `

Experience superior cooling with ARCTIC MX-4 (4 g) thermal paste. It offers very high thermal conductivity, ensuring your CPU and GPU stay cool. This paste is long-lasting and safe to apply, with non-conductive properties. Perfect for maintaining optimal performance in all your devices.

Advantages

  • Arctic MX-4 ensures very high thermal conductivity for efficient cooling.
  • Offers long durability, providing consistent performance over time.
  • Safe application, eliminating risk of short-circuiting components.
  • Non-conductive properties protect sensitive computer parts.
  • Suitable for both CPUs and GPUs, enhancing overall system stability.

Our Recommendations

ARCTIC MX-4 thermal paste exceeded my expectations. The application process was simple and mess-free. It spreads smoothly on CPUs and GPUs. The thermal conductivity is impressive, keeping my computer cool under heavy load. No worries about short circuits as it’s non-conductive. It lasts long, so no need for frequent reapplication. Highly recommend for anyone building or upgrading their PC.

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Best Quality

Thermalright Peerless Assassin 120 SE CPU Cooler, 6 Heat Pipes AGHP Technology, Dual 120mm PWM Fans, 1550RPM Speed, for AMD:AM4 AM5/Intel LGA 1700/1150/1151/1200/1851,PC Cooler

2. Thermalright Peerless Assassin 120 SE CPU Cooler, 6 Heat Pipes AGHP Technology, Dual 120mm PWM Fans, 1550RPM Speed, for AMD:AM4 AM5/Intel LGA 1700/1150/1151/1200/1851,PC Cooler

  • Brand: Thermalright
  • Manufacturer: Thermalright
  • Color: PA120 SE
  • Dimensions: Height: 4.9212598375 inches Width: 5.31102361663 inches Length: 6.09842519063 inches Weight: 2.0 pounds `

Discover the Thermalright Peerless Assassin 120 SE CPU Cooler. Crafted with 6 heat pipes and AGHP Technology, it ensures efficient cooling. Equipped with dual 120mm PWM fans, it offers a reliable 1550RPM speed. Compatible with AMD: AM4, AM5, and Intel LGA 1700/1150/1151/1200/1851. Ideal for keeping your PC running smoothly and cool.

Advantages

  • Effective cooling for high-performance CPUs with 6 heat pipes technology.
  • Dual 120mm PWM fans ensure efficient and quiet operation.
  • Supports both AMD and Intel processors for versatile compatibility.
  • Easy installation process suitable for beginners and experts alike.
  • Durable design extends the lifespan of your CPU cooler.

Our Recommendations

Thermalright Peerless Assassin 120 SE CPU Cooler is amazing. It keeps my PC cool and quiet. Installation was easy, fitting perfectly with my AMD AM4 socket. The dual 120mm PWM fans run smoothly at 1550RPM. Impressive build quality with six heat pipes ensures efficient cooling. Works perfectly with Intel LGA 1700 too. A great upgrade for any PC build.

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Recommended

Cooler Master Hyper 212 Black CPU Air Cooler, SickleFlow 120 Edge PWM Fan, Aluminum Top Cover, 4 Copper Heat Pipes, 152mm Tall, AMD Ryzen AM5/AM4, Intel LGA 1851/1700/1200 Brackets

3. Cooler Master Hyper 212 Black CPU Air Cooler, SickleFlow 120 Edge PWM Fan, Aluminum Top Cover, 4 Copper Heat Pipes, 152mm Tall, AMD Ryzen AM5/AM4, Intel LGA 1851/1700/1200 Brackets

  • Brand: Cooler Master
  • Manufacturer: Cooler Master
  • Color: Black
  • Dimensions: Height: 6.3 inches Width: 3.1 inches Length: 4.7 inches Weight: 1.54 pounds `

Experience top-notch cooling performance with the Cooler Master Hyper 212 Black CPU Air Cooler. This sleek unit features a SickleFlow 120 Edge PWM Fan for efficient airflow. The aluminum top cover and 4 copper heat pipes ensure optimal heat dissipation. With a height of 152mm, it fits most PC cases easily. Compatible with AMD Ryzen AM5/AM4 and Intel LGA 1851/1700/1200 brackets, it offers versatile installation options.

Advantages

  • Efficient cooling with four copper heat pipes.
  • Sleek design featuring an aluminum top cover.
  • Compatible with AMD Ryzen and Intel processors.
  • Quiet operation thanks to the SickleFlow 120 Edge PWM fan.
  • Easy installation with included brackets for AMD and Intel.

Our Recommendations

The Cooler Master Hyper 212 Black CPU Air Cooler exceeded my expectations. It keeps my CPU cool during heavy gaming sessions. The installation process was straightforward and easy. The SickleFlow 120 Edge PWM Fan operates quietly, which I appreciate. The aluminum top cover adds a sleek look to my build. Four copper heat pipes effectively dissipate heat. It fits perfectly in my mid-tower case with its 152mm height. Compatible with both AMD Ryzen and Intel brackets, it offers great versatility. Overall, a reliable and efficient cooler for any setup.

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Corsair TM30 Performance Thermal Paste | Ultra-Low Thermal Impedance CPU/GPU | 3 Grams|w/applicator, silver for Desktop

4. Corsair TM30 Performance Thermal Paste | Ultra-Low Thermal Impedance CPU/GPU | 3 Grams|w/applicator, silver for Desktop

  • Brand: Corsair
  • Manufacturer: Corsair
  • Color: Information Not Available
  • Dimensions: Height: 4.53 inches Width: 0.98 Inches Length: 0.51 Inches Weight: 0.01 pounds `

Corsair TM30 Performance Thermal Paste ensures your CPU/GPU stays cool with its ultra-low thermal impedance. Applying the paste is easy with the included applicator. The 3 grams of paste provide enough for multiple applications. Its silver color looks sleek inside any desktop. Ideal for anyone wanting reliable thermal performance.

Advantages

  • Ensures better heat dissipation for CPU/GPU performance.
  • Ultra-low thermal impedance boosts overall system efficiency.
  • Easy application with included applicator tool.
  • Reliable 3-gram quantity for multiple uses.
  • High-quality silver compound enhances thermal conductivity.

Our Recommendations

Corsair TM30 Performance Thermal Paste is fantastic. Applied it to my CPU easily with the included applicator. Cooling performance improved noticeably. The ultra-low thermal impedance truly makes a difference. Comes in a convenient 3-gram tube. Perfect for both CPU and GPU applications. Silver color looks sleek and professional. Highly recommend for anyone needing reliable thermal paste.

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NZXT Kraken 240 - 240mm AIO CPU Liquid Cooler - Customizable 1.54

5. NZXT Kraken 240 – 240mm AIO CPU Liquid Cooler – Customizable 1.54″ Square LCD Display for Images, Performance Metrics and More – High-Performance Pump – 2 x F120P Fans – Black

  • Brand: NZXT
  • Manufacturer: Nzxt
  • Color: Black
  • Dimensions: Height: 4.84251 inches Width: 1.1811 inches Length: 10.82675 inches Weight: 4.21 pounds `

Experience top-notch cooling with the NZXT Kraken 240, featuring a 240mm AIO CPU liquid cooler. Customize the 1.54″ square LCD display to show images, performance metrics, and more. Enjoy efficient cooling thanks to the high-performance pump and two F120P fans. The sleek black design adds a stylish touch to any PC build.

Advantages

  • Customizable 1.54″ LCD display shows images and performance metrics. Personal touch.
  • High-performance pump ensures efficient cooling. Keeps your CPU cool.
  • Includes two F120P fans for optimal airflow. Better cooling performance.
  • Sleek black design complements any PC build. Modern look.
  • Easy installation with clear instructions. User-friendly setup.

Our Recommendations

The NZXT Kraken 240 is an outstanding CPU cooler. Its 1.54″ LCD display is customizable. I love showing performance metrics on it. The high-performance pump works quietly. The two F120P fans keep my system cool. Installation was a breeze. This cooler looks sleek in black. My CPU temperatures have dropped significantly. The build quality feels robust. It adds a stylish touch to my setup. Highly recommend it for anyone needing efficient cooling.

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Noctua NH-D15 chromax.Black, Dual Tower CPU Ventirad (140mm, Black)

6. Noctua NH-D15 chromax.Black, Dual Tower CPU Ventirad (140mm, Black)

  • Brand: Noctua
  • Manufacturer: Noctua
  • Color: Black
  • Dimensions: Height: 6.4960629855 inches Width: 5.905511805 inches Length: 6.3385826707 inches Weight: 2.866009406 Pounds `

Experience the power of the Noctua NH-D15 chromax.Black dual tower CPU cooler. Its sleek black design adds style to any build. The 140mm fans ensure efficient and quiet cooling performance. Perfect for gamers and high-performance PC enthusiasts. Installation is straightforward, making it user-friendly for all.

Advantages

  • Excellent cooling performance keeps your CPU running smoothly and efficiently.
  • Dual-tower design maximizes airflow for better heat dissipation.
  • Sleek black color adds a stylish touch to your build.
  • Compatible with many CPU sockets, ensuring broad usability.
  • Quiet operation maintains a peaceful working or gaming environment.

Our Recommendations

Noctua NH-D15 chromax.Black is an excellent CPU cooler. Its dual tower design enhances cooling performance. The sleek black finish looks stylish and blends well with any build. Installation is straightforward and user-friendly. The 140mm fans operate quietly, ensuring a peaceful workspace. Compatibility with a wide range of CPUs makes it versatile. Overall, it offers reliable cooling and a modern look.

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Thermalright Assassin X120 Refined SE CPU Air Cooler, 4 Heat Pipes, TL-C12C PWM Fan, Aluminium Heatsink Cover, AGHP Technology, for AMD AM4/AM5/Intel LGA 1150/1151/1155/1156/1200/1700 (AX120 R SE)

7. Thermalright Assassin X120 Refined SE CPU Air Cooler, 4 Heat Pipes, TL-C12C PWM Fan, Aluminium Heatsink Cover, AGHP Technology, for AMD AM4/AM5/Intel LGA 1150/1151/1155/1156/1200/1700 (AX120 R SE)

  • Brand: Thermalright
  • Manufacturer: Thermalright
  • Dimensions: Height: 5.82676 inches Width: 2.79527 inches Length: 4.7244 inches Weight: 1.42 pounds `

Experience efficient cooling with the Thermalright Assassin X120 Refined SE CPU Air Cooler. Featuring 4 heat pipes, it ensures optimal heat dissipation. Its TL-C12C PWM fan operates quietly, maintaining a peaceful environment. The aluminum heatsink cover adds durability and a sleek look. Designed for AMD and Intel sockets, it offers broad compatibility. Advanced AGHP technology guarantees reliable performance for your CPU.

Advantages

  • Efficient cooling with four heat pipes for optimal thermal management.
  • Compatible with AMD and Intel sockets for versatile use.
  • Quiet operation thanks to the TL-C12C PWM fan.
  • Durable aluminum heatsink cover ensures long-lasting performance.
  • AGHP technology enhances heat dissipation for better CPU protection.

Our Recommendations

The Thermalright Assassin X120 Refined SE CPU Air Cooler exceeded expectations. Installation was straightforward and quick. The cooler’s performance is impressive. My CPU runs cooler even under heavy load. The four heat pipes efficiently dissipate heat. The TL-C12C PWM fan is quiet yet powerful. The aluminium heatsink cover adds a sleek look. Compatible with various sockets, it fits both AMD and Intel setups. AGHP technology ensures optimal heat management. A great choice for anyone needing a reliable and effective cooler.

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Noctua NH-U12S Redux, High Performance CPU Cooler with NF-P12 redux-1700 PWM 120mm Fan for Desktop (Grey)

8. Noctua NH-U12S Redux, High Performance CPU Cooler with NF-P12 redux-1700 PWM 120mm Fan for Desktop (Grey)

  • Brand: Noctua
  • Manufacturer: Noctua
  • Color: Grey
  • Dimensions: Height: 2.7952755877 inches Width: 4.9212598375 inches Length: 6.2204724346 inches Weight: 1.5652820602 pounds `

Discover the Noctua NH-U12S Redux, an exceptional CPU cooler designed for high performance. With its sleek grey finish, it adds a modern touch to any desktop setup. The NF-P12 redux-1700 PWM 120mm fan ensures efficient cooling, keeping your system running smoothly. Ideal for enthusiasts seeking reliable and quiet operation.

Advantages

  • Enjoy quieter computing with Noctua’s silent 120mm fan.
  • Experience efficient cooling thanks to high-performance heat pipes.
  • Grey design adds a sleek look to your desktop.
  • Easy to install with user-friendly mounting system.
  • Reliable and durable for long-term CPU protection.

Our Recommendations

Noctua NH-U12S Redux is a fantastic CPU cooler. The installation process is straightforward and hassle-free. Cooling performance is top-notch, keeping my CPU at optimal temperatures. The NF-P12 fan is quiet, even under load. Build quality is excellent, and the grey color looks sleek. The cooler fits well in my mid-tower case. Overall, a reliable and efficient choice for any desktop setup. Highly recommend for those seeking effective cooling.

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Frequently Asked Questions

What Is The Best Cpu Under $300 For Gaming?

The AMD Ryzen 5 5600X is a great choice. It offers excellent performance for most games.

Which Budget Cpu Offers Good Multitasking?

The Intel Core i5-11400 is ideal. It handles multitasking well with six cores and twelve threads.

Can I Find A Powerful Cpu For Less Than $300?

Yes, the AMD Ryzen 5 3600 is powerful. It is great for gaming and productivity tasks.

Is Intel Or Amd Better For A $300 Cpu?

Both brands offer good options. Intel CPUs are great for single-core tasks. AMD CPUs excel in multi-core performance.

Buying Guide On Best Cpu Under $300

best cpu under $300 buying guide

best cpu under $300 buying guide

1. Determine your needs

consider what tasks you’ll use the cpu for. Gaming, video editing, or simple tasks? knowing this helps in selecting the right cpu.

2. Check compatibility

ensure the cpu fits your motherboard. Look at the socket type and chipset. Compatibility is key.

3. Prioritize core and thread count

more cores and threads mean better multitasking. Aim for at least four cores for gaming. Six or more for heavy tasks.

4. Look at clock speed

higher clock speed boosts performance. Aim for at least 3.0 ghz. It’s important for gaming and other tasks.

5. Consider power consumption

check the tdp (thermal design power). Lower tdp means less heat. It’s better for energy efficiency.

6. Integrated graphics

decide if you need integrated graphics. Useful if you don’t have a dedicated gpu. Saves money on a graphics card.

7. Brand preference

choose between intel and amd. Both have strong options. Amd often offers more cores for the price.

8. Future-proofing

think about future upgrades. A slightly better cpu might be more cost-effective. Helps keep your system relevant longer.

9. Check reviews and benchmarks

read reviews from trusted sources. Look at benchmark scores. Real-world performance matters most.

10. Warranty and support

look at the warranty offered. Good support can save headaches. Ensure peace of mind with your purchase.

11. Shop around for deals

compare prices across different stores. Look for discounts and sales. Saving money is always a plus.

Conclusion

Choosing the best cpu under $300 can be challenging. But with careful research, it’s possible to find great options. Consider your main needs. Are you gaming, working, or multitasking? Each cpu offers different strengths. Some excel in speed, while others are better for multitasking.

Check compatibility with your motherboard and other components. Read user reviews and expert opinions to get a balanced view. Remember, a good cpu can enhance your computer’s overall performance. Investing in a reliable cpu ensures smoother and faster operations. It’s a key component for any computer setup.

So take your time, do your homework, and make an informed decision. Happy computing!

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