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Noctua NH-L9i-17xx vs Thermaltake Gravity i2 95W Intel LGA 1200/1156/1155/1150/1151 92mm CPU Cooler CL

Updated August 2026The Noctua NH-L9i-17xx offers superior cooling performance and quieter operation, making it the better choice for high-end users, while the Thermaltake Gravity i2 is a budget-friendly option for older systems.

The Noctua NH-L9i-17xx offers superior cooling performance and quieter operation, making it the better choice for high-end users, while the Thermaltake Gravity i2 is a budget-friendly option for older systems.

Why Noctua NH-L9i-17xx is better

Cooling Performance

Noctua excels with its NF-A9x14 fan.

Noise Levels

Noctua operates quieter under load.

Warranty

Noctua offers a 6-year warranty.

Why Thermaltake Gravity i2 95W Intel LGA 1200/1156/1155/1150/1151 92mm CPU Cooler CL is better

Price

Thermaltake is significantly cheaper.

Compatibility

Thermaltake supports more older Intel sockets.

Installation

Thermaltake promises quick installation.

Overall score

Noctua NH-L9i-17xx
85
Thermaltake Gravity i2 95W Intel LGA 1200/1156/1155/1150/1151 92mm CPU Cooler CL
60

Specifications

SpecNoctua NH-L9i-17xxThermaltake Gravity i2 95W Intel LGA 1200/1156/1155/1150/1151 92mm CPU Cooler CL
BrandNoctuaThermaltake
Socket SupportLGA1700, LGA1851LGA1200, 1156, 1155, 1150, 1151
Noise LevelQuiet21.3 dB
Warranty6 years2 years
PriceC$59.95C$19.86

Dimension comparison

Noctua NH-L9i-17xxThermaltake Gravity i2 95W Intel LGA 1200/1156/1155/1150/1151 92mm CPU Cooler CL

Introduction to CPU Coolers

In the competitive world of CPU coolers, both the Noctua NH-L9i-17xx and the Thermaltake Gravity i2 stand out in their respective categories. The Noctua NH-L9i-17xx is priced at C$59.95, making it a premium option for users who require a high-performance cooling solution. Meanwhile, the Thermaltake Gravity i2 offers a budget-friendly alternative at only C$19.86. This article will delve into the features, design, compatibility, and overall performance of both coolers to help you decide which one fits your needs best.

Design and Size

The Noctua NH-L9i-17xx features a low-profile design with a height of only 37mm, making it ideal for compact builds such as HTPCs and Small Form Factor cases. This design ensures 100% compatibility with RAM and PCIe slots across various motherboard formats. On the other hand, the Thermaltake Gravity i2 has a low-profile design as well, but it measures 25mm in height, making it slightly bulkier than the Noctua. This design allows for an airflow of 31.343 CFM, but it may not fit as snugly in tighter builds compared to the NH-L9i-17xx.

Cooling Performance

Cooling performance is critical in CPU coolers, and this is where the Noctua NH-L9i-17xx excels with its renowned NF-A9x14 slim 92mm fan. The fan offers automatic speed control through PWM, allowing for full cooling performance under load while remaining whisper-quiet at idle. Conversely, the Thermaltake Gravity i2 also features a 92mm fan but with a maximum noise level of 21.3 decibels, which may be audible in quieter environments. While both coolers are designed for low to moderate heat loads, the Noctua cooler is often regarded as a premium choice in terms of cooling efficiency.

Noise Levels

Noise levels play a significant role in user experience, especially for those who prefer a quieter setup. The Noctua NH-L9i-17xx stands out for its low noise operation, thanks to the Low-Noise Adaptor included with the fan. This feature ensures that even during high loads, the cooler remains relatively silent. In contrast, the Thermaltake Gravity i2 has a noise level of 21.3 decibels, which, while not excessively loud, may be noticeable during quiet tasks. Users prioritising silence may find the Noctua to be the better option.

Installation Process

Both coolers are designed for easy installation, but the Noctua NH-L9i-17xx takes it a step further with its SecuFirm2 mounting system. This system is specifically tailored for Intel’s LGA1700 and LGA1851 CPUs, making the installation process straightforward. The Thermaltake Gravity i2 also promises quick and easy installation, which can be appealing for users looking to set up their systems without hassle. However, the additional features in the Noctua’s installation system may provide a more secure fit over time.

Warranty and Reliability

Warranty is an important factor when investing in a CPU cooler. The Noctua NH-L9i-17xx comes with a generous 6-year manufacturer's warranty, reflecting the brand's confidence in its product's long-term reliability. Meanwhile, the Thermaltake Gravity i2 offers a 2-year warranty, which is shorter but still provides some assurance to buyers. The longer warranty period offered by Noctua may appeal to users who plan to keep their systems for an extended time.

Compatibility

Compatibility is crucial when selecting a CPU cooler, and both coolers cater to different Intel socket types. The Noctua NH-L9i-17xx supports the latest LGA1700 and LGA1851 platforms, making it suitable for newer Intel CPUs. In contrast, the Thermaltake Gravity i2 supports a wider range of older Intel sockets, including LGA 1200, 1156, 1155, 1150, and 1151. For users with older systems, the Thermaltake might be the more compatible choice, while those with newer builds should lean towards the Noctua.

Price Comparison

Price is a significant differentiator between the two coolers. The Noctua NH-L9i-17xx is priced at C$59.95, reflecting its premium quality and performance features. The Thermaltake Gravity i2, however, is significantly cheaper at C$19.86, making it an attractive option for budget-conscious users. While the Noctua offers advanced features and performance, the affordability of the Thermaltake may appeal to those who do not require high-end cooling solutions.

Which should you buy?

Choosing between the Noctua NH-L9i-17xx and the Thermaltake Gravity i2 ultimately depends on your specific needs and budget. If you are looking for superior cooling performance, quieter operation, and longer warranty coverage, the Noctua NH-L9i-17xx is the clear winner despite its higher price. However, if you are on a tight budget or working with an older Intel system, the Thermaltake Gravity i2 provides a reliable and affordable cooling solution that still performs adequately.

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Noctua NH-L9i-17xx vs Thermaltake Gravity i2 95W Intel LGA 1200/1156/1155/1150/1151 92mm CPU Cooler CL | versusfinder