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Noctua NH-L9x65 vs Thermaltake Gravity i3 Intel LGA 1700 Cocket, 95W

Updated August 2026 — Noctua NH-L9x65 leads on noise level and cooling.

The Noctua NH-L9x65 offers superior cooling performance and quieter operation, making it the better choice for high-quality builds, while the Thermaltake Gravity i3 is a budget-friendly option for low-power systems.

Why Noctua NH-L9x65 is better

Cooling Performance

Noctua excels in cooling efficiency and noise levels.

Compatibility

Noctua supports a wider range of CPU sockets.

Build Quality

Noctua is recognized for its superior build quality.

Why Thermaltake Gravity i3 Intel LGA 1700 Cocket, 95W is better

Price

Thermaltake is significantly cheaper.

Installation Ease

Thermaltake offers quick installation.

Size

Thermaltake has a compact design suitable for tight spaces.

Overall score

Noctua NH-L9x65
85
Thermaltake Gravity i3 Intel LGA 1700 Cocket, 95W
60

Specifications

SpecNoctua NH-L9x65Thermaltake Gravity i3 Intel LGA 1700 Cocket, 95W
Current Price$69.95$17.79
Noise Level21.3 dBa36.5 dBa
Airflow31.343 CFM56.84 CFM
WarrantyN/A2 Years
Thermal PasteIncludedNot Included

Dimension comparison

Noctua NH-L9x65Thermaltake Gravity i3 Intel LGA 1700 Cocket, 95W

Overview of the Noctua NH-L9x65 and Thermaltake Gravity i3

The Noctua NH-L9x65 and Thermaltake Gravity i3 are both low-profile CPU coolers designed for compact builds, but they offer different features and performance levels. The Noctua NH-L9x65 is priced at $69.95, while the Thermaltake Gravity i3 is significantly cheaper at $17.79—about 75% less expensive. This stark price difference suggests varying target markets and performance expectations.

Design and Build Quality

The Noctua NH-L9x65 showcases a compact design with a total height of only 65mm, making it ideal for small form factor builds like HTPCs and ITX systems. It does not overhang RAM or PCIe slots, which is a crucial feature for space-constrained setups. In contrast, the Thermaltake Gravity i3 also features a low-profile design, measuring just 2.58 inches in height and supporting Intel LGA 1700 sockets. While both are designed for compact installations, the Noctua’s build quality and attention to detail are often recognized as superior, featuring a highly optimized NF-A9x14 slim 92mm fan.

Cooling Performance

Cooling performance is where the Noctua NH-L9x65 stands out with its optimized fan capable of delivering ultra-quiet operation. It is recommended for CPUs with low to moderate heat dissipation, making it suitable for processors like the AMD Ryzen 7950X3D and Intel 285K. The Thermaltake Gravity i3 provides adequate cooling for low-power processors, featuring a fan that delivers a maximum airflow of 56.84 CFM. However, it operates at a higher noise level of 36.5 dBa compared to the Noctua’s low-noise capabilities, making the latter a better choice for noise-sensitive environments.

Compatibility

The Noctua NH-L9x65 is highly versatile, compatible with various Intel sockets including LGA1851, LGA1700, LGA1200, and LGA115x, as well as AMD AM5 and AM4. Its offset mounting option enhances efficiency across different CPU models. On the other hand, the Thermaltake Gravity i3 is specifically designed for Intel sockets LGA1851 and LGA1700. While both coolers are user-friendly and easy to install, the Noctua offers broader compatibility, making it a more flexible option for diverse builds.

Noise Levels

Noise levels are crucial for many users, especially those building systems in quiet environments. The Noctua NH-L9x65 excels in this aspect, thanks to its PWM support and Low-Noise Adaptor, ensuring minimal noise during operation. The fan is designed for automatic speed control, which translates to a quieter computing experience. In contrast, the Thermaltake Gravity i3 operates with a noise level of 36.5 dBa, which is noticeably louder and may not be suitable for noise-sensitive applications. Users prioritizing a quiet operation should lean towards the Noctua.

Installation Ease

Both coolers are designed for straightforward installation. The Noctua NH-L9x65 comes with a SecuFirm2 mounting system, which enhances ease of installation across different socket types. It also includes high-end NT-H1 thermal paste, which is a bonus for users looking for optimal thermal performance. The Thermaltake Gravity i3 boasts quick and easy installation as well, but it lacks the premium thermal paste that Noctua provides. While both products are user-friendly, the Noctua offers a more comprehensive package for first-time builders.

Price Point

The price difference between the two coolers is significant. The Noctua NH-L9x65 retails for $69.95, while the Thermaltake Gravity i3 is available for just $17.79. This means that the Noctua is approximately 292% more expensive than the Thermaltake. While price is often a critical factor in purchasing decisions, it’s essential to weigh the cost against performance and features. Users looking for exceptional quality and performance may find the Noctua's price justified, whereas budget-conscious consumers might prefer the affordability of the Thermaltake.

Which should you buy?

Choosing between the Noctua NH-L9x65 and the Thermaltake Gravity i3 ultimately depends on your specific needs and budget. If you prioritize quiet operation, versatility, and superior cooling performance, the Noctua NH-L9x65 is a worthwhile investment despite its higher price. On the other hand, if you are looking for an economical option for a low-power Intel build, the Thermaltake Gravity i3 provides decent performance at an unbeatable price. Your choice should align with your usage requirements, whether that be silence, compatibility, or cost-effectiveness.