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Thermalright Peerless Assassin 140 Black CPU Cooler vs Thermaltake Gravity i3 Intel LGA 1700 Cocket

Updated August 2026The Thermalright Peerless Assassin 140 Black offers superior cooling performance and compatibility, making it the better choice for high-performance builds. The Thermaltake Gravity i3 is a budget-friendly option suitable for casual users.

The Thermalright Peerless Assassin 140 Black offers superior cooling performance and compatibility, making it the better choice for high-performance builds. The Thermaltake Gravity i3 is a budget-friendly option suitable for casual users.

Why Thermalright Peerless Assassin 140 Black CPU Cooler is better

Cooling Performance

Peerless Assassin has 66.17 CFM airflow compared to Gravity i3's 31.343 CFM.

Compatibility

Peerless Assassin supports a wider range of CPU sockets.

Noise Level

Peerless Assassin operates at ≤25.6 dB(A), quieter than Gravity i3's 21.3 dB.

Why Thermaltake Gravity i3 Intel LGA 1700 Cocket is better

Price

Gravity i3 is significantly cheaper at C$20.90.

Size

Gravity i3's low-profile design is better for compact builds.

Installation

Gravity i3 offers quick and easy installation for Intel LGA 1700.

Overall score

Thermalright Peerless Assassin 140 Black CPU Cooler
85
Thermaltake Gravity i3 Intel LGA 1700 Cocket
60

Specifications

SpecThermalright Peerless Assassin 140 Black CPU CoolerThermaltake Gravity i3 Intel LGA 1700 Cocket
PriceC$54.90C$20.90
Fan Speed1500 RPMN/A
Noise Level≤25.6 dB(A)21.3 dB
WarrantyN/A2 Years
Socket SupportIntel/AMDIntel Only

Dimension comparison

Thermalright Peerless Assassin 140 Black CPU CoolerThermaltake Gravity i3 Intel LGA 1700 Cocket

Overview of the Thermalright Peerless Assassin 140 Black

The Thermalright Peerless Assassin 140 Black is a high-performance CPU cooler priced at C$54.90. It features a twin-tower design with dual fans, which significantly enhances its heat dissipation capabilities. The cooler is equipped with a pure copper base and six copper heat pipes that effectively transfer heat away from the CPU. This model is particularly suitable for users looking for robust cooling solutions in larger chassis.

With a height of 158mm, the Peerless Assassin fits well in medium to large cases while allowing compatibility with high-profile memory and graphics cards. The dual fans operate at a maximum speed of 1500 RPM, generating an air volume of 66.17 CFM while maintaining a noise level of ≤25.6 dB(A). This cooler is compatible with various Intel and AMD CPU sockets, making it a versatile choice for many builds.

Overview of the Thermaltake Gravity i3

The Thermaltake Gravity i3 is a budget-friendly CPU cooler priced at just C$20.90. Designed specifically for the Intel LGA 1700 socket, this cooler features a low-profile design with a height of 2.58 inches, making it an excellent option for compact builds. Despite its smaller size, the Gravity i3 includes a 7-bladed fan that operates at a noise level of 21.3 dB, providing a relatively quiet operation.

The airflow generated by the Gravity i3 is 31.343 CFM, which, while effective for less demanding setups, is significantly lower than the Thermalright Peerless Assassin. Quick installation is one of its selling points, and it comes with a 2-year warranty, adding to its appeal as an entry-level cooler for budget-conscious consumers.

Cooling Performance Comparison

In terms of cooling performance, the Thermalright Peerless Assassin 140 Black outperforms the Thermaltake Gravity i3 by a wide margin. With a maximum airflow of 66.17 CFM, the Peerless Assassin is designed for more intensive usage scenarios, making it suitable for high-performance CPUs that generate more heat. In contrast, the Gravity i3's airflow of 31.343 CFM is adequate for low to mid-range processors but may struggle under heavier loads.

The Peerless Assassin's dual fans and advanced heat dissipation technology, including pure copper heat pipes and a larger surface area, provide a substantial advantage over the Gravity i3. As a result, users seeking optimal cooling for overclocking or high-performance applications would find the Thermalright model to be a superior choice.

Noise Levels and Operating Conditions

When it comes to noise levels, both coolers maintain relatively quiet operations, but there are notable differences. The Thermalright Peerless Assassin operates at a maximum noise level of ≤25.6 dB(A), making it a quieter option when considering its higher performance capabilities. This makes it suitable for gaming and productivity environments where noise can be a distraction.

On the other hand, the Thermaltake Gravity i3 operates at 21.3 dB, which is slightly quieter than the Peerless Assassin. However, given that the Gravity i3 has lower cooling capacity, this trade-off may not be significant for users prioritizing performance over noise. Therefore, while the Gravity i3 is quieter, the noise difference may not justify its lower cooling performance for many users.

Installation and Compatibility

Installation is a crucial factor for many builders, and both the Thermalright Peerless Assassin and the Thermaltake Gravity i3 offer unique advantages. The Peerless Assassin comes with an all-metal fastener system that simplifies installation across various CPU sockets, including Intel LGA 1700 and AMD AM4/AM5. Its dual-fan setup can be connected easily using the included Y-type adapter, which is a thoughtful addition for those with limited motherboard fan headers.

In contrast, the Gravity i3 is designed for quick and easy installation, specifically targeting the Intel LGA 1700 socket. Its low-profile design makes it easier to install in tighter spaces, which can be a significant advantage for compact builds. While both coolers are user-friendly, the Peerless Assassin's broader compatibility may appeal more to users with diverse setups.

Price-to-Performance Ratio

The Thermalright Peerless Assassin 140 Black, priced at C$54.90, offers a high price-to-performance ratio, especially for users looking for high-end cooling solutions. With its superior cooling capacity and features, it justifies the higher cost, particularly for gamers and content creators who require robust thermal management.

On the other hand, the Thermaltake Gravity i3 is an excellent choice for budget-conscious users, being priced at only C$20.90. While it lacks the performance of the Peerless Assassin, it offers decent cooling for casual users or those with lower-end CPUs. Therefore, the price-to-performance ratio of each cooler appeals to different segments of the market, making them suited for distinct user needs.

Aesthetics and Build Quality

In terms of aesthetics, the Thermalright Peerless Assassin features a sleek twin-tower design with symmetrical mecha-shaped fins, which can enhance the visual appeal of a build, particularly in larger cases. Its all-aluminium fins and pure copper heat pipes contribute to a premium feel, making it an attractive option for enthusiasts who value the look of their components.

Conversely, the Thermaltake Gravity i3 adopts a more utilitarian approach with its low-profile design. While it may not be as visually striking as the Peerless Assassin, its compact form factor is ideal for space-constrained builds. Both coolers are well-built, but the choice between them may come down to personal preference regarding aesthetics.

Which should you buy?

Deciding between the Thermalright Peerless Assassin 140 Black and the Thermaltake Gravity i3 ultimately depends on your specific needs and budget. If you are looking for a high-performance cooler with superior heat dissipation and broader compatibility, the Peerless Assassin at C$54.90 is the clear winner. Its advanced cooling features make it suitable for demanding applications, and the noise levels remain impressively low.

However, if you are on a tight budget or building a compact system with a less demanding CPU, the Thermaltake Gravity i3 at C$20.90 offers a great value proposition. It provides adequate cooling for casual use and is easy to install, making it a solid choice for budget-conscious consumers. Both coolers cater to different user needs, so your decision should align with your specific requirements.

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Thermalright Peerless Assassin 140 Black CPU Cooler vs Thermaltake Gravity i3 Intel LGA 1700 Cocket | versusfinder