iUniker Active Cooler for Raspberry Pi 5 vs Thermal Grizzly - CPU Contact Frame Intel 1851 V1
Updated August 2026 — iUniker Active Cooler for Raspberry Pi 5 wins on noise and size, Thermal Grizzly - CPU Contact Frame Intel 1851 V1 wins on price.
The iUniker Active Cooler is the better choice for Raspberry Pi 5 users seeking an effective and quiet cooling solution, while the Thermal Grizzly is ideal for Intel CPU upgrades. Overall, the iUniker offers superior value.
Why iUniker Active Cooler for Raspberry Pi 5 is better
Price
iUniker is $9.99 compared to Thermal Grizzly's $24.99
Noise Level
iUniker operates below 18 dB, ensuring silent performance
Compatibility
iUniker is specifically designed for Raspberry Pi 5
Why Thermal Grizzly - CPU Contact Frame Intel 1851 V1 is better
Material Quality
Thermal Grizzly uses anodized aluminum for durability
Cooling Optimization
Thermal Grizzly improves CPU contact pressure
Installation
Thermal Grizzly offers a quick installation process
Overall score
Specifications
| Spec | iUniker Active Cooler for Raspberry Pi 5 | Thermal Grizzly - CPU Contact Frame Intel 1851 V1 |
|---|---|---|
| Cooling Type | Active | Passive |
| Installation Ease | Easy | Easy |
| Target Device | Raspberry Pi 5 | Intel CPUs |
| Heat Dissipation | Under 56°C | Not specified |
| Fan Speed Control | PWM | N/A |
Dimension comparison
Overview
The iUniker Active Cooler for Raspberry Pi 5 and the Thermal Grizzly CPU Contact Frame Intel 1851 V1 are both designed to enhance cooling performance, but they cater to different needs and systems. The iUniker cooler is specifically tailored for the Raspberry Pi 5, making it ideal for users of this popular single-board computer. In contrast, the Thermal Grizzly contact frame focuses on improving CPU cooling performance for Intel's Core Ultra series processors, appealing to PC builders and gamers.
Design and Build Quality
The iUniker Active Cooler features an aluminum heatsink that ensures effective heat dissipation while maintaining a compact size. Its pre-applied thermal tape simplifies installation, making it user-friendly for Raspberry Pi enthusiasts. On the other hand, the Thermal Grizzly contact frame is made of anodized aluminum, known for its durability and premium quality. Designed specifically for the LGA1851 socket, it provides a robust solution for Intel processors. Both products emphasize easy installation, but the iUniker cooler is tailored for quick setup on a Raspberry Pi, while the Thermal Grizzly frame targets Intel CPU users seeking better contact pressure.
Cooling Performance
The iUniker Active Cooler boasts superior heat dissipation capabilities, lowering CPU temperatures to under 56°C even under heavy loads. This is a significant improvement over passive cooling solutions, which can see temperature increases of 20-30°C. In contrast, the Thermal Grizzly contact frame enhances CPU cooler performance by optimizing contact pressure, which also results in lower temperatures. While exact figures for the Thermal Grizzly’s performance improvement are not specified, it is designed to prevent the concave curvature of the Integrated Heatspreader, promoting more efficient heat dissipation.
Noise Levels
The iUniker cooler operates at whisper-quiet levels, with a noise output below 18 dB, making it a great choice for those who prioritize a silent computing environment. This quiet operation is particularly beneficial during intensive tasks, such as AI or video processing, where noise can be distracting. The Thermal Grizzly does not explicitly mention noise levels, as it is a contact frame rather than a cooling fan. Therefore, the iUniker stands out in this category, especially for users sensitive to noise.
Compatibility
Compatibility is a crucial factor when selecting cooling solutions. The iUniker Active Cooler is explicitly designed for the Raspberry Pi 5, ensuring a perfect fit and seamless integration with the board’s PWM speed control capabilities. Conversely, the Thermal Grizzly contact frame is tailored for the Intel Core Ultra series CPUs using the LGA1851 socket. This specialization means that users must choose based on their specific hardware; the iUniker is excellent for Raspberry Pi users, while the Thermal Grizzly is ideal for those with Intel CPUs.
Price Comparison
The iUniker Active Cooler is priced at $9.99, making it a budget-friendly option at about 17% cheaper than the Thermal Grizzly contact frame, which retails for $24.99. This significant price difference can be a deciding factor for users looking for cost-effective cooling solutions. If you are using a Raspberry Pi 5, the iUniker offers excellent performance without breaking the bank. On the other hand, if you are looking to improve the cooling performance of an Intel CPU, the investment in Thermal Grizzly may be justified by its specialized design and potential performance gains.
Installation Ease
Both products are designed with user-friendliness in mind. The iUniker Active Cooler comes with pre-applied thermal tape and screws, allowing for installation in just a few minutes. This ease of use makes it accessible even for those who may not be technically inclined. The Thermal Grizzly contact frame also boasts a quick and hassle-free installation process, which is essential for users upgrading their CPU cooling solutions. However, the specific installation steps for each product will vary based on the user's hardware.
Which should you buy?
Choosing between the iUniker Active Cooler and the Thermal Grizzly contact frame ultimately depends on your specific needs and hardware. If you own a Raspberry Pi 5 and are looking for an effective, silent cooling solution at a lower price point, the iUniker Active Cooler is the clear winner. Its efficient design and user-friendly installation make it an excellent choice for Pi enthusiasts. Conversely, if you are upgrading an Intel CPU and seek enhanced cooling performance through improved contact pressure, the Thermal Grizzly contact frame is a worthy investment. Each product excels within its niche, so your choice should align with your computing setup and cooling requirements.

