2PCS Thermal Paste for CPU vs ARCTIC MX-4

Price and Value Comparison

2PCS Thermal Paste for CPU is about 33% cheaper than ARCTIC MX-4 at £3.99 versus £5.99. This price difference represents a saving of £2.00, making the Xinyig product significantly more budget-friendly. While ARCTIC MX-4 carries a premium positioning with an 8-year durability warranty, the Xinyig option offers a cost-effective alternative without specifying a warranty period. The lower price point of Xinyig may appeal to users seeking basic thermal performance on a tight budget, especially when considering that both products are priced similarly within the same category. However, the lack of explicit longevity guarantees in Xinyig’s description raises questions about long-term reliability compared to ARCTIC's stated 8-year durability.

Performance and Thermal Conductivity

ARCTIC MX-4 demonstrates superior thermal performance through its high thermal conductivity, supported by official specifications including a volume resistivity of 3.8 × 10¹³ Ω·cm and a density of 2.50 g/cm³. These metrics indicate a stable, high-performance formulation designed for consistent heat transfer across CPUs and GPUs. In contrast, while Xinyig claims "high thermal conductivity" and "excellent heat dissipation performance," it does not provide measurable values or technical data to substantiate these claims. The absence of quantifiable specs makes it difficult to assess how well Xinyig performs relative to ARCTIC MX-4 under sustained load. For users prioritising measurable performance benchmarks, ARCTIC MX-4 presents a more transparent and technically robust choice.

Application and User Experience

ARCTIC MX-4 includes a spatula in the package, which simplifies precise application and ensures even distribution—especially useful for beginners. Xinyig also mentions ease of use, stating that its thermal paste is “very easy to spread” and suitable for all skill levels, but it does not include a spatula or any installation tool. Instead, it recommends using a plastic scraper, implying users must source their own applicator. The inclusion of a dedicated spatula with ARCTIC MX-4 enhances user experience and reduces the risk of contamination or uneven coverage. For those who value convenience and precision, ARCTIC MX-4 offers a clear advantage over Xinyig, which relies on external tools and assumes users have the right equipment ready.

Material Compatibility and Safety

Both products claim compatibility with various materials and components, including CPUs, GPUs, and PC systems. ARCTIC MX-4 explicitly states it is non-conductive, a critical safety feature that prevents electrical short circuits during installation—a key consideration for sensitive hardware. Xinyig mentions that its thermal paste will not affect equipment and is safe to use, but it does not confirm whether it is non-conductive. This omission creates uncertainty around electrical safety, particularly when applying paste near delicate circuitry. Given that ARCTIC MX-4 clearly specifies non-conductivity, it provides greater peace of mind for users concerned about potential damage from conductive compounds.

Longevity and Durability

ARCTIC MX-4 comes with an 8-year durability warranty, indicating the manufacturer stands behind its long-term stability and performance. This commitment suggests the compound is engineered to maintain effectiveness over extended periods without drying out or degrading. Xinyig does not mention any warranty or expected lifespan, nor does it specify how long the thermal paste remains effective after application. While it claims a “longer shelf life” due to piston packaging, this refers to storage rather than operational longevity. Without a defined durability period, users must assume Xinyig’s performance may diminish sooner than ARCTIC MX-4’s, especially in high-temperature environments.

Packaging and Quantity

Xinyig offers two tubes (2PCS) of 3g each, totaling 6g of thermal paste—enough for multiple applications if used sparingly. ARCTIC MX-4 includes a single 4g tube, which is slightly less in total volume but still sufficient for standard CPU cooling tasks. The piston design of Xinyig’s packaging helps preserve the paste’s consistency and extends shelf life, while ARCTIC MX-4’s packaging is not described in detail. Although Xinyig provides more quantity by volume, ARCTIC MX-4’s inclusion of a spatula adds functional value beyond mere material count. The trade-off between quantity and included accessories favours ARCTIC MX-4 for practicality, despite Xinyig offering slightly more paste overall.

Which should you buy?

Choose ARCTIC MX-4 if you prioritise proven performance, safety, and long-term reliability—backed by a formal 8-year warranty and non-conductive properties. It includes a spatula, ensuring easier, cleaner application, and delivers transparency through measurable technical specs like volume resistivity and density. At £5.99, it is £2.00 more expensive than Xinyig, but the added confidence in quality justifies the premium for most users. Opt for 2PCS Thermal Paste for CPU only if budget is your primary concern and you’re comfortable relying on unverified claims about safety and longevity. Its lower price of £3.99 makes it attractive for casual users or those needing a temporary solution, but it lacks the technical assurance and included tools that make ARCTIC MX-4 the better overall choice for anyone serious about system cooling.