AMD has recently quietly introduced an entry-level processor based on the Zen 4 architecture, known as the Ryzen 5 7400F. Priced at approximately $849, this product is targeted at budget-conscious consumers and features a six-core, twelve-thread design with the Raphael architecture, 6MB L2, and 32MB L3 cache. The processor has a nominal TDP of 65W (with an 88W PPT). When compared to the Ryzen 5 7500F within the same series, both processors share similar fundamental specifications and utilize the same 3.7 GHz base frequency. However, the 7400F boasts a maximum turbo frequency of 4.7 GHz, which is 300 MHz lower than the 7500F. Testing by numerous users and reviewers on platforms like B-site reveals only a 6% difference in single-core performance between the two, assuming no thermal limitations, resulting in overall performance being quite close. Nevertheless, the minor frequency differential is not their only shortcoming in practical use. Technical enthusiasts, after conducting disassembles and thorough tests, discovered that AMD chose to utilize a simple thermal paste between the Integrated Heat Sink (IHS) and the bare die in manufacturing the Ryzen 5 7400F, rather than employing the traditional Solder Thermal Interface Material (STIM). This decision clearly aims to cut costs but introduces potential risks for the product's thermal management. In real-world testing scenarios, with the default 88W PPT setting, the 7400F equipped with a liquid-cooling system quickly reached a maximum core temperature of 95°C. Increasing the package power to approximately 100W led to the chip temperature soaring to 105°C, rapidly triggering shutdown protection. Some reviewers manually adjusted the voltage and frequency within the BIOS, briefly increasing the main frequency to 5.05 GHz, yet the temperature persisted at 96°C, highlighting the instability in extreme cooling performance. For average users, engaging in daily office tasks and light entertainment may not result in extreme temperature issues. After all, under standard configurations, the processor can meet most usage requirements while operating within official specifications. However, for enthusiasts who seek overclocking performance and extreme stability, or gamers on a limited budget desiring maximum performance, the 7400F's shortcomings in heat dissipation and overclocking tuning may restrict its potential. In contrast, given its more mature process and higher turbo frequency, even at a marginally higher price, the Ryzen 5 7500F remains the more advisable choice. Image from B-site screenshot Additional investigations reveal that numerous international technology media outlets have also recognized this issue. A recent review by Tom's Hardware emphasizes that while the simple thermal paste design can reduce manufacturing costs, it also results in inferior thermal conductivity compared to STIM and a reduced lifespan, which is certainly unfortunate for users who have been long-time pursuers of high-performance tuning. Overall, the AMD Ryzen 5 7400F, with its affordable price point and relatively comparable core performance, retains a certain degree of market appeal, especially for users with limited budgets focused primarily on everyday tasks or light gaming. However, for high-end users aspiring for breakthroughs in overclocking and extreme performance or enthusiasts pursuing greater stability, opting for the Ryzen 5 7500F might be the wiser choice. A quality thermal interface not only facilitates superior thermal management but also ensures long-term system stability under prolonged high loads. AMD's decision can be seen as a compromise between cost and performance—low-priced entry-level products often necessitate sacrificing specific details to attain a higher price/performance ratio. For most ordinary consumers, such 'cutting corners' will not directly impact daily usage experience; however, from a professional standpoint, the thermal management limitations and overclocking potential constraints may affect the system's long-term performance and stability. Consequently, purchasers need to carefully consider their needs when making a decision.