The Intel Core i5-12400 represents a significant step up in performance, built on the 12th Generation architecture. This processor is engineered for users who require a reliable balance of power and efficiency, making it ideal for everything from demanding multi-tasking to high-refresh-rate gaming. At its core, the i5-12400 features 6 Performance-cores, providing robust processing power. It boasts a maximum turbo frequency of 4.40 GHz, ensuring that even intensive applications run smoothly. The processor also includes 18 MB of Intel Smart Cache, contributing to faster data access and overall system responsiveness. For content creation and general use, the integrated Intel UHD Graphics 730 provides solid graphical output, supporting up to 4 displays. Furthermore, its comprehensive feature set includes Intel Quick Sync Video and support for up to 4096 x 2160 @ 60Hz resolution via HDMI 2.1. The platform supports modern memory standards, including up to DDR5 4800 MT/s and DDR4 3200 MT/s. When paired with a compatible motherboard (such as the MSI B660 Mortar WiFi DDR4 mentioned in testing), the i5-12400 can handle demanding workloads. The system supports up to 128 GB of memory and features advanced connectivity options, including PCI Express 5.0 and 4.0. Its robust build includes support for Intel Deep Learning Boost (Intel DL Boost) and Intel AES New Instructions, ensuring security and compatibility with modern software. Whether you are streaming high-resolution video, running complex simulations, or enjoying modern titles like Cyberpunk 2077 and Red Dead Redemption 2, the Intel Core i5-12400 provides the necessary computational muscle. It is a dependable choice for building a high-performance, future-ready PC in Sri Lanka.