Intel Core i5-10400 vs Intel Core i9-11900

Introduction and Technical Features: The Intel Core i5-10400 (Comet Lake S), a 10th generation processor, is aimed at mainstream users for everyday tasks and light gaming.

Manufactured using 14nm process, it offers 6 cores, 12 threads, 12 MB Level 3 Cache, and PCIe 3.0 with 43 GB/s memory bandwidth, as well as Intel UHD Graphics 630. The 11th generation Intel Core i9-11900 (Rocket Lake S) is designed for high performance demands in professional applications and high-end gaming.

Also manufactured using 14nm process, it features 8 cores, 16 threads, 4 MB Level 2 Cache, 16 MB Level 3 Cache, PCIe 4.0 with 51 GB/s memory bandwidth, and Intel UHD Graphics 750. Performance, Gaming and Energy Efficiency: In single-core performance, the Intel Core i9-11900 surpasses the Intel Core i5-10400 by over 60 percent, and in multi-core performance by more than 40 percent.

For demanding gaming, the Intel Core i9-11900 is the superior choice thanks to higher clock speeds, better single-core performance, and PCIe 4.0. The Intel Core i5-10400 offers solid but lower performance for mainstream games. The Intel Core i9-11900 has higher power consumption and TDP, which requires more robust cooling; the Intel Core i5-10400 is more energy efficient.

Price-Performance Ratio and Recommendation: The price-performance ratio of the Intel Core i5-10400 is excellent for the average user. The Intel Core i9-11900 offers premium performance for specific workloads, but is more expensive. Recommendation: Intel Core i5-10400 for budget users; Intel Core i9-11900 for performance enthusiasts.