Intel Core i5-9400F vs. AMD Ryzen 5 2600X | TechSpot
CPUs - Intel Core i5-9400 2.90GHz (Turbo Boost up to 4.10GHz) 9MB SmartCache, 6x Threads LGA 1151!! was listed for R2,199.00 on 8 Feb at 03:16 by Gee Traderz in Cape Town (ID:577372522)
Intel Core i5-9400F Specs | TechPowerUp CPU Database
Skytech Shadow Gaming Computer PC Desktop – Intel Core i5 9400F 2.9GHz, GTX 1660 6G, 500GB SSD, 8GB DDR4 3000MHz, RGB Fans, Windows 10 Home 64-bit, 802.11AC Wi-Fi - Nutrend.com
Question - i5-9400F refuses to boost to 4.1GHz on a single core. | Tom's Hardware Forum