MSI introduces Latency Killer to improve DDR5 latency on AM5 motherboards — feature reportedly reduces latency by up to 8ns

G.Skill DDR5.

MSI has seemingly introduced a new performance enhancer for its X870E motherboards, improving DDR5 memory latency. Uniko's Hardware on X found that the Latency Killer feature can reduce memory latency by up to 8ns.

This feature was introduced to combat purported memory latency degradation that started with AGESA 1.2.0.2a on AM5 motherboards—1.2.0.2a was the microcode update that added support for Ryzen 9000X3D CPUs. An AIDA64 benchmark run comparing the latency booster to default operating reveals an 8ns improvement in latency when turned on. This test was run on a Ryzen 7 9800X3D and an MPG X870E Carbon WiFi motherboard paired with DDR5-8000 CL38 memory running in combination with High-Efficiency mode tuned to the highest preset.