Gamers face a unique challenge: traditional antivirus software can cause performance slowdowns during gaming sessions, but going without protection is risky in today’s threat-filled online landscape. Our 2026 review identifies the best antivirus solutions that deliver robust protection without impacting your gaming experience. We tested 12 top antivirus products while running Cyberpunk 2077 at ultra settings, monitoring FPS, CPU usage, and memory consumption. The results were revealing ??some products dropped FPS by as much as 15%, while others were completely undetectable during gameplay. The top performers all share a common approach: intelligent game detection that automatically suspends non-essential background scans and notifications when a game launches. Norton 360’s Game Optimizer consistently delivered zero FPS loss, automatically allocating maximum resources to games. Bitdefender’s passive mode and Kaspersky’s gaming profile similarly produced no measurable performance impact. ESET’s Gamer Mode blocked all popups without any interruption. We also tested how quickly each product restored full protection after gaming sessions ended ??all top performers resumed monitoring within 5 seconds. Read our detailed analysis of each product’s gaming performance, including specific FPS measurements and memory usage graphs, to find the perfect balance of protection and performance for your gaming rig.