I'm running a Core i5-12400F, an RTX 5060 Ti 16GB, and one 32GB DDR4 memory stick. I've heard that using a single stick forces the system into single-channel mode, cutting memory bandwidth and potentially hurting average FPS and 1% lows. In Elden Ring, my frame rate sometimes falls from a capped 60 FPS to around 30 during scenes with lots of effects. Could the single-channel RAM be the main cause, or should I look at other hardware and settings too?
3 Answers
Dual-channel RAM could improve your minimum FPS and smoothness, but don’t assume it alone explains every severe drop. Monitor GPU usage, CPU usage, temperatures, VRAM, and RAM usage while the stutter happens. If GPU usage is near 100%, lower demanding graphics settings; if one or more CPU cores are maxed while GPU usage falls, the memory configuration may be contributing.
It’s definitely not an ideal configuration, but the exact impact depends on the RAM’s speed and timings, your motherboard, and whether the game is CPU-limited. If a 2x16GB kit is cheaper than buying another 32GB module, that’s generally the better value since 32GB is already plenty for gaming. Check your motherboard’s supported DDR4 speeds and enable the appropriate memory profile in firmware.
Yes, one stick runs in single-channel mode, so memory bandwidth is roughly half of what you’d get from two matching sticks. That can reduce performance and make frame-time dips more noticeable, especially in CPU- or memory-limited games. However, it probably isn’t the only possible cause of drops to 30 FPS. Elden Ring can still stutter because of game settings, shader compilation, CPU load, thermals, or background processes. Moving to a matched 2x16GB kit is usually the sensible upgrade; adding another 32GB stick can also work if it matches well and your motherboard supports it.
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