Dual-channel soldered RAM is faster than single-channel socketed.

Yes, assuming the same total capacity and speed. Dual-channel mode doubles the memory bandwidth, which matters for CPU-intensive tasks like gaming, video editing, or running multiple heavy applications at once. Single-channel (even socketed) will leave performance on the table in those scenarios.

But here’s the thing: soldered RAM is usually not upgradeable. You get whatever is on the motherboard. Socketed RAM, even if configured as single-channel, can later be upgraded to dual-channel by adding a matching stick. That future flexibility often outweighs the immediate speed difference. Most people won’t notice the gap in day-to-day web browsing or office work anyway.

If you’re buying a laptop and have a choice: prioritize dual-channel soldered only if you’re confident 8GB or 16GB is enough for the life of the machine. Otherwise, take the socketed option and plan to add a second stick later.