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DDR5 really only matters if you're doing heavy workloads like video editing, 3D rendering, or running tons of virtual machines at once. The speed bump is real but your actual bottleneck in most laptops is the GPU or CPU, not the RAM bandwidth. One thing people gloss over though: DDR5 laptops tend to cost a fair bit more, and you're locked into newer hardware that might have other reliability unknowns. If you're just upgrading for general use, sticking with DDR4 and putting that money toward a better processor or SSD will give you way more bang for your buck.
Whether DDR5 is worth it depends on what you're actually doing with the laptop. For most everyday stuff - browsing, email, Office work, streaming - DDR5 won't make any noticeable difference. DDR4 is still perfectly fine for those tasks. The real question is whether your workload hits memory bandwidth limits, which honestly doesn't happen much outside of specific scenarios like video editing with massive timelines, 3D rendering, or heavy data analysis work.
If you're gaming or doing light creative work, DDR5 shows modest improvements in some situations but nothing dramatic enough to justify buying a whole new machine just for the RAM. The gains are maybe 5-15% in the best cases, and often you won't see anything at all. Where DDR5 makes more sense is if you're already in the market for a new laptop anyway and the DDR5 model is only slightly more expensive - then sure, grab it since you're stuck with whatever RAM you buy.
What's your actual use case? Are you upgrading an existing DDR4 machine or shopping for something new? That changes the answer pretty significantly.
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