Consider the benefits of moving to DDR4 and compare performance gains against the cost of the upgrade.
Consider the benefits of moving to DDR4 and compare performance gains against the cost of the upgrade.
It depends on the price; if you can find a reasonably priced used option.
Nobody knows except you. Are you close to max. RAM size when using your laptop? If so an upgrade could be helpful when you need more RAM. If not, no point in upgrading
Typically laptops are limited to one memory type. If you have DDR3 installed, adding DDR4 is unlikely. The motherboard decides whether to use DDR4, DDR3L, or soldered LPDDR3, making it fixed. You’ll need to confirm your setup—likely 8 GB DDR3 or DDR4 soldered—and check the available slots using tools like Aida64 or CPU-Z.
Always verify your laptop's specifications to avoid compatibility issues.