ddr3 vs ddr4 for gaming laptop

[dea2k]

How much faster is ddr4 RAM compared to ddr3 in gaming laptops?

 

[SpyderTracks]

Just over 500mhz, quite a significant amount.

Plus about 500mbs more throughput.

http://www.corsair.com/en-gb/blog/2015/november/ddr3-vs-ddr4

 

[Oussebon]

Although for the sake of balance: http://www.hardwarecanucks.com/foru...-intel-skylake-ddr3-vs-ddr4-comparison-5.html