upgrade ssd & ram on a i3 6100 CPU laptop

or2077

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Sep 21, 2017
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Hey,
so my mother's Dell Vostro 5459 laptop is very, very slow (it was never a very fast computer to begin with), i tried formatting it, no significant improvement...
the specs are:
i3 6100U,
4GB DDR3L-1600,
500GB 5400RPM sata 3 2.5" hard drive

i saw that there is only one bay for the RAM (replaceable), and the max capacity is 8gb

i was thinking about upgrading to a ssd, and 8gb RAM:
https://www.samsung.com/uk/memory-storage/850-evo-sata-3-2-5-inch-ssd/MZ-75E500BEU/
https://www.amazon.com/Kingston-Technology-1600MHz-PC3-12800-KVR16LS11/dp/B00CQ35HBQ

my question is, is that CPU worth upgrading? is it the bottleneck?

thanks, and sorry for my bad english