How many more years will IMAC 2015 last?

Question

iMac

IMAC 27 late 2015.
Processor i5 3.3
RADEON AMD Radeon R9 M395 2048 MB
This is my first experience with a poppy, should I worry and think about upgrading in the next year or two? I'm doing front-end and now it's over my head.
Processor i5 3.3
RADEON AMD Radeon R9 M395 2048 MB

Answer 1

iMac (27-inch, Late 2012)
2.9 GHz Intel Core i5
8 GB 1600 MHz DDR3
NVIDIA GeForce GTX 660M 512 MB
is still enough. for all the time only the disk died (vertical not ssd is guaranteed to die) and the mouse (but it’s clear here)
so that’s enough for you with his head