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X220 is my primary computer. It never uses more than 4 of the 16GB RAM. I ran the fan almost all the time at full speed tough. The killer app (in a bad sense) i

X220 is my primary computer. It never uses more than 4 of the 16GB RAM. I ran the fan almost all the time at full speed tough. The killer app (in a bad sense) is Zoom. It kills the CPU and can't handle virtual backgrounds.

da39a3ee 5y ago
How much RAM is used is determined by you pattern of application usage (and OS), not by your choice of computer.
- marianov 5y ago
  I know. I just wanted to emphasize on Zoom being the only thing that makes an otherwise perfect computer not powerful enough (for me of course).