High RAM Usage on Docker Desktop: Why I Switched to OrbStack

Table of Contents
At some point, you stop blaming Chrome.
And start blaming Docker Desktop.
When Docker Became the Problem #
For a long time, I thought the lag was normal.
A few containers running, a browser with some tabs, an IDE — sounds reasonable, right?
Except Docker Desktop was quietly using 1.5–2 GB of RAM, even when nothing important was happening.
No heavy builds.
No active containers.
Just… idle.
That was the moment I realized Docker itself wasn’t the issue — Docker Desktop was.
Docker Desktop on macOS Comes with a Cost #
Docker Desktop works. It’s reliable and widely used.
But on macOS, it brings unavoidable overhead:
- A full virtual machine running in the background
- Multiple helper processes you never asked for
- Memory usage that prefers going up, not down
- Fans spinning when the workload doesn’t justify it
Individually, these aren’t deal-breakers.
Together, they slowly drag down your daily workflow.
Trying OrbStack (Without Big Expectations) #
I didn’t switch because OrbStack looked fancy.
I switched because I wanted my RAM back.
The first thing I noticed wasn’t performance benchmarks — it was how quiet my system felt.
Same containers.
Same images.
Same workflow.
But:
- Lower RAM usage
- Faster container startup
- Memory actually released when containers stopped
That alone made a difference.
Why RAM Usage Matters More Than Benchmarks #
Benchmarks are fun.
Daily development comfort matters more.
With OrbStack:
- My Mac stayed responsive longer
- Switching between apps felt instant
- I could run Docker, browser, and editor without feeling punished
It wasn’t about raw speed — it was about stability over time.
The Small Wins You Notice Over Time #
After using OrbStack daily, the small things stacked up:
- Containers feel lightweight
- Logs and status are easier to inspect
- Less background noise, literally and figuratively
- Fewer moments of “why is my laptop slow again?”
Nothing revolutionary.
Just fewer distractions.
Is Docker Desktop Bad? #
No.
But for my workflow — frequent container start/stop, long idle times, and macOS memory constraints — it stopped making sense.
OrbStack fits that usage pattern better, and that’s all that matters.
Why OrbStack Works Better for Me #
This wasn’t about trying something new for the sake of it.
Docker Desktop kept taking a noticeable amount of RAM even during light workloads, and over time it started to affect how my machine felt day to day. Once I moved to OrbStack, things were simply more stable — less memory pressure and smoother multitasking.
It’s not a drastic change, just a practical one that fits my workflow better.