How hot is too hot for 2019 mbp Lightroom import?

Started 2 months ago | Discussions thread
OP Chester McCheeserton Forum Member • Posts: 94
Re: How hot is too hot for 2019 mbp Lightroom import?

graybalanced wrote:

Chester McCheeserton wrote:

Fans were running I'd say medium audibly, not screaming tho.

If the fans are just at medium ,then I wouldn’t be worried about it.

The CPU usage on import is not about the import per se. It is about rendering every single raw in a row to generate previews. If you are making it generate 1:1 previews on import, then it is rendering every imported raw at full resolution. Since It does not use the GPU for this, it’s all on the CPU, so the CPUs work extra hard to get it done.

If you used the embedded previews option for instance, it would not need nearly as much CPU or get as hot. Instead of generating previews, it would just use the previews that came from the camera and only regenerate on demand the images you view in Develop.

Reviews I have seen are positive about the cooling abilities of the 2019 16” MacBook Pro so I don’t think it would overheat or throttle unnecessarily. It is seen as a major improvement over the last generations of the 15” MBP, which where widely criticized for poor cooling that held performance back.

Just seeing this now, Thanks, Yes I am rendering 1:1 previews on import, rather get it out of the way and have the speed later when I'm going through LR.

I was just concerned that the machine seemed almost too hot to touch with my hand yet the fans were just on medium, was thinking maybe I adjusted the temp settings/fan speed in my early attempts to make the machine run quieter based on some forum post, but no one here yet seems to be saying the temps I posted were cause for alarm.

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