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Thread started 06 Dec 2017 (Wednesday) 16:53
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What Specs Needed for LR and PS?

 
SYS
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Dec 06, 2017 16:53 |  #1

During the Black Friday sales, I purchased a 13" Dell XPS (for best travel solution for me) with what I thought was enough specs to handle LR and PS editing on the go. Brought the laptop to San Diego, my first trip with it, and just went through the first series of editing, and I noticed that there's quite a disconcerting lag during PS editing. I thought the following specs would do the job without having to experiencing the lag?

8th Gen Intel® Core i7-8550U Processor 1.8GHz
16GB LPDDR3 1866MHz RAM
512GB PCIe Solid Drive Drive
InfinityEdge QHD+ (3200 x 1800) Display
Integrated Graphics

What's causing the lag, and is there anything I can do about it without having to move up to 15" with higher specs?



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k9trainer
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Dec 07, 2017 03:08 |  #2

I’m trying an HP Spectre with the same specs, I get the same lag in Lightroom.

I am also testing out the Dell XPS15 9560 with i7 seventh gen quad core, 32gigs ram and 1TB SSD. It’s better.

I have a MacBook Pro being delivered this week 15 in 2.9 512ssd to compare before I decide which one to keep.
I have a feeling the 8th gen i7 8550u is under powered.


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craig_k
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Dec 07, 2017 09:36 |  #3

article on suggested specs, and a link to adobe for their minimum specs required

https://www.lightroomq​ueen.com …rmance-computer-hardware/ (external link)


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SYS
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Dec 08, 2017 16:11 |  #4

k9trainer wrote in post #18512458 (external link)
I’m trying an HP Spectre with the same specs, I get the same lag in Lightroom.

I am also testing out the Dell XPS15 9560 with i7 seventh gen quad core, 32gigs ram and 1TB SSD. It’s better.

I have a MacBook Pro being delivered this week 15 in 2.9 512ssd to compare before I decide which one to keep.
I have a feeling the 8th gen i7 8550u is under powered.


Let us know which one you end up keeping.



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SYS
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Dec 08, 2017 16:19 |  #5

Dell XPS 13 comes with an integrated graphics, and I'm wondering whether the HP Envy 13 with almost identical specs but comes with a dedicated NVIDIA GeForce MX150 with 2GB GDDRS graphics card would help with the PS editing lagging issue? Exchanging the XPS 13 for HP Envy 13 isn't a problem.



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Dec 09, 2017 10:31 |  #6

You need CLOCK SPEED, not multiple cores -- multiple cores is of benefit primarily when you have multiple applications running at the same time.


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Dec 09, 2017 10:48 as a reply to  @ Wilt's post |  #7

Or, if you're doing video rendering or 3D rendering: then multiple cores are also a benefit. The turboboost speed is supposed to reach up to 3.7GHz on this processor....but it may not be fully utilized. The main difference with these new Gen 8 processors is that they are supposed to consume less power (better battery life, less heat), at the expense of base clock speed. The i7 7550U was dual core with higher base speed. There were fewer quad core mobile i7 Gen 7 processors, but they had a higher clock speed. Computer brands also dial down or even disable turboboost to keep the power consumption low. In the Which Ultrabook/ small laptop for editing large RAW files? thread, I've been including suggestions on how to improve PS performance and check your CPU settings.


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Post edited 7 months ago by -dave-m-.
     
Dec 09, 2017 18:25 |  #8

For photo editing single core cpu performance is most important, gpu usage is low and in some cases enabling gpu in Lr can actually hinder performance. Also take into account, mobile cpu's perform lower compared to a desktop cpu. For instance, a mobile 8th gen Intel cpu at 3 GHz will perform lower compared to a desktop 8th gen Intel cpu at 3 GHz.


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MikeG50
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Dec 14, 2017 22:47 as a reply to  @ Wilt's post |  #9

So, how long have we been stuck with the same maximum clock speeds? Answer: A LONG time. All the improvements in CPUs have been in additional cores and NOT in clock speed. It seems like we are stuck in the dark ages. I'm sick of waiting for LR to edit and export my RAW files. But, not only is lack of progress in CPUs to blame, but especially so is Adobe. Why cant you be editing the next photo while LR is exporting the previous edit? You would only need 2 cores (I think, and I'm not a computer expert).




  
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What Specs Needed for LR and PS?
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