My experience is that better are (at least partially metal) cooling pads with a larger central fan and four small ones in the corners. It’s somehow related to the direction of blowing on the bottom of the laptop and at the same time blowing off warm air. When I didn’t have it, both the GTX and RTX got very hot on the bottom of the laptop, I wouldn’t put it on my lap. The power supply is 5 volts, it can also be from USB. The size depends on the laptop. It’s mostly almost silent. I have some “Genesis” brands, but you can find many others.
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The laptop also has cooling (i.e. internal), but in my experience it is not quite enough for the GPU running at 85-100%. There are also some software add-ons that monitor the temperature in the laptop and if it exceeds a certain set value, they slow down the GPU. But I forgot what kind of software it is, you could probably find it using Google.
Edit: Something to give you an idea from amazon.com (I see there are also portable coolers, so it depends on where and how the laptop is used):
Amazon.com : laptop cooling pad
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@Lingyu
Update. It ran for 96 minutes and then suddenly the photo window in Photo AI changed to black, but it seemed to indicate it was finished because the UI went back to the normal state with no processing window. Hmmm. I decided to export to see what the result was. It created a 181kb TIFF (yes, kb, not mb) that was just black. Not good, Topaz.
Hi,
I am running desktop with 64 Gb of Ram, an AMD Ryzen 9 7950C processor, and a PNY Nvidia RTX 4070Ti GPU that I believe has 12 Gb of RAM on it.
I use photoshop via subscription, version 25 at present. My main untersts there are as a hobbyist photographer. I shoot with a Canon EOS R5. The 45 MP sensor produces some fairly large files.
I do 95% of my RAW conversions using DXO photolab due to its really incredible NR it offers. Prior to this computer, a conversion using the highest NR setting took nearly 4 minutes per image. With this computer, it takes 6 seconds.
I do use some of the Ai features within photoshop such as generative fill when needing to expand the canvas, or Ai to help rmeove objects and so forth. The speed is instant.
I have used various Topaz products for a while now and have enjoyed the sharpen routines affords by Photo Ai. I did not renew my plan this year and remain on version 3.2.0. When I started seeing the various posts saying how slow the newest features were, folowed by comments regarding system crashes, I decided NOW was not the right time to pay for the upgrade. I dislike paying to beta test software and I equally dislike crashes. The very slow rendering time for their newest sharpening algorithm , for me, make sit unusable. That said, I do not know how long this computer would take.
THe GPU has been incredible from my persective. I have a 10 bit monitor and using the Nvidia card to output in 10 bit. The card/drivers have been super stable and the output very crisp. Anything higher up than what I now have would likely be overkill for the software I am using. Photoshop, Topaz, DXO and Nik are the products I use the most. I will use Adobe’s ACr as a filter.
I hope this helps in some way! John
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That’s great info. Thx for taking the time to share it! Very helpful.
Topaz products with AI are popular with felines. The alternative is Topaz Girl. With Topaz AI, there is no question of this, it cannot be influenced, the AI is unyielding. 
If you primarily use it for Photoshop or TPAI, a 4070 Laptop is sufficient.
However, if you intend to perform AI image generation on your computer, you may find 8 GB of VRAM somewhat limiting. As AI image generation models grow in size, they demand more VRAM for processing.
With 8 GB of VRAM, fitting a full-size model may be challenging; you might have to resort to a reduced-size model, sacrificing some quality.
If you start running some complicated workflows, you may encounter ‘out of memory’ (OOM) errors frequently, which can be quite annoying.
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Thx. I’ve been told (by various companies - including Adobe) I should be running at least 16GB VRAM for the types of processing I perform and want my computer to handle.
I will use the new laptop for Ps beta, Substance 3D betas, Boris FX effects. And, some Topaz as plugin to the Ps beta. I’d like to kick the tires with some of the Adobe beta features but will not put on same system as my “lifeblood” public/commercial apps releases.
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My sense was that the NVIDIA 4070 wouldn’t support 16GB VRAM… I may be wrong.
I would like to think that the software should chase the hardware (ie, take full advantage of it) rather than the hardware chase the software (throwing more metal at inefficient software to compensate).
I was just checking the specs of the PCs I access for my Gigapixel fix. These would cost several grand I bet (24-core 13th gen Intel i9, 128 GB RAM, NVIDIA 4090 with Adapter RAM 1,048,576 bytes, whatever that means).
My point is, even these Dell 3660 beasts require a bit of patience to bang out Redefines at high Creativity (thankfully batch processing has been 100% stable so I can crunch scores at a time).
Users are saying the current Topaz apps are not using much RAM or GPU, so we need to keep encouraging the devs to sort that out. I would love to do this high-level AI work locally on my M2 Mac but it’s a non-starter. People should not have to buy supercomputers to make some artsy ;-).
PS: This is how I look when I’m off to another rendering session! (Image was Recovered in GPAI.)
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BUG
if i select all
and set eg “Fix Compression” to zero
it is not set to all images !
i must do it for every single image… so were are an option that all images proceed with the same condition?
Don’t know about laptop GPU’s but the desktop version of the 4070/4070TI only carries 12GB from what I can gather having “casually” researched the subject a bit recently (that’s you @plugsnpixels and your borrowed 4090’s fault making me realize my rather slow amd rx6700 won’t come anywhere near decent rendering times 
) If however stepping up a bit to the 4070TI Super you get 16GB.
I’m actually glad this conversation has come up even though it seems to be talking primarily about laptops.
I was kind of talked into going for AMD back when I got my current GPU, and was looking at upgrading to the 7900 or 7900GRE up until quite recently when further reading told me that there is still quite a difference between AMD & Nvidia when it comes to Topaz. Don’t know how much of that is true but I have searched the forums and I find very few (or none at all) posts from the people making PAI & GAI giving their advice, and the system requirements page kind of falls a bit short with that regard as it only talk about what you need to actually run the software.
I’m currently hoping for a good deal on a 4080 Super (the 4090 is so far beyond what I’m prepared to pay) and also contemplating a 4070TI Super, but when there’s “only” a 200€ difference between the 4070TI Super and the 4080 Super (from 850€ to 1050€)… It’s still a lot of money, but I feel the more expensive option might last me a bit longer. The 4090 on the other hand almost doubles the price.
Then someone told me he read that the 50-series might get more expensive (contrary to what was initially speculated) than the 40-series which may affect current prices as well.
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In Photoshop it is possible to paint an extra area outside of the area which is marked to be removed.
This extra area will then be used to fill the removed area (Content-Aware Fill).
This would be a useful addition to the Remove operation in Photo AI.
I think the Nvidia GeForce RTX 4070 only has 8 GB. If I’m not mistaken, the 4080 has 12 GB and the 4090 has 16 GB (dedicated memory). Perhaps for a vague orientation: A laptop with 4090 from Gigabyte (I don’t know it personally) is at the URL below. Paying £ 3250 (approx. US$ 4100) for a laptop would definitely not be for me, both in terms of use (I’m not a gamer) and financial – I’m just an average photo hobbyist. And the U.K. is not my country and £ is not my currency.
I don’t know why it puts something like an advertisement there with that URL, I have nothing to do with it, I do not say “buy it” or “don’t buy it”:
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The discussion above had me curious about GPU specs. I have an older desktop sporting a 8 GB RTX 2070 Super and have not had any real trouble running the Topaz products (so far…). What I found interesting was that it has a 256 bit bus, so the bandwidth is 460 GB/s. Much better than the laptops, and only 9 percent less than the two generation newer desktop 4070.
I reverted to v3.3.1 on both machines and “apply current setting to all” correctly applies my current settings across all images, including RAW Denoise. Starting in v3.3.2 any customizations to RAW Denoise will not apply when selecting all images and applying current settings to all images. This has nothing to do with VRAM. Something changed.
any plans to swap it more on GPU?
my RTX4060 has nearly nothing to do (1GB VRAM) and some spikes on the GPU
CPU 8/16 Core ~50%
why not 4 images procced same time?
ah
“apply current settings to selection”
