InterstellarAlex
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Hello all, I am wondering for the Arctic Liquid Freezer ii 360 vs 420 how it would perform on high wattage CPU's like 13700k, 13900k and above that can run wattages from 250w-300w and over. The general consensus is that the difference between the two is very marginal but these rest only show 200w or over such as Gamers Nexus on AIO review videos only testing up to 200w. I guess I am wondering if the performance increase and temp drop may show to be much more significant once you begin to reach high wattages. Let's assume optimal conditions like a good airflow case and fans, thermalright1700 bracket, and a good thermal paste as well.
I have looked extensively for this information and there isn't much but I would greatly appreciate for myself and others in the future.
(I may post this in hardware as well)
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B0baganoosh
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Re: Arctic Liquid Freezer ii 360 vs 420 13700k
Friday, January 12, 2024 9:17 PM
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☄ Helpfulby Cool GTX Monday, January 15, 2024 1:48 PM
I'm betting you get very similar performance for benchmarks and gaming. If you're doing prolonged heat-loading, you could benefit from the 420 because it will take longer to saturate the liquid and radiator with the increased size. The initial temperatures will be more impacted by the actual block and flow-rate, which are the same between the two models. There would likely be some temperature difference between the two in tests, but I think it will be fairly small (think 2-5°C, not 10+°C). That said, if you have room for the 420, most people do find the audible noise levels of 140mm fans to be much more pleasant than 120mm fans, so having more time before saturation, quieter (and more pleasant) operation can be worth it for some people to try and buy the bigger one, especially when for years the prices have been quite similar between the two. I did not check pricing today.
post edited by B0baganoosh - Friday, January 12, 2024 9:19 PM
6Q6CPFHPBPCU691 is a discount code anyone can use. i9 13900k - EVGA Z690 Classy - Nvidia RTX 4090 FE - G.Skill 64GB DDR5-6000CL30 - WD SN850 2TB NVMe Gen4 - Be Quiet! Straight Power 12 1200W - Be Quiet! Dark Base 900 Pro. MO-RA3 420 Pro. Dark Palimpsest MODS RIGS post for build notes.
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InterstellarAlex
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Re: Arctic Liquid Freezer ii 360 vs 420 13700k
Friday, January 12, 2024 9:47 PM
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I'm a bit newer to PC building but I guess I'm confused as to why the 420 rad may not significantly outdo the 360 at such higher wattages. Is there sort of a point to where the rad size doesn't effect the temp much? I can fit it actually although a 360 i think in my specific situation looks much more aestheticslly pleasing. I was trying to get an idea of how different performance is because I would only make an aesthetic decision if it was unnoticeable marginal, if performance is significant then I would have to pick 420.
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B0baganoosh
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Re: Arctic Liquid Freezer ii 360 vs 420 13700k
Saturday, January 13, 2024 1:10 PM
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It's all relative. There's obviously more surface area in the 420, but it takes time to get the heat from the cpu into the liquid in order for the surface area to help. So with short burst loads (gaming and benchmark tests, the main heat transmission is going from cpu to block then into the water... With the same block, paste, and liquid, the short term results are very similar.
With a long term test, you will see a larger difference in Temps because the surface area increase will slow down how long it takes to heat up all the liquid in the loop. So it really depends on what you're doing. That's why I said in gaming they'll be similar, but if you're doing some kind of heavy workload for hours, you'll definitely see a larger difference between the two rads.
6Q6CPFHPBPCU691 is a discount code anyone can use. i9 13900k - EVGA Z690 Classy - Nvidia RTX 4090 FE - G.Skill 64GB DDR5-6000CL30 - WD SN850 2TB NVMe Gen4 - Be Quiet! Straight Power 12 1200W - Be Quiet! Dark Base 900 Pro. MO-RA3 420 Pro. Dark Palimpsest MODS RIGS post for build notes.
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Cool GTX
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Re: Arctic Liquid Freezer ii 360 vs 420 13700k
Saturday, January 13, 2024 2:37 PM
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Learn your way around the EVGA Forums, Rules & limits on new accounts Ultimate Self-Starter Thread For New Members
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InterstellarAlex
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Re: Arctic Liquid Freezer ii 360 vs 420 13700k
Saturday, January 13, 2024 6:43 PM
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Hm, I wish someone has tested this scenario, how much would you expect this larger difference to be?
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InterstellarAlex
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Re: Arctic Liquid Freezer ii 360 vs 420 13700k
Saturday, January 13, 2024 6:44 PM
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I actually have done all of these suggestions and seen all these videos, contacted arctic and have asked owners, there just isn't much data on this subject if tested over 200w or 250w.
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Cool GTX
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Re: Arctic Liquid Freezer ii 360 vs 420 13700k
Saturday, January 13, 2024 6:54 PM
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☼ Best Answerby Cool GTX Monday, January 15, 2024 1:48 PM
InterstellarAlex
I actually have done all of these suggestions and seen all these videos, contacted arctic and have asked owners, there just isn't much data on this subject if tested over 200w or 250w.
Your Arctic 360 would "probably" be between the results for the Arctic 240 & 420 results found in this link. (page 3 of link below) You can see results based on selected Watts up to 340W & also base on the testing they did with slow fans VS fast fans Charts for the tests below have a user interface, where you select the Watts drawn that interest you --> Results are degree C above ambient (room temperature)
Core Temperature, Constant Thermal Load (Max Fan Speed) Core Temperature, Constant Thermal Load (Low Fan Speed)  The Arctic Cooling Liquid Freezer II 240 & 420 AIO Coolers Review: Big ... Great depth of testing & charts  Look at the results of the Arctic 240 vs the 420 to see how small the difference is at low fan speeds & how it is much bigger at low fan speeds. There are some 360 AIO from other brands. The ability to see how Watts impacts Core temperature performance, with several choices between 60W -- 340W (look under graph for choices)
Best guess .... (about) ~3C cooler with the 420 vs 360 @ 250 Watts (as the Arctic 240 that was tested, results = 4.6C higher temp than the Arctic 420)
Learn your way around the EVGA Forums, Rules & limits on new accounts Ultimate Self-Starter Thread For New Members
I am a Volunteer Moderator - not an EVGA employee
Older RIG projects RTX Project Nibbler
When someone does not use reason to reach their conclusion in the first place; you can't use reason to convince them otherwise!
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