ASUS Zephyrus Duo 15 Uses Liquid Metal! How Hot Is It?
With this high end, hardware inside i've got the highest specs available, so we should be looking at a worst case in terms of temperatures here. Air comes in through the large vents underneath, as well as through the vents which are placed behind the bottom screen. The lower screen opens up when you open the lid of the machine, and this unique feature is key for pulling in more cool air. The bottom feeds seem to raise the back up a little higher compared to most others, i've tested, which should also help with airflow air, is then exhausted from the vents on the left and right sides and from the vents on the back. There are a couple of fans inside with heat pipes shared between the cpu and gpu and asus are using liquid metal on the cpu in this model, the armory crate software lets you select between different performance modes, which, from lowest to highest, are silent, performance and turbo Modes, however, there is also manual mode which is required if you want to set the fans to maximum speed, and it also applies a gpu overclock too anytime, i've tested in manual mode i'm using full fan speed. But this is also where you would customize the fans by default, there was no undervolting applied the opposite. In fact, i actually found a positive value applied as i've got an unlocked k processor here i can undervolt. However, i'm not sure if this is the case with the i7 model, although the rtx 2080 super is max q it's using nvidia's new dynamic boost, which means the power limit can boost higher depending on.
If there is power available, thermals were tested with a 21 degree celsius, ambient room temperature idle results down. The bottom were okay, worst case stress tests were done with the ada64 cpu stress test, with cpu only checked and the heaven benchmark at max settings. At the same time, while gaming was tested with watchdogs too, as i find it to use a good combination of processor and graphics overall, the temperatures were quite impressive. Even under these heavy loads, i was only seeing thermal throttling on the cpu at 95 degrees. If i manually boost the power limit in intel xtu, so this is not default. Behavior in the default modes, turbo mode runs a bit warmer than the lower silent and performance modes, while manual mode calls a bit further as manual lets. You set fan, speed higher and i tested manual with max fans. These are the average clock speeds while running the same tests. The gpu and the green bars saw a bit of a boost in manual mode due to the overclock, but it's, not that big of a change prior to making any manual changes in turbo or manual modes. The cpu was able to average 3.7 gigahertz across all eight cores. This is an okay result, but with some simple tweaks, we're able to boost this right up to 4.4 gigahertz, which is a much more impressive result in these heavy combined, cpu plus gpu workloads. Most of the gains seem to be due to the processor power limit being capped to 45 watts in the highest turbo or manual modes.
This would be part of why the temperatures were looking good. However, we do at least have the option of manually increasing the limit right up until thermals become the next limitation for the gpu in performance mode. It seemed to have an 80 watt cap and, although higher modes appear to limit it to 90 watts, we were actually starting to see it boost a bit higher in this game. This is still a cpu intensive game, though, in more gpu heavy tasks, the gpu could run more consistently closer to 100 watts. So it just depends on the game: slash workload when we look at how an actual game performs with these different options, there's, not that much gain by applying all the tweaks, silent mode was still giving a decent frame rate, so you can get away with playing on A quite a system, if you don't, want loud fan noise. If you want to see more gaming benchmarks from the duo, 15 check the card in the top right or link in the description where i've tested 21 games at all setting levels in a cpu. Only stress test with the gpu now idle we're able to reach much higher power levels on the processor. If you recall, with the gpu active, the cpu would not pass 45 watts prior to manual user intervention now in a cpu only load. This 45 watt limit is only seen at silent with turbo, doubling it to 90, which is great to see as many other laptops just arbitrarily cap it lower, regardless of workload being run.
This results in fair performance for an eight core processor at stock in turbo mode and manual mode, with the fans going faster, doesn't really change this, as both were hitting the 90 watt pl1 limitation, though, with some simple tweaks it's possible to get extra performance. Of course, if we make these changes, we reach the 95 degree thermal limit, i've used cinebench to show you how these different modes perform. Single core performance was unaffected, regardless of the mode in use and the multi core score was decent when we compare it against others. It'S, the best 10 980 hk result i've recorded so far, though it is still getting beaten by the far cheaper rp15 with ryzen 7 4800h. As for the external temperatures, where you'll actually be putting your hands at idle in silent mode, the keyboard was around the usual 30 degrees. I typically see with the stress tests going it warms up to around the mid 40s and felt warm, but not hot performance mode was similar. Turbo mode was also pretty similar. Then manual mode with the fans at maximum was a touch cooler. The screen above the keyboard didn't seem to heat up as there's a large gap between it and the rest of the machine. Plus there are air intakes behind it. Let'S have a listen to fan noise. Next, at idle, the fans were only just audible, with the stress tests going in silent mode it's still on the quieter side, performance mode was still quieter than most other gaming.
Laptops, turbo mode was closer to average, while max speed was starting to get loud. You'D probably want headphones. I think this is good, though it's far better, to have some user control over the fan, speed and pick the mode that you want to use, instead of being stuck one way or the other, and as we saw gaming while running quieter at the expense of some Performance is possible, should your preference be towards system volume rather than performance in silent mode with the quieter fans, though the bottom of the machine did actually feel quite hot to the touch towards the back. So you definitely want to keep it on a desk and not in your lap. In that scenario, overall, the temperatures at stock look good with the zephyrus duo 15.. However, this seems to mostly be due to the 45 watt cap on the processor when a combined, cpu and gpu workload is running. You do have the option of manually raising this. If you want more performance but for gpu heavy games, the 45 watt limit doesn't seem too bad, as outlined in my earlier video, where i tested 21 different games, it's always going to be a trade off between thermals and performance and the fact you're. Given the option to make that choice is a positive, the unique design seems to do well in helping cooling pulling air in below the second screen results in there being a large space for airflow, plus, the liquid metal on the cpu should be assisting too under vaulting.
Is possible in the unlocked hk model i've got and if you want to use a cooling pad, then that can further help improve thermals too just don't expect a performance gain unless you boost the power levels as thermals aren't, really a limitation until you mod it. Let me know what you thought about the thermals from the asus sephoras duo, 15 gaming laptop down in the comments and if you're new to the channel you'll definitely want to get subscribed for the upcoming full review to see everything.