Hassam Nasir is a die-hard hardware enthusiast with years of experience as a tech editor and writer, focusing on detailed CPU comparisons and general hardware news. When he\u2019s not working, you\u2019ll find him bending tubes for his ever-evolving custom water-loop gaming rig or benchmarking the latest CPUs and GPUs just for fun. ","collapsible":{"enabled":true,"maxHeight":250,"readMoreText":"Read more","readLessText":"Read less"}}), "https://slice.vanilla.futurecdn.net/13-4-24/js/authorBio.js"); } else { console.error('%c FTE ','background: #9306F9; color: #ffffff','no lazy slice hydration function available'); } Hassam Nasir Social Links Navigation Contributing Writer Hassam Nasir is a die-hard hardware enthusiast with years of experience as a tech editor and writer, focusing on detailed CPU comparisons and general hardware news. When he’s not working, you’ll find him bending tubes for his ever-evolving custom water-loop gaming rig or benchmarking the latest CPUs and GPUs just for fun.
bit_user The article said: the base power for the Z990 PCH is just 7.9W — still 1.9W more than the 6W base power of Z890. That's not ideal, but still better than AMD's recent chipsets. Does anyone know what manufacturing node they're made on? Reply
thestryker bit_user said: Does anyone know what manufacturing node they're made on? I've never seen anything mentioned other than 14nm with relation to Z690-Z890. It's hard to say whether or not there was any node shrink here, but I'd lean towards probably not. I could potentially see PCIe 5.0 signal integrity costing more power even though the lane count is halved. The base power figure also seems to include bt/wifi which the prior did not. It's hard to gauge whether or not these would be enough to push the base power up despite less connectivity being counted in the figure. Reply
endocine Promontory 21 uses 7W max, 2 on a X870E for 14W at 105C tjmax, intels new chipset is definitely hotter and more power hungry, and the trend towards hotter and more power is not good Reply
bit_user endocine said: Promontory 21 uses 7W max, 2 on a X870E for 14W at 105C tjmax, Okay, I don't have evidence to the contrary, but was disappointed to see my 9600X idle at 45W to 50W (at the wall) on a B650M board with only iGPU graphics. The only fan was the CPU fan. 2x sticks of DDR5-6000 (otherwise, JEDEC timings). One PCIe 4.0 SSD. PSU was 750W 80+ Titanium efficiency. Reply
Li Ken-un bit_user said: PSU was 750W 80+ Titanium efficiency A fellow efficiency connoisseur 🙂 Reply
bit_user Li Ken-un said: A fellow efficiency connoisseur 🙂 Ugh, but that story didn't end well. https://forums.tomshardware.com/threads/random-shutdowns-when-idle-is-it-the-motherboard-or-the-psu.3893563/ Note that the above thread references a different system. I had moved the PSU from my Ryzen box, because I planned to put a dGPU in the 9600X machine and so I equipped it with a 1000W PSU I also had. Reply
Skramblr I'm wondering why this is a big deal? If you are a power user and fill up all the PCIe lanes and max them out, your probably a >1000W computer user and wouldn't care about a 7W increase on a chipset. You NEED that performance. If you build a basic PC with one drive and a video card, you're likely back down to normal power levels. Its not like this Intel chipset exceeds the power levels seen with AMD? Reply
bit_user Skramblr said: If you build a basic PC with one drive and a video card, you're likely back down to normal power levels. The article said that Z990 uses 31.7% more power than Z890, at idle. Reply
thestryker bit_user said: Okay, I don't have evidence to the contrary, but was disappointed to see my 9600X idle at 45W to 50W (at the wall) on a B650M board with only iGPU graphics. TPU's last testing that included an APU showed the 8500G at 14W lower total system idle power than the next closest AM5 (9600X). That would point towards the IO die being the source even though it's not apples to apples exactly. There are more lanes on the 9600X which would mean 16 instead of 8 and PCIe 5.0 vs 4.0 but when idle that is usually dropped to minimum. That being said I cannot find a single official source for Promontory 21 power consumption. All of the 7W mentions I saw went back to a singular leak though it does seem like a reasonable figure. Reply
thestryker Skramblr said: I'm wondering why this is a big deal? If you are a power user and fill up all the PCIe lanes and max them out, your probably a >1000W computer user and wouldn't care about a 7W increase on a chipset. You NEED that performance. If you build a basic PC with one drive and a video card, you're likely back down to normal power levels. Its not like this Intel chipset exceeds the power levels seen with AMD? While they're not huge numbers a lot of us like running things efficiently for whatever the circumstance is. Intel's power consumption does seem to be increasing across the board from base to load. Now it's entirely possible that base for chipsets means the same thing as processor which is an in use not idle measurement, but without official information one can't say until it's tested. Reply
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- https://www.tomshardware.com/pc-components/chipsets/SPONSORED_LINK_URL
- https://www.tomshardware.com/pc-components/chipsets/intels-upcoming-z790-and-z990-flagship-chipsets-will-reportedly-consume-up-to-14w-at-peak-load-courtesy-of-more-pcie-5-0-support-nova-lake-motherboards-may-feature-a-22-percent-smaller-pch-than-z890#main
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