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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/13-4-19/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.
Li Ken-un Since this is P-core-only, Intel could enable AVX-512 on these chips now, right? Right? Reply
PEnns "All of this was made possible by kryptonfly 's efforts, who was able to patch the setup BIOS, injecting code that forced it to recognize the Core 9 273QPE. Since this is a unique 12-core CPU, featuring all 12 P-cores with Hyperthreading and no E-cores like other Raptor Lake chips, the Z790 BIOS wasn't directly compatible with it. Bartlett Lake CPUs feature only (Raptor Cove) P-cores a nd aren't designed for consumer setups." Why not put this disclaimer right at the top next to the click-bait title?? Reply
usertests PEnns said: Why not put this disclaimer right at the top next to the click-bait title?? Title contains "OEM-only Bartlett Lake CPU modded to run on consumer Z790 motherboard". I think you're nitpicking on this one. Reply
wussupi83 I wish I had time to tinker with these chips and board. This sounds like a lot of fun. Reply
bit_user It is fun to see all the enthusiasm around this, whereas the product might've been met with a lackluster reception (i.e. for being too power-hungry and not generally faster than Raptor Lake), if it had gotten a standard retail launch. Reply
usertests bit_user said: It is fun to see all the enthusiasm around this, whereas the product might've been met with a lackluster reception (i.e. for being too power-hungry and not generally faster than Raptor Lake), if it had gotten a standard retail launch. It was the dream product for people who hate E-cores and want more than 8 P-cores for gaming. It will remain a dream. Reply
bit_user Li Ken-un said: Since this is P-core-only, Intel could enable AVX-512 on these chips now, right? Right? Theoretically, but Intel said that it had never validated AVX-512 on Alder Lake P-cores. It could be that the non-server cores have some obscure bugs in their AVX-512 implementation, which would explain why the Xeons they've released for LGA1700 don't even have it enabled, even though they shipped with all E-cores disabled. Also, I wonder if they didn't actively remove parts of it, in Raptor Lake. Given the decision not to support it on hybrid CPUs, maybe some of Raptor Lake's additional clock speed came from core changes that broke AVX-512, in those CPUs. I'm not saying you're definitely wrong – just that we can't assume Intel is merely being stubborn, here. They might not have the freedom to act that we assume they do. Reply
bit_user usertests said: It will remain a dream. I've already pointed out industrial boards that officially advertise support for it. If you can find the CPU (as some apparently can) and don't mind using a motherboard with a minimal feature set, then you could use one stably and on a supported platform. Reply
usertests bit_user said: I've already pointed out industrial boards that officially advertise support for it. If you can find the CPU (as some apparently can) and don't mind using a motherboard with a minimal feature set, then you could use one stably and on a supported platform. To put it another way, Bartlett Lake means very little for the consumer/DIY markets even if someone can buy it and get it running. It's just not going to get used in many personal computers. It's a day late and a dollar short. It did not live up to the enthusiasm that was drummed up by leaks far in advance of it appearing. BTW, back in June 2025, the 6-core Intel Core 5 120F was identified as a supposedly Bartlett Lake derived consumer part, even if an uninteresting one, but later reporting revised that to an even more boring Alder Lake-based refresh of the i5-12400F. Reply
thestryker Li Ken-un said: Since this is P-core-only, Intel could enable AVX-512 on these chips now, right? Right? If it was as simple as that it definitely would have been enabled for the RPL Xeon E SKUs. While we know there are Raptor Cove cores with functional AVX512 I suspect they never validated functionality in the client design (or it just didn't work). Since Intel didn't change the Raptor Cove P-core design from RPL for BTL AVX512 was never going to be enabled. Reply
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Reference reading
- https://www.tomshardware.com/pc-components/cpus/SPONSORED_LINK_URL
- https://www.tomshardware.com/pc-components/cpus/intels-oem-only-bartlett-lake-cpu-modded-to-run-on-consumer-z790-motherboard-beats-amds-ryzen-9-9900x3d-in-cinebench-multi-core-test-core-9-273qpe-has-12-cores-24-threads-and-hits-5-4ghz#main
- https://www.tomshardware.com
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