Monday, February 2nd 2026

Intel's Core Ultra 9 290K Plus Shows 10% Performance Boost Over Core Ultra 9 285K

Intel's next desktop "Arrow Lake Refresh" CPU upgrade is inching closer to reality. The Core Ultra 9 290K Plus has been spotted in a new Geekbench run, adding to the evidence that the "Arrow Lake Refresh" will indeed offer a meaningful performance improvements over its predecessors. The test system used an ASUS ROG Strix Z890-E Gaming Wi-Fi board with 64 GB of DDR5-6800 memory. The processor achieved scores of 3,535 in the single-core test and 25,106 in the multicore test. Compared to the Core Ultra 9 285K's typical scores of around 3,200 and 22,560, this represents improvements of approximately 10.5% and 11.3%, respectively. These results place the 290K Plus at the top of Intel's consumer CPU rankings in Geekbench's database. An earlier leak on different hardware showed slightly lower results, suggesting that this newer test run benefits from better optimization rather than just faster memory.

The 290K Plus SKU keeps the same 24-core layout as its predecessor with 8 P-Cores and 16 E-Cores, plus identical power limits of PL1 of 125 W and PL2 of 250 W. The gains come from higher clock speeds. According to rumors, the efficiency cores now boost to 4.8 GHz, up 200 MHz, while the performance cores get an extra 100 MHz on both turbo and thermal velocity boost. The benchmark registered the chip running at 5.7 GHz during testing. Intel has confirmed the ARLR is coming but has stayed quiet on specific models and dates. Leaks suggest a March or April release, and since these chips use the same LGA 1851 socket, they should work as drop-in upgrades for current Z890 motherboards. As with any pre-release numbers, may not reflect final CPU performance, so final performance data and gaming results that come from third-party reviews will show the real-world situation.
Sources: Geekbench v6, via VideoCardz
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32 Comments on Intel's Core Ultra 9 290K Plus Shows 10% Performance Boost Over Core Ultra 9 285K

#26
MondoMike
NhonhoIntel and AMD need to place the memory controller (IMC) on the same die as the x86 cores to get the lowest possible RAM access latency. When they are on separate dies, RAM access latency increases significantly, requiring them to include a large amount of cache memory (SRAM) in the CPU to mitigate the high latencies, which greatly increases the chip's area (in mm²) and the manufacturing cost. They are well aware of this; I don't understand why they don't do it.

If the x86 cores and the memory controller were on the same die, made with the most advanced lithography available, the memory controller would heat up less and the CPU would likely support higher clock speed RAM more easily.

What should be placed on the same die as the x86 cores:
- PCIe controller
- Memory controller
- iGPU (RDNA5!)

All other components could be placed on a separate die, made with cheaper lithography.

Ignoring what consumers want is a sure way to lose sales and market share. Intel did this for many years and is now reaping what it sowed.
I'm no Hardware Engineer far from it really but if what you said improves performance and most importantly to them manufacturing costs are reduced there is no chance they haven't thought of it, either it's not that easy or it doesn't improve performance and reduce manufacturing costs... What reason would they have to not implement this if it's doable, increases performance and reduces price? If neither are doing it to get an edge on the other it's not as easy or provide what you mentioned.

I mean I "downgraded" from a 9800x3d to a 265kf when my PC is primarily used for gaming simply because I saved over $350 and the 9% average FPS and 5% better 1% lows wasn't worth the extra money when it only applied to CPU demanding games. I'm certainly a special case because I got the 265kf for $210 and Z890 Aorus Elite Wifi7 for $130 BNIB from Amazon and Jawa, mid last year when people were dogging Intel and I capitalized. One of my best PC purchasing decisions to date. I'm able to overclock decently and able to push my 6400 cl32 ram to 8000 cl38 stable instead of 6000cl28(cl26 and 6400cl28 wasn't stable) which helped bridge the gap.

You do realize Intel LISTENED to the consumer this time around right? EVERYONE including Youtubers and reviewers were complaining about efficiencies and what did they do? Made highly efficient CPUs that have similar performance to last gen and they got shit on by the people wanting the efficiency because their gains weren't great. Zen 5 also didn't have meaningful gains only the 9800x3d. I personally could care less about efficiency while everyone else was complaining but I turn off my PC at night and don't use it under full load all day.
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#27
chrcoluk
Another pointless chip, dont release something until it is significantly better than the previous model.
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#28
AleXXX666
chrcolukAnother pointless chip, dont release something until it is significantly better than the previous model.
these is how "marketing" works. We have some time for R&D but customers require "new" stuff constantly. Just because it is how people brain works: "newer"="should be" better. Also, very few amount of people will buy "slightly older" model because newer is "only a little better". Most wants NEW. I know iPhone 16 is very marginally better than iPhone 15 but hey I'm gonna replace my old 7 why the hell I should get "older" one when there is "new" available? (mine examples too a lot of like that lol) Same with PC stuff. Yea I know there is 285K but hey they just released 290K! Damn I must build with latest&"greatest" lol:D
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#29
Hecate91
AleXXX666team red is another BS they give you that "longterm" socket and then some cheaper mobos don't have "BIOS/UEFI update without CPU" lol
That happened once with AM4. AMD even lent out CPU's for free to update the UEFI.

On topic this ultra 200 refresh makes no sense due to the price of RAM, a 290K being 10% faster is pointless, also because Intel is changing sockets with Nova Lake.
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#31
AleXXX666
Hecate91That happened once with AM4. AMD even lent out CPU's for free to update the UEFI.
well, "for free" probably is "region-close" solution, I doubt they have sent them to Europe for example. At least shops hadn't offered, instead "their service" for small $$$.
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#32
Nhonho
MondoMikeI'm no Hardware Engineer far from it really but if what you said improves performance and most importantly to them manufacturing costs are reduced there is no chance they haven't thought of it, either it's not that easy or it doesn't improve performance and reduce manufacturing costs... What reason would they have to not implement this if it's doable, increases performance and reduces price? If neither are doing it to get an edge on the other it's not as easy or provide what you mentioned.
x86 CPUs are designed for server use (which is where they make the most money) and then have some features disabled for home consumer use.
Unfortunately, home consumers are not the priority for Intel and AMD.
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