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posted by martyb on Thursday November 04 2021, @08:45PM   Printer-friendly
from the hot-and-toasty dept.

Intel's Alder Lake big.LITTLE CPU design, tested: It's a barn burner:

After spending several days with Intel's newest consumer CPU designs, we have some surprising news: they're faster than AMD's latest Ryzens on both single-threaded and most multithreaded benchmarks.

We suspect this will be especially surprising to some, since Intel's newest desktop CPUs feature a hybrid "big.little[sic]" design similar to those found in ARM CPUs. AMD's flagship Ryzen 9 5950x is a traditional 16 core, 32 thread design, with all cores being "big" high-performance types with symmetric multithreading (SMT, also known as "hyperthreading"). By contrast, the i9-12900K offers 16 cores and only 24 threads—with eight "performance" cores featuring SMT and eight lower-performance "efficiency" cores with no SMT.

As pointed out in the Ars Technica comments, the Cinebench multi-threaded benchmark saw Intel's best CPU with a less than 2.5% lead, but the caption reads "Intel trounces AMD". While the Passmark multi-threaded benchmark saw AMD's best CPU with a more than 18% lead, but the caption reads "outperform i9-12900k-but even here, by a much, much, lower margin than we're accustomed to seeing".

Also at Phoronix, AnandTech, and Tom's Hardware.

See also: More Linux Performance Benchmark Data For Alder Lake, Comparison Data Points
Intel UHD Graphics 770 / Alder Lake GT1 Linux Graphics Performance

Previously: Intel Alder Lake CPUs Launch November 4th, with Up to 8 Big and 8 Small Cores


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  • (Score: 2) by mhajicek on Friday November 05 2021, @12:04AM (1 child)

    by mhajicek (51) Subscriber Badge on Friday November 05 2021, @12:04AM (#1193512)

    That's fine for you, but then you probably don't want a "performance" chip. Every extra minute I'm waiting for my computer to process toolpaths costs me money. I need about four to six blazing fast cores, with tons of cache, and I don't care if it pulls 1500 watts.

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  • (Score: 3, Informative) by JoeMerchant on Friday November 05 2021, @01:58AM

    by JoeMerchant (3937) on Friday November 05 2021, @01:58AM (#1193551)

    If you use that computer to process toolpaths all day long, then that's legit. If you process toolpaths 10% of the time and surf the web, e-mail, and leave it idle the other 90% of the time, the 1500W cores really should be shutdown and a 1.5W phone mobile chip should step up and do that lightweight work.

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