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AMD: Windows 11 May Cause Performance Dips of Up to 15% on Ryzen CPUs
AMD: Windows 11 May Cause Performance Dips Of Up To 15% On Ryzen CPUs:
Wccftech reported a few days ago about known issues appearing after users have installed Microsoft's newest Windows 11 operating system—Oracle VirtualBox software and Cốc Cốc browser compatibility issues, as well as Intel networking issues. Today, AMD reported issues that their Windows 11 compatible AMD processors were having with performance while running certain applications after the new OS installation.
AMD urges users to stick with Windows 10 as a workaround, hotfix coming
[...] Known changes to performance affected areas such as
- Measured and functional L3 cache latency may increase by ~3X.
- UEFI CPPC2 ("preferred core") may not preferentially schedule threads on a processor's fastest core.
[...] To fix these issues, AMD and Microsoft have rolled out both updates to Windows 11, as well as software updates from AMD that will roll out over this month. Microsoft and AMD plan to update their separate knowledge bases with articles updating users with included version numbers and other information as they become available. AMD does state, that while these problems are happening, to continue to use a current supported version of Windows 10 instead of continuing utilizing Windows 11 until the problems have been actively concluded.
More details at AMD's Knowledge Base.
Intel Core i7-12700K 12 Core Alder Lake CPU-z Benchmark Leaks Out, Up to 45% Faster Than AMD Ryzen 7
Intel's Core i7-12700K Alder Lake CPU has been tested in the CPU-z benchmark and allegedly is up to 45% faster than the fastest 8 core CPUs based on Intel's Rocket Lake and AMD's Zen 3 processor lineups.
Intel Core i7-12700K Alder Lake 12 Core Up To 45% Faster Than Core i9-11900K & Ryzen 7 5800X In CPU-z Multi-Threaded Benchmark
The alleged CPU-z benchmark result has been tweeted by TUM_APISAK and shows the Intel Core i7-12700K scoring 800.2 points in the single-core and 9423.2 points in the multi-core benchmark tests. The Core i7-12700K is a 12 core chip but it should be positioned in the same price category as AMD Ryzen 7 5800X and Intel Core i7-11700K. Based on that, the performance improvement is huge for both single-core and multi-core tests.
In the single-core test, the Intel Core i7-12700K is around 17.3% faster than the Core i9-11900K, 24% faster than the Core i7-11700K, and 25% faster than the AMD Ryzen 7 5800X. In Multi-core tests, the Intel Core i7-12700K pushes on top with a 45% lead over the AMD Ryzen 7 5800X and Intel Core i9-11900K. Compared to its predecessor, the multi-core performance is improved by 50%. The CPU only loses to the AMD Ryzen 9 5900X which is a 12 core and 24 thread part and is around 2% faster than the Core i7-12700K.
(Score: 2) by digitalaudiorock on Saturday October 09 2021, @12:57PM (4 children)
I really don't think most realize the insane extent to which this is true, and the same arguably with Mac OS.
I've been running Gentoo for decades now, and have always gone very minimalist (fluxbox and no bloated desktop environment etc). Back in January I built myself a new workstation with a AMD Ryzen 7 3700X 8-Core CPU, but before that I ran on an old Dell Dimension for 18 years, and it was still usable when I retired it...an x86 machine that wouldn't support Vista and older. I was using that for all my personal everyday stuff, plus a full blown LAMP development platform...no notable issues with any of that...and running openrc (NO systemd of course, with their bullshit parallel startup) it could boot to a graphical environment in about 40 seconds. Think about that.
Never mind disk space. With a ton of shit installed my / file system is using about 15 GB all in. What does a new, basically empty Windows install require now? Last I knew it was at least 60 GB of bullshit.
I'm still going minimalist on this killer new AMD machine by the way, and it's beyond awesome. I can compile new kernels in 1 minute 30 seconds.
(Score: 2) by digitalaudiorock on Saturday October 09 2021, @12:59PM
Correction: That kernel compile time was intended to say 1 minute 13 seconds.
(Score: 2) by hendrikboom on Saturday October 09 2021, @09:12PM (2 children)
I still can use my 13-year old ASUS netbook. 2G RAM, but I've replaced the hard drive with 1T with an SSD cache. Never got the original Windows moved onto the new hard drive (anybody know how?)
Mostly just works.
I take it with me when I travel, because my new (and faster and generally more pleasant) computer has used up its battery; whereas the netbook's battery still works fine. I use the new machine when I know I can plug in.
The only problem with the netbook is that the keyboard is slightly wonky -- occasional key bounce on the left; some keys in the bottom row need to be hammered hard to work.
(Score: 2) by Acabatag on Sunday October 10 2021, @02:37AM (1 child)
You might be able to find a replacement keyboard that is better. Even just by finding one on ebay. Keyboards are, or were, pretty easy to replace.
(Score: 2) by takyon on Sunday October 10 2021, @02:50AM
Another option would be to connect a USB or wireless keyboard and type on that. Not the greatest option for a tiny netbook, but it works. Smaller, folding keyboards for travel are available.
[SIG] 10/28/2017: Soylent Upgrade v14 [soylentnews.org]