Why does a 10900K FEEL faster than a 13900K?

Are you getting stuttering or hanging while working on a heavily loaded i9 desktop PC? (Not gaming), If so then today's video may shed some light, where in part 1 we broke down what has happened over the years with CPUs and why they became so much more responsive. However today we test out the i9-10900K vs the i9-13900K in what would be considered very different grounds for testing. This is part 2 of 2 (well now part 2 of 3) for the Intel CPU latency story.

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Chapters
00:00 The story so far, test setups and specifications.
01:51 note this video is NOT for gaming FPS numbers or cinebench r23 CJ
02:52 Windows 10 alternative tests (DPCLatency, Rapid File, Search, Input Latency)
05:55 Windows 11 alternative tests (DPCLatency, Rapid File, Search and Drag and drop).
08:49 Yes it's newer, though it doesn't always mean it's better.
10:25 Why is no one else talking about this?
Conclusion it's simply not all about AFK benchmarks.
11:00 What brought about this testing? And exactly why is this?
Question of the Day, what about 11th Gen?
12:22 Sure this video is niche, but hopefully it help's some people make a better decision.
13:37 The final questions, why could this be happening? who can tell us more about this?
15:45 What about 11th Gen Intel CPUs?

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#CPU #PCGaming #Latency

[crawfordbrown]

I havent slept since part 1, I really hope it was worth it.

[Atilolzz]

Amazing work, I am always amazed by how much you think and work out of the box to proof that our "gutfeeling" about latency was right

[bgtubber]

I love these investigation videos! Looking forward to seeing Ryzen 7950x put through the same tests.

[BenJ]

This is fascinating! I went from a 10900K -13900k and although benchmarks prove the new system is much faster the very day experience is different. For music production and photoshop the 10900k was snappier and a better experience!

[MarcoGPUtuber]

Tech YES hss been on a roll pumpin out banger after banger lately.

[floorgang]

Part 3 should be comparing with Ryzen I guess. Ryzen used to be unresponsive due to slow CCD/CCX and IF but improved over the years with cache, especially with 3D cache.

[havochowl]

Brian just entered the deepest and darkest path of being a PC enthusiast 😂

[OptimizingNetwork]

Here is what I see.

As an owner of 13900k, I tune my CPU, but don't overclock it.
It has a random frame time spike and it is consistent, but yet random to what is going on in games. It actually shows in other people's benchmarks with 4090 and 4080, I see it too.
LatencyMon completely hard locks my system. I tried different ram 2 motherboards, then my previous one would just say that my PC is not meant for real time recording in LatencyMon.

I have drop outs in my professional audio equipment with 13900k, but amazing fps in games, with an occasional single stutter. Latency in LatencyMon is high, until i turn off High Precision Event Timer in Device Manager, but the stutter does not go away. In fact I saw frame to frame latency get worse with HPET disabled.

LatencyMon still breaks my system on both of my Apex Encore Z790 motherboards.
9900k has none of those issues.

Something in the E-Core/P-Core/Internal Memory Controller of 13900k and the way Windows 11 scheduler talks to it. I saw none of this random stutter with 7950x Ryzen 9. I speculate difference in core frequencies does make a difference, even though I have SpeedStep and SpeedShift turned off. I have 7950x coming to test it, so we shall see if it exhibits same issue. By the way, I tried two 13900k CPUs, same issue.

Head to my channel to find a way how to remove 95% of stutters on 13th, 14th, and 12th gen Intel cpus. I found it this week. Note that new Arrowhead CPU by intel will not have hyperthreading, and I understand why now. I stumbled on partial solution to my stutters. Stutter happened in Ready or Not as you first spawn in, I assume it loads everything to L2/L3 cache, but it's very visible.

[Brodda-Syd]

Wow.
Good STUFF Brian! Keep it coming, we want more of this stuff!

[mausimus]

As someone very sensitive to latency I found the most common cause is power management and downclocking, disabling low power states will definitely improve this. Same goes for GPUs, I remember my RX550 used to cause mouse movement stutters on idle desktop when the card was repeatedly downclocking and upclocking. However I do appreciate my 13600k idling at <3 W and while it'd be great to improve this, I accept it as necessary evil.

[MrNoZedd]

Wondering how my 7800x3d windows 10 stacks up against them.
Thanks for the effort you put into the testing! This is very important information

[abdulhkeem.alhadhrami]

finally part 2 been wating, can't wait to see results!

[WillbmeEVA]

Got to love the fact that you are quite possibly one of the only reviewers that has the ability to multitask on one pc enough to overload it and feel the difference. Keep going with your gut feelings on products, it is what sets you apart. !Cheers!

[samserious]

Thats a unique benchmark :D Well done!

[AJDOLDCHANNELARCHIVE]

Great video Bryan! I had huge issues with DPC latency back a decade or so - and no one on any of the PC tech support forums knew what on Earth I was talking about. Programs like LatencyMon really helped me pinpoint certain driver and hardware issues that was causing massive latency spikes that was creating very much audible "glitching", especially in audio work.

[caretaker]

I would love to see how the 11th Gen (as well as Ryzen) compare to the 13th Gen in these kinds of tests.

[MrChewy]

It would be interesting to see these tests done with a non-heterogeneous chip like the i5 12400

[mrchrisbeaver]

Honestly it's a breath of fresh air to see something non gaming focused on this channel.

[ProIific]

Why not just use an NVIDIA LDAT to measure latency? Also would be really interested to see how the 5800x3D and 7800x3D as well as 11th gen intel compare in these types of testing.

[Lucius]

I just ordered new parts to upgrade to a 12th Gen last week. The delivery has been delayed, which makes me very anxious already. And now you come up with this. Come on! Let me enjoy my cpu!