Discussion the Death of the Desktop CPU

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WelshBloke

Lifer
Jan 12, 2005
32,373
10,481
136
Now put the Arm chip in your desktop and vice versa. This reminds me of people who were saying the Apple CPUs were only good for smartphones. Apples, oranges.

That said I don't really understand the issue discussed here. Do people really run demanding games on laptops? Do desktop replacement laptops really make a sense when you have to suffer noise, heat and lack of battery life? I remember trying to play World of Warcraft on a laptop 15 years ago, this vaccinated me (and that never was a demanding game).

PS - Your desktop still is much better for MT tasks (and without even taking into account that GB6 MT is to be considered with a huge grain of salt): https://browser.geekbench.com/v6/cpu/compare/11137376?baseline=11118647
Oh I agree with you. That was kinda my point in posting those results.
I know geekbench does measure actual performance but it doesn't really measure actual performance!
 

Hail The Brain Slug

Diamond Member
Oct 10, 2005
3,709
2,963
136
That said I don't really understand the issue discussed here. Do people really run demanding games on laptops? Do desktop replacement laptops really make a sense when you have to suffer noise, heat and lack of battery life? I remember trying to play World of Warcraft on a laptop 15 years ago, this vaccinated me (and that never was a demanding game).
With "advancements" in cooling design (more heatpipes, louder fans, larger heat dissipation area, and optimized airflow allowing them to just shoehorn actual top of the line desktop parts with decreased (sometimes not by much) power limits.

They can be quite good, I had a Lenovo Legion 7 with a 7945HX (Dragon Range 7950X part with 185W boost, 165W sustained) and a 4090 (desktop 4080 part with 175W power limit) and it was indiscernable from an actual desktop in usage as a workstation.......

......Except the part where it was so loud with a load that you couldn't have a conversation within 10 feet of it.
 

fastandfurious6

Senior member
Jun 1, 2024
443
593
96
they do have 2 or 3 monitors hooked up. Only a dgpu and a sizeable one, and only in a desktop can you find this.

very minor feature, switch solves this. you definitely dont need dgpu and all that, even with laptop iGPU nowadays

more peripherals is not really a good reason... even in storage, 2 nvme + 2 external ssds give tons of TB. then if you want 8+ drives you go workstation/server, makes sense.

simply put desktop is being eclipsed by major advances in thermal/w/perf ratio
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
26,819
15,819
136
very minor feature, switch solves this. you definitely dont need dgpu and all that, even with laptop iGPU nowadays

more peripherals is not really a good reason... even in storage, 2 nvme + 2 external ssds give tons of TB. then if you want 8+ drives you go workstation/server, makes sense.

simply put desktop is being eclipsed by major advances in thermal/w/perf ratio
If you need the real estate to see more than one screen at a time ( or 3) , nothing currently can do it except a desktop.
 

Nothingness

Diamond Member
Jul 3, 2013
3,278
2,329
136
Oh I agree with you. That was kinda my point in posting those results.
I know geekbench does measure actual performance but it doesn't really measure actual performance!
No benchmark can really reflect what your preferred application needs. Sorry for stating the obvious I don't dismiss benchmarks, but always use them with a great care (for instance, I don't care at all about CPU/GPU benchmarks that measure FPS with a 5090 GPU at 1920x1080, this is utterly stupid and non representative of what I run).
 

Hail The Brain Slug

Diamond Member
Oct 10, 2005
3,709
2,963
136
simply put desktop is being eclipsed by major advances in thermal/w/perf ratio
These are just desktop parts put in a laptop. You can change your desktop CPU and GPU power limits to make them much more efficient, as well. And you keep the benefit of modularity, upgradeability, maintainability, better and quieter cooling, and everything else that comes with a desktop.

You're making something out of nothing. These are not laptops you can reasonably use like a laptop.

We've provided you with the facts about this. Your absolute and utter refusal to even acknowledge the reality of the situation means you're being disingenuous and arguing in bad faith.
 

Nothingness

Diamond Member
Jul 3, 2013
3,278
2,329
136
With "advancements" in cooling design (more heatpipes, louder fans, larger heat dissipation area, and optimized airflow allowing them to just shoehorn actual top of the line desktop parts with decreased (sometimes not by much) power limits.

They can be quite good, I had a Lenovo Legion 7 with a 7945HX (Dragon Range 7950X part with 185W boost, 165W sustained) and a 4090 (desktop 4080 part with 175W power limit) and it was indiscernable from an actual desktop in usage as a workstation.......

......Except the part where it was so loud with a load that you couldn't have a conversation within 10 feet of it.
I'm always concerned by what heat can do to such a confined hardware, no matter how well you dissipate it. Especially when replacing a failing piece is mostly impossible.
 

In2Photos

Platinum Member
Mar 21, 2007
2,402
2,624
136
If you need the real estate to see more than one screen at a time ( or 3) , nothing currently can do it except a desktop.
My Dell XPS 15 would disagree with you here. While it does require an external dock for my particular connectivity, the laptop iGPU handles 3 monitors just fine.

That being said no way does my laptop replace my desktop. The noise from the laptop just doing some office work was so bad I had to download throttlestop, downgrade the BIOS and undervolt the CPU just to tame the noise. My desktop is inaudible even when torture testing.
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
26,819
15,819
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My Dell XPS 15 would disagree with you here. While it does require an external dock for my particular connectivity, the laptop iGPU handles 3 monitors just fine.

That being said no way does my laptop replace my desktop. The noise from the laptop just doing some office work was so bad I had to download throttlestop, downgrade the BIOS and undervolt the CPU just to tame the noise. My desktop is inaudible even when torture testing.
The external dock makes it the same as a desktop. I think your post kind of proves that in other ways. I would like to see a laptop IGPU handle 3 simultaneous screens at something like 3840 × 2160 on 40 inch monitors.

Edit: My son works on huge drafting files.
 

In2Photos

Platinum Member
Mar 21, 2007
2,402
2,624
136
The external dock makes it the same as a desktop. I think your post kind of proves that in other ways. I would like to see a laptop IGPU handle 3 simultaneous screens at something like 3840 × 2160 on 40 inch monitors.

Edit: My son works on huge drafting files.
The dock makes it function like a desktop, but it doesn't make it a desktop. It's still portable. I have a dock at home and one at the office. My laptop can plug in to either one. All my peripherals stay put. Can you imagine lugging around a desktop trying to do that? You can also daisy chain display port (MST) so only 1 USB-C or DP port needed on the PC to run multiple displays. The monitors have to have DP outputs but this is possible. Laptops can also have dGPUs that would easily handle 3-3840x2160 monitors. I too work on large drafting files. Again, the laptop can do it, but maybe not as easily or as quietly as the desktop. That's why we have both on the market. Each has their use. This is like saying a truck can do a car's job and vice versa. In the broadest of terms this is true, but if you have a specific task, like hauling a load of dirt, nobody is choosing the car!
 

WelshBloke

Lifer
Jan 12, 2005
32,373
10,481
136
No benchmark can really reflect what your preferred application needs. Sorry for stating the obvious I don't dismiss benchmarks, but always use them with a great care (for instance, I don't care at all about CPU/GPU benchmarks that measure FPS with a 5090 GPU at 1920x1080, this is utterly stupid and non representative of what I run).
Well yeah but geekbench doesn't take cpus thermally throttling, or pretty much all the other bits of a computer that affects performance. I posted that benchmark showing my phone beating my desktop but I'd be very surprised if there were many real tasks where my phone was faster.
At least you can argue that a 3dmark benchmark is testing a metric that is closer to a situation that users are likely to run.
 
Jul 27, 2020
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Well yeah but geekbench doesn't take cpus thermally throttling, or pretty much all the other bits of a computer that affects performance.
It's pretty sad that the Geekbench developer is too cheap to implement more monitoring into his application so we can see graphs and other useful information. I know it can't be made available for all hardware at once but even if he started today, in a year or two, a wide variety of popular hardware could have monitoring support and it would make it easier to choose the best CPU for the task that matters to us most.
 

Doug S

Diamond Member
Feb 8, 2020
3,086
5,320
136
The external dock makes it the same as a desktop.

You're just reaching for completely made up reasons to hate on desktops on this point. First you deny that laptop GPUs can handle multiple large monitors when they have for years, now you say needing a dock makes a laptop a desktop!

You aren't carrying the multiple large monitors around with you, so you would leave the dock with them. Everything is connected up to the monitors you just need to connect your laptop to the dock and do your thing. You can also unplug from the dock and carry your laptop into a meeting or take it home to use it. Try that with a desktop lol!
 

Glo.

Diamond Member
Apr 25, 2015
5,911
4,955
136
CPUs currently are mobile designs that are scaled into the desktop thermal envelopes.

Thats it. Hence the really small performance differences.
 
Reactions: fastandfurious6

Glo.

Diamond Member
Apr 25, 2015
5,911
4,955
136
If you need the real estate to see more than one screen at a time ( or 3) , nothing currently can do it except a desktop.
I can connect 2 monitors to MacBook Air with M4, totalling 3 displays. And Arguably for certain tasks thats better setup than desktop+monitors.
 

Glo.

Diamond Member
Apr 25, 2015
5,911
4,955
136
At my sons work, and many other businesses, they don't have workstations, but they do have 2 or 3 monitors hooked up. Only a dgpu and a sizeable one, and only in a desktop can you find this.
Not really, seriously. Strix Point iGPU is capable of running up to 4 4K displays.
 
Reactions: fastandfurious6
Jul 27, 2020
23,557
16,545
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Try that with a desktop lol!
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Desktop with legs. Or wheels.

You don't carry it. It follows you around.

You don't need to charge it. It will find an electrical outlet and plug its behind into it in the most nonchalant way.

And you can bark commands at it and it will listen and never turn against you or murder you in your sleep.

And it has carry pouches for wireless keyboard/mouse and even a portable wireless 13 inch OLED display.

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"Aye, you there! Yes, you, Aye Bot Top! Come over here!"

Don't forget to share some of the riches with me after that's a roaring success for you
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
26,819
15,819
136
You're just reaching for completely made up reasons to hate on desktops on this point. First you deny that laptop GPUs can handle multiple large monitors when they have for years, now you say needing a dock makes a laptop a desktop!

You aren't carrying the multiple large monitors around with you, so you would leave the dock with them. Everything is connected up to the monitors you just need to connect your laptop to the dock and do your thing. You can also unplug from the dock and carry your laptop into a meeting or take it home to use it. Try that with a desktop lol!
Well, I have read many times that if you run a laptop at 100% load for sustained times, it gets hot and eventually dies. This is mostly in our DC community. Of course you will say thats a minority. I will just bow out of this discussion as I won't change my opinion, and others will try to change it until until the end of time.
 
Reactions: igor_kavinski
Jul 27, 2020
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Well, I have read many times that if you run a laptop at 100% load for sustained times, it gets hot and eventually dies.
I can say that this is somewhat true, at least as far as my old 45W Core i7 3rd gen is concerned. Its left side vent got covered by stuff on my bed and I didn't notice until it was too late. It seized and thermally shutdown. After that, two USB 3.0 ports are no longer working. This is what Device Manager is showing:




I guess the extreme heat buildup must've damaged those?

Anyway, I can't imagine a 100+ W laptop suffering some severe thermal event (fan could stop working). That would certainly cause something to melt, smoke out or even cause fire!
 

aigomorla

CPU, Cases&Cooling Mod PC Gaming Mod Elite Member
Super Moderator
Sep 28, 2005
20,982
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Well, I have read many times that if you run a laptop at 100% load for sustained times, it gets hot and eventually dies. This is mostly in our DC community. Of course you will say thats a minority. I will just bow out of this discussion as I won't change my opinion, and others will try to change it until until the end of time.

That is a FACT.

Every 10C u reduce heat on the processor, you net effectively double life of said IC.
This was even confirmed by IDontCare when i showed him the paper which a Silicon Engineer stated.
It is based off the Arrhenius equation and the 10C rule.

So the same can be said in reverse.
Every second minute hour your CPU is at or near thermal throttle thresh hold, you effectively hack away at the life of the chip on a exponential level, which leads me to wonder how long the earily ryzen's will really last on a wraith cooler.

I can tell you i still have LGA478 cpu's that still work, although i think i killed off most of my wolfdales and Yorktowns from overvolting, and electron degradation.
 
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DAPUNISHER

Super Moderator CPU Forum Mod and Elite Member
Super Moderator
Aug 22, 2001
30,852
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So the same can be said in reverse.
Every second minute hour your CPU is at or near thermal throttle thresh hold, you effectively hack away at the life of the chip on a exponential level, which leads me to wonder how long the early ryzens will really last on a wraith cooler.
LOL bro, who the hell is still running them? OG Zen isn't even officially win 11 supported. The Ryzen 5500 has been in the top 5-10 sellers on and off for a long time now. It's in the 3 spot on Amazon at the moment for $81.20. No one on Zen can complain if their CPU degrades, it's been 8 years and they can update the bios and drop in a much faster CPU for less than they paid for the first one, way cheaper in adjusted dollars.

As to the topic: Desktop PCs have issued a statement - News of my death has been greatly exaggerated. For over a decade now, no less.
 
Reactions: adamge
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