Hacker News Board Hacker News, browsed like a classic message board
Live data from Hacker News

AMD Ryzen 7 7840U Performance Benchmarks on Linux

phoronix.com

Post reply on HN
Print view View original

41–50 of 96 posts

Re: AMD Ryzen 7 7840U Performance Benchmarks on Linux

#41

Post by Luker88 »

shmerl wrote: post #8

So when are Lenovo Thinkpads with such chips coming out?

I have a Thinkpad p16s (amd 6850U), and while it's overall a good laptop, I would not recommend thinkpad again.

Aside from a hardware defect at the beginning (cpu cooler not correctly installed), they disabled S3 sleep in BIOS after an update and sleep is sill broken. Unless I boot with `processor.max_cstate=1` the graphics lock up ~once a day (even if you keep it idle and on AC), and resume is more miss than hit.

It seems to be a known and ignored bios problem. (Some say on windows, too. I didn't check)

Wayland/sway might be less capable than good old X on resuming from graphics lockup, but I really disliked Thinkpad BIOS this time.

Re: AMD Ryzen 7 7840U Performance Benchmarks on Linux

#43

Post by formerly_proven »

jorvi wrote: post #29
adrian_b wrote: post #24

Earlier quoted context omitted.

This is true, but nonetheless many computers are guaranteed to work only up to an ambient temperature of 35 degrees Celsius. In my opinion, this is an incredibly stupid design choice. After being once caught by surprise, now I check carefully for a specified working temperature of at least 40 degrees Celsius, whenever I am buying any laptop or desktop computers. This, for example, disqualifies all Gigabyte small comp…

As long as you need reliability and are willing to discard all aesthetics, just go for a Thinkpad..

In that case, just go for a rugged laptop ala Getac. The S410 is specified for -30° to 65°C (-20 to 145 °F) operating ambient temperature. Whether you are is on a different spec sheet...

Re: AMD Ryzen 7 7840U Performance Benchmarks on Linux

#44

Post by Macha »

heavyset_go wrote: post #39
dhruvdh wrote: post #36

Earlier quoted context omitted.

The sheer audacity to claim no one cared about perf/watt before Apple. More like you did not know what it is before you consumed Apple marketing.

Poe's law strikes again. > Until Apple did it, it was not on anyone's minds. This is too on the nose.

VR (sorry, "spatial computing" now, Apple doesn't do anything that can be dismissed as a gaming peripheral now..) is another recent example.

Re: AMD Ryzen 7 7840U Performance Benchmarks on Linux

#45

Post by hospitalJail »

KeplerBoy wrote: post #37
hospitalJail wrote: post #32

Earlier quoted context omitted.

Can anyone explain why so many people want this? If I am running a beefy single threaded or multi program with CPU, I want the best, not some low power device. Gaming laptop.(Or whatever we want to call it) If I'm running consumer/enterprise software, I likely want a beefy GPU. Gaming laptop.(Or whatever we want to call it) If I'm taking a 7 hour bus ride in a bus without a 120V outlet, I want this. If I'm taking a 6…

Why would you want a beefy GPU in anything except a gaming laptop or full blown workstation replacement? Also on the bus ride. I certainly wouldn't want to unpack a 17" gaming laptop on a bus of all places. You couldn't use a external mouse anyways. There I'd want a steam deck or Nintendo switch.

What is a better word for a laptop with good specs? "High end laptops" are usually garbage when I search for them. 19" monitor and a 3060 for $2000, RGB keyboard 512GB ram, 16gb Ram.

I just use the word gaming laptop because you can get high quality stuff for under $1000, or you can get ultra high quality for $3000 like a 4090.

I don't actually play games. Its a shortcut word.

Re: AMD Ryzen 7 7840U Performance Benchmarks on Linux

#46

Post by qludes »

hospitalJail wrote: post #32
shmerl wrote: post #8

So when are Lenovo Thinkpads with such chips coming out?

Can anyone explain why so many people want this? If I am running a beefy single threaded or multi program with CPU, I want the best, not some low power device. Gaming laptop.(Or whatever we want to call it) If I'm running consumer/enterprise software, I likely want a beefy GPU. Gaming laptop.(Or whatever we want to call it) If I'm taking a 7 hour bus ride in a bus without a 120V outlet, I want this. If I'm taking a 6…

It doesn't replace a beefy GPU but the 780m is more than enough for many workloads and playing older games. It's maybe roughly comparable to having desktop GTX 1050.

There's a decent chance that ryzen models with 740m or 760m that we'll probably see in cheaper ThinkPads won't be half bad either compared to the Intel alternative.

Re: AMD Ryzen 7 7840U Performance Benchmarks on Linux

#47

Post by kalleboo »

Tade0 wrote: post #25
ChuckNorris89 wrote: post #12

Earlier quoted context omitted.

There are countries with way hotter ambients than Germany, and CPUs have been documented to also work just fine there.

I suppose some of it can be attributed to general unpleasantness of 37°C and impatience that comes with it, but I have another data point: A while ago my laptop started running around 10°C hotter than it should have - turns out the iGPU was going wide open throttle for no apparent reason. What I found was that CPU-intensive tasks slowed down as well, because those 10°C make a huge difference in terms of when the CPU…

I live in Asia and summers are routinely 37 C.

Apple's new chips are a GODSEND for laptops. My old Intel laptops would nearly instantly thermally throttle under any trivial load without air conditioning at full blast and a fan aimed at the machine.

Re: AMD Ryzen 7 7840U Performance Benchmarks on Linux

#48

Post by przmk »

hospitalJail wrote: post #32
shmerl wrote: post #8

So when are Lenovo Thinkpads with such chips coming out?

Can anyone explain why so many people want this? If I am running a beefy single threaded or multi program with CPU, I want the best, not some low power device. Gaming laptop.(Or whatever we want to call it) If I'm running consumer/enterprise software, I likely want a beefy GPU. Gaming laptop.(Or whatever we want to call it) If I'm taking a 7 hour bus ride in a bus without a 120V outlet, I want this. If I'm taking a 6…

If I want something sleek, not awfully hideous, 13" screen but with relatively good performance? Everything BUT a gaming laptop.

Re: AMD Ryzen 7 7840U Performance Benchmarks on Linux

#49

Post by KeplerBoy »

hospitalJail wrote: post #45
KeplerBoy wrote: post #37

Earlier quoted context omitted.

Why would you want a beefy GPU in anything except a gaming laptop or full blown workstation replacement? Also on the bus ride. I certainly wouldn't want to unpack a 17" gaming laptop on a bus of all places. You couldn't use a external mouse anyways. There I'd want a steam deck or Nintendo switch.

What is a better word for a laptop with good specs? "High end laptops" are usually garbage when I search for them. 19" monitor and a 3060 for $2000, RGB keyboard 512GB ram, 16gb Ram. I just use the word gaming laptop because you can get high quality stuff for under $1000, or you can get ultra high quality for $3000 like a 4090. I don't actually play games. Its a shortcut word.

Sure, i get that. I still don't think I'd want to travel or commute with that kind of laptop.

That's the kind of machine I'd want docked at my desk, connected to multiple displays and all other peripherals. At that power efficiency and battery life are of little concern.

Re: AMD Ryzen 7 7840U Performance Benchmarks on Linux

#50

Post by pmoriarty »

ChuckNorris89 wrote: post #5

For those unaware, this isn't AMDs top of the line laptop chip, but the top of the line ultra low power laptop chip. It's meant for ~15W thin and light devices, not thick gaming laptops, AMD has 35W parts for those.

What are AMD's top of the line laptop and desktop chips?
Post reply on HN