[FFmpeg-devel] Hardware purchase request: AVX512-capable laptop

[James Almer]

On 1/3/2024 12:04 AM, Lynne wrote:
> Jan 3, 2024, 02:22 by jamrial at gmail.com:
> 
>> On 1/2/2024 9:56 PM, Lynne wrote:
>>
>>> As some of you know, my laptop died nearly 2 years ago, and
>>> I've been working on a desktop machine, which is currently a Zen 3.
>>> AVX512 has become more popular in the meantime, with Zen 4
>>> and future AMD CPUs shipping with it, but currently, we have very
>>> little AVX512.
>>> In short, I'd like a machine which runs an AVX512-capable
>>> AMD CPU, and as the world is opening up more and more, I'd
>>> like for it to be portable.
>>>
>>> I've looked around a lot, but as Intel still has a firm monopoly,
>>> the options are limited (7940H(S), 7945HX, 7845HX, 8945HS).
>>> What I think I've settled for is an ASUS Vivobook Pro 15, with a
>>> 7940HS CPU (the second least powerful Zen 4 mobile CPU),
>>>
>>
>> 7940HS is the highest Ryzen 9 model from the 7040 series. Not sure where you got second least powerful from.
>>
>> https://en.wikipedia.org/wiki/List_of_AMD_Ryzen_processors#Phoenix_(7040_series,_Zen_4/RDNA3_based)
>>
> 
> Was reading Wikipedia, and thought it was a Zen 3, my mistake
> (and AMD's mistake for making 4 versioning formats):
> https://en.wikipedia.org/wiki/List_of_AMD_Ryzen_processors
> 
> 
>>> currently trading for 1999.0 EUR on amazon.de.
>>>
>>> https://www.amazon.de/-/en/Vivobook-Display-R9-7940HS-Windows-Keyboard/dp/B0BRYTS8MR
>>>
>>> The other alternative I've found is a Lenovo Legion 7 Pro, but
>>> it's more expensive at 2399 EUR (currently seems temporarily
>>> discounted due to the holidays).
>>>
>>
>> I see a Lenovo Yoga Pro 7 available for 1099 EUR. https://www.amazon.de/-/en/Lenovo-Display-Graphics-Blue-Green-Premium/dp/B0CGLPVQHK/
>>
>> Same amount of RAM, screen resolution and storage, and a Ryzen 7.
>>
> 
> It's a good suggestion, but I have a better one, that's somewhat more expensive,
> but has a better screen, better build quality, and is cheaper than the Vivobook:
> 
> A Lenovo ThinkPad P14s Gen 4 with the following options:
>   - Windows 14 Home (if you don't pick Windows, the OLED display is not available for no reason)
>   - 32Gb of RAM
>   - 1Tb "performance" SSD (it's 70 EUR more, but twice the size)
>   - 2880x1800 OLED monitor
>   - 4-cell battery (only 10 EUR more)
>   - English (EU) keyboard, without backlighting
> 
> https://www.lenovo.com/de/de/configurator/cto/index.html?bundleId=21K9CTO1WWDE2
> 
> For 1.700,11 EUR. It's made of metal, unlike the Yoga, it's possible to repair,
> targeted at business users, has way more ports (including a full-sized RJ-45!),
> bigger battery, 3-year warranty instead of a 3-month limited warranty,
> and a better keyboard.
> 
> We have the budget, as we were looking for ways to spend it anyway,
> and it's definitely going to last, so I don't think it's out of an acceptable price range.
> 
> 
>>> The Lenovo IdeaPad still hasn't been refreshed and uses a Zen 3 CPU,
>>> so it doesn't fit the requirements. I'd take other options, but after
>>> all the looking I did, the only other laptops to feature Zen 4 CPUs are
>>> rather pricy gaming laptops with high-end NVIDIA GPUs, starting at 2500 EUR
>>> and going up.
>>>
>>
>> The Vivobook has a discrete Nvidia GTX 4060, which makes it a gaming focused laptop too.
>>
> 
> Actually, the Yoga Pro 7 also comes with an NVIDIA GPU, a 4050:
> https://www.lenovo.com/de/de/p/laptops/yoga/yoga-pro-series/Yoga-Pro-7-Gen-8-(14-inch-AMD)/LEN101Y0032
> (also mentioned it has an NVIDIA GPU on the amazon link, but they seem to be
> ashamed of the fact it's a 4050 so they don't mention a model).

As i understand it, it *can* have a 4050. Like many laptops, it has 
different variants with different combinations of CPU and options like 
discrete GPU. The Amazon link i shared is for one with only the IGP.


> The ThinkPad P14s does not have an NVIDIA GPU, which is much less of a plus than
> before, but it does save from having a near-constant constant power hog and Optimus display setup.
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