this post was submitted on 28 Jul 2023
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AMD claims that the new Ryzen 9 7945X3D with a whopping 144MB cache is the fastest mobile gaming processor on the planet, and that it's more than 15 percent faster than the Ryzen 9 7945HX on average. It has 16 cores, 32 threads, up to 5.4 Ghz boost speeds and 55W+ TDP. The CPU is built on the Zen 4 architecture.

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[–] 0110101001100010@boulder.ly 38 points 2 years ago (4 children)

it's funny how tech-forward "3D V" sounds and it really just means "we stuck more cache on top."

[–] dirkgentle@lemmy.ca 23 points 2 years ago* (last edited 2 years ago)

I heard you like cache, so I put some cache on your cache.

[–] symcal@lemmy.world 11 points 2 years ago

If that means I can get consistent crazy performance on a 55W laptop chip then I don't see a problem. Once we hit the limit of Moore's law I suspect we will see many clever innovations and I personally can't wait.

[–] MaxVoltage@lemmy.world 8 points 2 years ago* (last edited 2 years ago)

when we gonna break the 1gb cherry? 🍒

[–] AnonymousLlama@kbin.social 3 points 2 years ago

Extra cache, so much room for more activities!

[–] nicman24@kbin.social 30 points 2 years ago (1 children)

factorio MFs' wallets sweating right now

[–] symcal@lemmy.world 9 points 2 years ago

The factory must grow

[–] panda_paddle@lemmy.world 16 points 2 years ago (2 children)

Can't wait to read the Userbenchmark review telling me why this chip is actually garbage and how only idiots buy AMD.

[–] notepass@feddit.de 3 points 2 years ago

"When using all 16 cores at a TDP of 5 watts, it is actually a lot slower then the core i3-1969UwU, making it pretty useless for battery operation. Consider buying an intel CPU.

[–] FinalRemix@lemmy.world 2 points 2 years ago

I'm an idiot that's only ever had problems with Intel. Weirdly, same with AMD/ATI graphics. Only AMD CPU/APUs and GeForce GPUs for this idiot, here.

[–] notepass@feddit.de 13 points 2 years ago (1 children)

This is absolutely ridiculous. Looking at what we get out of mobile CPUs today, when I have a laptop with an i7-7700HQ from 2017 that has.... 4 cores/8 threads and is turboing to somewhere in the mid 3GhZ range. With a 45W TDP.

The last 5 years have been such a turbo charging for CPUs

[–] InverseParallax@lemmy.world 13 points 2 years ago

Intel without competition is extremely profitable.

[–] blackluster117@possumpat.io 12 points 2 years ago

Jesus Christ, this thing is unreal. It's like reading the headlines for the Soviet Superman.

[–] Fizz@lemmy.nz 11 points 2 years ago (1 children)

That mobile chip seems better than my ryzen 5600x lol

[–] Hobovision@kbin.social 1 points 2 years ago

Probably way better and way more expensive.

[–] Contramuffin@lemmy.world 6 points 2 years ago

It's because the 7900 and 7950 are using an "old" naming scheme and the 7945 is using a new naming scheme.

  • 7 = released in 2023
  • 9 = Ryzen 9
  • 4 = Zen 4
  • 5 = mobile/APU

One of the side effects of this is that bigger number no longer necessarily means better, especially if you're comparing between architectures

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