AMD ZEN 4 : Overhyped or Sandbagging?

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Alright, Let’s start this journey by looking at the past. AMD has had quite the leaps and bounds since the release of its Zen Architecture. With Zen 2, AMD thought they could squeeze an 8-10% IPC uplift. We'll, they ended up with a 15% IPC improvement over Zen. With that, there was a very modest clock speed improvement. Something like 200Mhz for similar SKU's or 400MHZ for the highest-end models.

Anyways, past that with Zen 3, we got even better results with a 19% performance improvement. Even more impressive. Huge IPC uplift.
And IPC is important because it Lise Dr Su said, *Clip*architectural improvement and not clock speed improvement. - For example, at the same clock speed, a Zen 3 cpu is 19% faster than a Zen 2 one at the same clock speed and core count.

But IPC is not everything. As Lisa said, it bumps everything up, but what if you could change one part of the CPU, and that would only bump one type of workload, like gaming.
Well, that’s why we have the 5800X3D. The architecture is the exact same as the 5800X. The IPC improvement is non-existent. The only difference here is the amount of the L3 cache.

Exhibit A:, the score. AMD says they have reached over a 15% uplift in single-threaded performance. Not IPC. but performance. That’s important because it means that clock speeds are added to this calculation. If we take the 5950X which has a clock speed of 4.9Ghz and bring that up to the 5.5Ghz we say during gaming. We’re looking at a 12-ish-percent improvement in clocks alone. So is the IPC improvement really around only 3 to 8%?
Well, it's entirely possible. Some would consider this Zen 3++, but the clock speed increase is still pretty insane.

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