World of Warcraft benefits from the cache more than pretty much any other game out there. It is a CPU dependent game. CPU dependent games rely on two things. Cpu+ram speed. However with the heavy cache makes the ram speed kind of unimportant. That’s why it’s so good for Budget gamers because they don’t need super fast expensive RAM
In Most Games other than WoW you wont notice much of a difference because you are GPU bottlenecked in most titles. Unless you are on a 4090 then you will 100% see a difference. This is why reviewers use the 4090 for their CPU Benchmarks to remove as much of the GPU bottleneck as they can.
Normal Games
GPU>Ram>CPU (CPU is the Last thing that can bottleneck you)
WoW, other MMOs and CPU Dependent Games
CPU>Ram>GPU (CPU is the First thing that can bottleneck you)
My own Testing
I had the luxury of having both platforms for a hot min. Since I did both builds myself they were identical except for the CPU. Intel has the ROG Strix z790 Gaming-E and amd had the ROG Strix x670e Gaming-E motherboards. Other than the CPU and mobo everything else was the same even the same exact GPU and PSU, RAM and Case
Both toons in Valdraken side by side at the same time. Both were using the same 7400mhz g.skill RAM kits. However on the 7950x3D I set it to 6000mhz so it would run at 1:1. On intel it was 7200mhz
7950x3D + RTX 4090 (ram running DOCP 6000mhz)
13900k + RTX 4090 (Ram runninx XMP 7200mhz)
FYI when I dialed the Ram speed down to 6000mhz on the 13900k build? The frame rate went much lower than what you see in that image what you see in that image was 7200mhz Ram. Basically a non-X3d chip you need super fast Ram to be comparable in a CPU based game.
With all of this said the main place you will notice the difference between a x3D cpu and non X3D is basically Major City Hubs, raids world events places where you have a lot of players in the same place at the same time that’s when world Warcraft really put your CPU to its limits. This is what made Valdraken on Area 52 such a good place to benchmark