The reason we test games in CPU reviews at lower resolutions such as 720p and below is simple; titles are more likely to be CPU bound than they are GPU bound at lower resolutions. This means there are more frames for the processor to process as opposed to the graphics card doing the majority of the heavy lifting.
There are some variances where some games will still use graphical power, but not as much CPU grunt at these smaller resolutions, and this is where we can show where CPU limitations lie in terms of gaming.
We are using DDR5-5200 memory as per the JEDEC specifications on the Ryzen 7 8700G and Ryzen 5 8600G, as well as DDR4-3200 on the Ryzen 7 5700G and Ryzen 5 5600G. The same methodology is also used for the AMD Ryzen 7000 series and Intel's 14th, 13th, and 12th Gen processors. Below are the settings we have used for each platform:
- DDR5-5200 CL44 - Ryzen 8000G
- DDR4-3200 CL22 - Ryzen 5000G
- DDR5-5600B CL46 - Intel 14th & 13th Gen
- DDR5-5200 CL44 - Ryzen 7000
- DDR5-4800 (B) CL40 - Intel 12th Gen
World of Tanks
Borderlands 3
Red Dead Redemption 2
F1 2022
Hitman 3
Total War: Warhammer 3
Looking at performance with a discrete graphics card and at 720p and lower, we start to see the limitations of having a more power-efficient mobile Zen 4 core, as performance doesn't come close to that of the regular and higher-powered desktop processors. While we generally see an uplift in performance going from the Ryzen 8000G to the Ryzen 5000G processors, they don't quite show the raw grunt of the other desktop processors.
With STAPM limitations removed, we see nearly identical performance when testing with a discrete graphics card as we did with STAPM implemented.
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