Total War: Warhammer’s Bretonnia patch boosts performance on AMD Ryzen CPUs

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Last week, the Total War: Warhammer team released a new patch, codenamed Bretonnia. While they didn’t specifically discuss any kind of new features in the patch notes, testing shows that the update significantly improved performance on AMD’s new Ryzen microprocessors.

PCGames.fr tested the new 1.6.0 patch, and found a consistent 10 percent improvement on all three Ryzen 7 processors, as shown below:

TotalWarWarhammer

Data and graph by PCGames.fr

Intel microprocessors were reportedly unaffected by the patch. The size of the improvement suggests further proof for AMD’s claim that Ryzen’s lower-than-expected performance in some titles was caused by a lack of game code optimizations. Ashes of the Singularity, which released its own patch last week, has also seen a modest performance uplift, and Oxide has speculated that the situation might be improved further with additional changes.

PCGames.fr also floats the idea that some of the Ryzen gap might be attributable to bugs in game engines, like F1 2016, which apparently treated Ryzen as a 16-core processor rather than an eight-core processor with 16 threads. AMD’s Robert Hallock wrote up and released his own report on how SMT, faster RAM, and HPET settings could influence the F1 2016 benchmark specifically, available here.

This distinction isn’t trivial and it could easily explain some of what’s been called the “Ryzen gap,” although we’d caution against assuming it’s the only explanation (Ashes of the Singularity, for example, had a different…

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