Gigabyte 500 & 400 series AM4 motherboard BIOS’ add support for the AMD Ryzen 7 5800X3D CPU

The AMD Ryzen 7 5800X3D launch is getting closer. In preparation for the launch, Gigabyte has released a new BIOS for its 500 and 400 series AM4 motherboards. According to a tweet from @KOMACHI_ENSAKA the new BIOS includes AMD AGESA ComboV2 PI firmware and applies to the Gigabyte X570, B550, A520, X470, and B450 product families. Although not explicitly stated, the BIOS changelog for several of the models we reviewed includes support for “Upcoming New Processor”. It’s almost certainly 5800X3D. Other motherboard manufacturers will certainly release their BIOS versions.

The Ryzen 7 5800X3D is a great processor as it is the first to include an additional 64MB of vertical cache. This will give it a total of 96MB of L3 cache. It will include 8 cores and 16 threads. Its base clock will be set at 3.4GHz with a boost clock of 4.5GHz. This is lower than the 4.7GHz of the regular Ryzen 7 5800X. TDP remained the same – 105 watts.

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AMD has lowered clock speeds a bit to fit in the 105W TDP shell, but that means if you have good cooling and a motherboard with decent VRM, there’s every chance the 5800X3D can have good overclock headroom. AMD claims that the 5800X3D can deliver up to 15% better gaming performance than the base 5800X. Though this will likely be limited to games that are sensitive to large, low latency caches. It may also turn out to be a low-powered processor.

Will a lower clock speed really hurt? Or will the extra cache be enough to make up for it in all sorts of workloads? We’ll have to wait and see how it performs if or when we install it on our testbed in the spring.

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