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posted by martyb on Tuesday April 13 2021, @05:33PM   Printer-friendly

AMD has announced "Cezanne" desktop APUs with Zen 3 cores and Vega integrated graphics:

AMD has officially launched its next-generation Ryzen 5000G APUs codenamed Cezanne which features the brand new Zen 3 core architecture. The AMD Ryzen 5000G APUs are aimed at the consumer segment with an initial supply coming to OEM PCs first and later heading out to the gaming & mainstream DIY segment.

The AMD Ryzen 7 5700G will be the flagship offering within the lineup. It will feature 8 cores and 16 threads. The clock speeds are reported at a 3.8 GHz base and a 4.6 GHz boost. The CPU will carry a total of 16 MB L3 and 4 MB L2 cache with the TDP being set at 65W. The APU will also carry a Vega integrated GPU with 8 CUs or 512 stream processors running at clock speeds around 2.0 GHz. The 35W Ryzen 7 5700GE will feature the same specs but reduced core clocks of 3.2 GHz base and 4.6 GHz boost. The CPU should retail at around $350-$400 US.

Unlike the previous-generation "Renoir" desktop APUs, these processors should eventually see a retail release, but will only be offered by OEMs for now.

AMD has also launched OEM-only Ryzen 9 5900 and Ryzen 7 5800 CPUs with lower TDPs and clock speeds than their X counterparts.

Also at AnandTech.

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  • (Score: 2) by richtopia on Tuesday April 13 2021, @09:53PM (1 child)

    by richtopia (3160) Subscriber Badge on Tuesday April 13 2021, @09:53PM (#1137134) Homepage Journal

    Considering a GT 1030 is over 100USD on Amazon today, the 5700G might be a reasonable purchase with the plan to upgrade in a year.

    I'm quite confused on pricing. The 5800X is MSRP $449 8C/16T base 3.8GHz, while 5700G is MSRP $350 8C/16T base 3.8GHz. Looking closer the L3 Cache is cut in half to 16MB... I wonder how that will impact the performance of these chips.

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  • (Score: 3, Informative) by takyon on Tuesday April 13 2021, @10:17PM

    by takyon (881) <> on Tuesday April 13 2021, @10:17PM (#1137141) Journal

    They are just guessing the prices, they don't know for sure. But it's entirely possible that the 5700G CPU performance will be almost as good as the 5800X (lower TDP and clocks, but it's a monolithic die instead of chiplets).

    The amount of L3 cache a core can access is quadrupled from Renoir. Renoir (except for quad-core 4300U/4450U Pro) has 8 MiB of L3 cache, but it's split into half by the two core complexes (CCXs). The 5700G and most of the Cezanne lineup have 16 MiB of L3 cache and each core can access all of it. Desktop Vermeer: 5800X has 32 MiB shared by 8 cores, 5900X and 5950X have 64 MiB split on two chiplets.

    If you were to buy a pre-built desktop with the 5700G (the only way you can buy it for now), you might be hobbled by a low wattage power supply (e.g. ~180 W) not suitable for adding a GPU, and a proprietary power supply that is not feasible or cheap to replace.

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