For consumers, AMD is announcing today what this increased cache version of Ryzen looks like. At the Data Center event last year in November, AMD announced the version that would go into servers, and called it Milan X. The cores are not covered for thermal reasons – the cores are where the power is used, and so thermal spaces are placed on top to make the top of the combined chip fully flat.ĪMD stated last year that it would be manufacturing consumer and enterprise versions of this increased cache in 2021 for launch in 2022. The extra 64 MB of 元 cache chiplet is manufactured on a version of TSMC 7nm that is optimized for cache density, and so AMD has placed 64 MB on top of 32 MB directly. This extra stacked chiplet is only 36 mm 2, and sits directly above the cache already on the chip, so it does not cover the cores. The main 8-core chiplet, built on TSMC 7nm, measures 82 mm 2. Stacking chips is difficult, and AMD has been working with TSMC to productize this advanced packaging technique. This V-Cache concept took one of the standard 8 core chiplets from the Ryzen 5000 series, which already had 32 MB of 元 cache, and stacked on top of it another 64 MB of 元 cache, giving a total of 96 MB. Last year AMD announced that it had been working on stacked onboard memory in the form of cache. Beyond this there’s the main DDR memory, which is super big, but super slow in comparison – main memory is 100x slower to access, but can hold a lot more data. Now with V-Cache! One Sole CPU: Ryzen 7 5800X3DĮvery CPU has levels of internal memory, known as cache, which starts as a bank of ‘Level 1’ fast but small memory, rising up to a ‘Level 2’ medium-sized medium speed memory, and then a ‘Level 3’ larger sized slower memory. This time around AMD steps up to the plate to talk about its new V-Cache CPU coming soon, and its new Zen 4 platform coming in the second half of the year. A company that’s able to present its 12-month portfolio comes across as confident in its ability to deliver, and it also gets the rest of us salivating at the prospect of next-generation hardware. One of the things I look forward to every year is whether the major companies I write about are prepared to showcase their upcoming products in advance – because the year starts with the annual CES trade show, this is the perfect place.
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