Image: AMD

Being that it costs only $20 more than its little brother, AMD’s $120 Ryzen 3 3300X processor is already a no-brainer for system builders on a budget, but here’s another reason to spring for the higher-ended, Zen 2-based quad core chip. According to slides shared by Tech Blaze and hardwareLUXX (via @KOMACHI_ENSAKA and VideoCardz), the 3300X uses a different, better CCX/CCD topology that ensures superior performance.

Like other Zen 2 processors, both of the new Ryzen 3 processors comprise dual CCDs (Core Compute Dies) and up to four CCXs (Core Compute Complex). Both have only one CCD enabled, but while the 3100 splits its four cores between two CCXs with 8 MB of LE cache each, the 3300X’s cores are kept to one CCX, maxing out the cluster with 16 MB of LE cache. The result is lower latency.

“The Ryzen 3 3100 is the slower of the two in terms of clock speed and divides the four cores evenly between the two CCX clusters,” wrote hardwareLUXX. “Merging into a CCX should result in better core-to-core latencies, which improves overall performance. With the Ryzen 3 3100, data has to be divided into two L3 cache areas of 8 MB each, which slows down mutual access to the corresponding data. The higher clock rate of the Ryzen 3 3300X should be another factor.”

According to AMD’s press release, the Ryzen 3 3300X and Ryzen 3 3100 will be available in May 2020 for $120 and $99, respectively. B550 motherboards are debuting a little later, on June 16, 2020.

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